WO2011092365A1

WO2011092365A1 - Rotary engine working with alternative fuels

Info

Publication number: WO2011092365A1
Application number: PCT/ES2011/070054
Authority: WO
Inventors: Jesus Manuel DIAZ ESCAÑO
Original assignee: Diaz Escano Jesus Manuel
Priority date: 2010-02-01
Filing date: 2011-01-28
Publication date: 2011-08-04
Also published as: ES2387374B1; ES2387374A1

Abstract

The invention relates to a rotary engine (1) that operates with alternative fuels, has one or more rotors (5), is somewhat similar to the Wankel engine and is designed to work using vegetable oil and water as fuel. The invention comprises: a stator (2), one or more rotors (5), an intake pipe (14), an exhaust pipe (15), and an original starting system, as well as an auxiliary pre-combustion chamber (27), an overpressure safety valve (16), a glow plug (18), a vegetable oil injector (19), a water injector (20), a special coating or a coating made from a special material (21) and (22) and all of the characteristic systems, mechanisms and parts, with the exception of the carburettor, contact breaker and spark plugs. In addition, the invention includes two separate fuel tanks and two separate injection systems. During operation, the engine (1) can break the bonds of water molecule atoms (electrolytic dissociation) and include a specific saponification hydrolysis reaction.

Description

ROTATING MOTOR USING FOR FUEL OPERATION

ALTERNATIVES

D E S C R I P C I Ó N

The object of the present invention refers, as its title indicates, to a rotary internal combustion engine that uses alternative fuels for its operation, of the type of engines with a certain analogy to the Wankel engine, but with certain technical differences that distance it from it. , for example; they do not have carburetor, ignition breaker, or spark plugs that produce spark, in addition to other technical differences, designed so that its operation is carried out using as fuels, vegetable oil and water (alternative or renewable fuels), and particularly refers to a procedure paramount to dissociate hydrogen from water (electrolytic dissociation of the water molecule), encompassing said procedure a peculiar chemical reaction, such as hydrolysis of water with esters of vegetable oil, and linking said procedure to the operation of the proposed engine . Accordingly, the present invention is in the field of the internal combustion rotary engine technique, which uses biofuels for its operation, that is, alternative or renewable fuels of petroleum-derived fossil fuels (gasoline and diesel) that are used nowadays. Presenting the aforementioned invention, important economic and environmental advantages over the currently existing internal combustion rotary engines.

Currently, different types of internal combustion rotary engines are known that use alternative fuels for their operation, and which are generally the same engines that work equally with fossil fuels derived from petroleum (gasoline), and which can also use Ethanol for their operation, also known as Bioethanol or Bioalcohol and that can work in these engines as a single fuel (if they are specifically designed for this biofuel) or by mixing it with gasoline. The engines mentioned above with the necessary conditioning can also use hydrogen as an alternative fuel.

One of the main disadvantages of the current internal combustion rotary engines that use these Biofuels, is that they are not economically profitable enough compared to those that use fossil fuels, and this is because the production of said Biofuels requires a successive series of treatments in specialized plants that are not entirely cheap, with what the final price in the market, for the consumer, it is expensive. The advantage of the rotary engine of the present invention is that it can use in its combustion time scales or approximate rates between 1% to 50% less fuel (from vegetable oil) than the rest of the current rotary engines, providing the rest of the energy necessary for competitive efficiency, the volume of water, which may be in a scale or approximate index between 1% to 50% of the mixture that is used together with the vegetable oil in the combustion thereof. And obviously, a liter of desalinated water is much cheaper than a liter of any other biofuel or fossil fuels. Although the environmental advantages of this type of rotary internal combustion engines, which use Ethanol or Hydrogen, are important and evident, this is not the case with the possible economic advantages for users, since both the production of Ethanol or Hydrogen is expensive, due to the different treatments to obtain them, and therefore, the cost or price of these fuels in the market, for the user, are generally higher than the prices of fossil fuels (Petrol).

It would be desirable, therefore, to have a rotary internal combustion engine, which could use another or other types of Biofuels for its operation, which were cheaper for the user, and that also respect the environment, such as using oil together vegetable and water, object of the rotary engine that is desired to be developed in the present invention.

Vegetable oil comes from a renewable source and, contributes to improve the environment, since it prevents global warming, because the C0 ₂ (Carbon dioxide) that is generated in its combustion, will then be absorbed by the plantations that are used to produce vegetable oil, since as we know, plants absorb C0 ₂ to be able to carry out photosynthesis and thus develop. Therefore we reach a closed cycle, where the C0 ₂ generated by the combustion of vegetable oil is reduced to practically zero when absorbed by the plantations from which we obtain the vegetable oil, also due to these plantations it contributes to develop agriculture . Another important advantage of vegetable oil and water as fuels is that no new infrastructure would be needed to commercialize them, since the same gas stations and machines could be used to dispense the existing fuel in them. The water to be used in this type of engine that you want to propose, would also be economical compared to the Biofuels and fossil fuels used currently. The idea would be, not to use the fresh water we consume in our homes, if not, use desalinated water, collecting seas and oceans. The cost of the cubic meter of desalinated water is currently approximately 0.60 Euros, and the cubic meter could cost one Euro, due to the successive increase in the price of oil. However, even at 1 Euro per cubic meter, it is still very economical to use as fuel, since a liter of desalinated water would cost, 0.001 Euros. It would be necessary to ask, if using the water of the seas and oceans as fuel, is sustainable and if it would somehow affect our planet, the answer is clear, it is perfectly sustainable and would not affect the least of our planet. Since doing a minimum calculation we get the answer; Global oil consumption can currently be at 845,910 Millions of liters per year. If used exclusively throughout the world, vegetable oil and water as fuel, and provided that the consumption of water in the mixture of the engine of the present invention, can be carried out in an approximate scale between 1% to 50% (depending on the characteristics and configuration of the engine), the annual water consumption for 20% for example, would be about 169,182 Million liters. Since three-quarters of the surface of our planet is water, the thickness of the surface layer or film of water that would be consumed per year over the entire surface of the globe would be 0.0001 1 millimeters, in 1000 years a thickness of water layer of 0.1 1 millimeters would be consumed, approximately one tenth of a millimeter in a thousand years, so, as we can see, water along with vegetable oil can be a sustainable and renewable Biofuel, and the possible consumption of water, it would not affect our planet in the least, since the thickness of the water layer would be infinitely small, which could be consumed throughout the globe, over a long period of time. As we can assume, and after all that has been said, a Rotating Internal Combustion Engine that uses vegetable oil and water for its operation, as it is proposed in the present invention, has very important economic, technical and environmental advantages, which must be be taken advantage of

However, currently existing internal combustion rotary engines, due to their own consistency, their structure, composition of their elements, configuration and way of operation, could not work in any way with these alternative fuels that we propose, such as using as biofuels together vegetable oil and water, in these engines.

In order to create a new Rotary Internal Combustion Engine that uses alternative biofuels for its operation, cheaper than existing ones, such as in this case, using vegetable oil and water together, the Rotary Internal Combustion Engine has been developed, object of the present invention.

A first object of the present invention relates in general to the development of new rotary engines of one plus rotors, of internal combustion, which use alternative fuels for their operation, of the type of engines with a certain analogy to the Wankel engine, but with certain technical differences that distance it from it, such as; they do not have carburetor, ignition breaker, or spark plugs, in addition to other technical differences that will be detailed later. The aforementioned internal combustion rotary engines, may be, either shared injection in an auxiliary pre-combustion chamber and in a lobe (or spaces delimited between the faces of the rotor, the inner hollow in the form of eight lying on the stator and side walls thereof ) corresponding to the compression time or phase, or direct injection into the lobe corresponding to the compression time or phase, when the engine does not have an auxiliary pre-combustion chamber. These differentiating qualities being, for which two embodiments are proposed by way of example in this invention, which we will describe later. But in all cases of these rotary engines, they all share some fundamental and particular common characteristics, which are that they will use as fuel for their operation, vegetable oil and water, and also share the same procedure in their operation, logically adapted to their respective configurations These engines are suitable, so that in their operation they primarily comprise a procedure for dissociating hydrogen from water (electrolytic dissociation of the water molecule) and also encompassing a peculiar reaction of hydrolysis of water with the esters of vegetable oil. The vegetable oil to be used may be either newly manufactured or recycled once it has been filtered and solid waste has been removed.

A second object of the present invention relates to the aforementioned procedure related to the operation of the proposed rotary engine, and which will be determined with the detailed description of the development and necessary steps to be followed in the process, so that with the operation of the engine , the dissociation of hydrogen from water (electrolytic dissociation of the water molecule) can be obtained primarily with this procedure, said dissociation of hydrogen being understood as a primary or primary chemical transformation or reaction, which is encompassed and chained with a peculiar chemical reaction of hydrolysis of the water with the esters of the vegetable oil, the aforementioned practically simultaneous chemical reactions taking place, and linked said chemical reactions and with it, the whole process itself, to the operation of the engine proposed in the present invention This procedure is characterized in that said dissociation of the hydrogen from the water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of the water with the esters of the vegetable oil are practically carried out simultaneously with their combustion. More specifically, the internal combustion rotary engine that uses alternative fuels for its operation, object of the present invention, refers in general to internal combustion engines, and in particular, according to a first embodiment of the present invention, refers to a new rotary internal combustion engine of one or more rotors, in which part of the fuel is injected into an auxiliary pre-combustion chamber and another part thereof in the lobe corresponding to the compression phase or time, said lobe being the space that delimits one of the faces of the rotor with the internal hollow of the stator in a certain position or positions, designed so that its operation is carried out using as fuels, vegetable oil and water. Not being necessary in this new engine the carburetor, the ignition breaker, or spark plugs that produce spark. With a certain analogy to the Wankel engine, it is mainly composed of; lubrication system, cooling system, some peculiar electrical and combustion systems, regulators for both the air inlet and the fuel inlet, inlet for the cooling and greasing oil, suction pump that collects the oil from the lubrication, a motor block or stator with its inner hollow in the form of eight of wide waist, lying down and limited by its lateral walls of both sides, and for each transverse partition of the stator hollow, comprises; a triangular rotor on whose faces, the surface of its indentations may be either parallel to the face of the rotor or parallel to the dummy plane that passes tangent to the face of the rotor and which contains the straight line that divides the face transversely into two equal parts , said rotor incorporates its vertices segments and its lateral segments, also has a cogwheel that rolls and gears on an internal fixed pinion, this pinion being integral with the stator, a motor shaft whose eccentric is housed in the inner hollow of the rotor , adjusting between the eccentric and the inner surface of the rotor, a quadruple roller bearing for the eccentric articulation, ball and roller bearings for the attachment of the motor shaft to the stator, flywheel, counterweight to balance the rotor movement , inlet and outlet in the cooling water stator, stator cavities for cooling water circulation, a conduc to intake, an exhaust duct, a peculiar safety valve against excessive pressures, safety valve conduit, and a robust glow plug positioned in the auxiliary pre-combustion chamber, also comprises; a particular start-up system for starting the engine, some peculiar electrical and combustion systems, the aforementioned auxiliary pre-combustion chamber located at the top of the stator and communicated through a nozzle to the lobe corresponding to the compression phase and where the combustion expansion will begin, special injector for vegetable oil, and special injector for water, both located in the auxiliary precombustion chamber, special coating or made of special surface material that delimits the internal hollow in the form of eight of the stator and side walls thereof, special coating or made of special material of some essential elements that make up said motor, such as, the three faces of the rotor and its indentations, the intake duct, the duct Exhaust, as well as the auxiliary precombustion chamber and its nozzle, also includes two independent fuel tanks (one for vegetable oil and one for water), two independent injection systems (one for vegetable oil and one for water), as well as in its operation it presents certain advances to the injection (one for vegetable oil and another for water). Suitable Engine, so that primarily with its operation it includes and encompasses a procedure to dissociate hydrogen from water (electrolytic dissociation of the water molecule) and thus, the bonds of the atoms of the water molecules can be broken, being able to dissociate or fragment said molecule, on the one hand as a hydrogen atom or proton H ⁺ , positively charged and being dissociated or loose with respect to the oxygen atom, and on the other hand it is fragmented as hydroxyl ions OH ^" , negatively charged, also comprising said process a peculiar chemical reaction of hydrolysis of water with esters of vegetable oil, such that the ester molecules dissociate into two fragments, one of which reacts with the H ⁺ (hydrogen) atoms or protons of the dissociated water molecule to form carboxylic acid, and the other does it with the hydroxyl ions OH ^" to form alcohol, producing the aforementioned reactions. chemical chemistry practically simultaneous, and linked said chemical reactions and with it the whole process itself, to the operation of the engine proposed in the present invention. Determined said procedure, because said dissociation of hydrogen from water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of water with the esters of vegetable oil are practically simultaneous to their combustion.

The combustion system, which uses the internal combustion and shared injection rotary engine in an auxiliary precombustion chamber and in the lobe corresponding to the compression phase, designed so that its operation is carried out using as fuels, vegetable oil and water, essentially understands; for each transverse partition of the stator hollow, of a rotor, auxiliary precombustion chamber attached to the lobe corresponding to the compression phase and where the combustion expansion will begin, nozzle that joins the auxiliary chamber with lobe, motor shaft with its eccentric , glow plug, air filter, intake manifold, and exhaust manifold. Not being necessary in this new engine the carburetor, ignition breaker, or spark-producing spark plugs, mainly this combustion system, in which the engine of the present invention uses two or more special injectors for each division of the internal stator gap (or by number of rotors containing the engine), and at least one for vegetable oil, and one for water, which inject fuel alternately in the auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, manufactured said chambers, rotor faces and surface of the interior stator hollow, of special material or with a special coating. With the injection of vegetable oil first, in an approximate proportion or scale with respect to the total injected volume of vegetable oil plus water, between 50% and 99% in volume injected in each combustion, at the time or phase of minimum compression, and then the water injection will be done in an approximate proportion or scale between 50% and 1% in volume injected in each combustion, in the time or phase of almost maximum compression. These proportions can be varied by the desired percentages, as long as the combustion is carried out effectively. The sum of the volume of vegetable oil plus water injected in a combustion in the engine of the present invention, will be similar or equal to the volume of fuel that is supplied at the time of admission in the current rotary engines in one of its combustions, logically attending to the parameters of power and speed of rotation of the motor, similar for both engines

The electrical system, which uses the internal combustion and shared injection rotary engine in an auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, designed so that its operation is carried out using fuels, vegetable oil and water, essentially understands; battery, starter motor, electric injection systems, motor shaft with its eccentric, alternator, electric pump submerged in the vegetable oil tank and connected to the vegetable oil injection system for priming fuel at the engine start and several units of electronic control, comprising at least a first electronic control unit, that controls and regulates the synchronization of the multipoint injection of vegetable oil, in each of auxiliary pre-combustion chambers and corresponding lobe, being able to govern the injectors so that the injection of Vegetable oil is made in the time or phase of minimum compression, at the right time and frequencies necessary, depending on the speed of rotation of the engine, having the necessary sensors and probes, located in the places that are needed, such as , on the motor axis, as well as the actuators or activators necessary for this function, or the incorporation of and any other device that is necessary, and a second electronic control unit, similar to the first, that controls and regulates the synchronization of the multipoint water injection, being able to govern the injectors so that the sequential injection in each of the auxiliary pre-combustion chambers and corresponding lobe is carried out in the time or phase of maximum compression, at the right time and frequencies necessary, depending on the speed of rotation of the motor, having the necessary sensors and probes and also located on the motor axis, as well as the actuators or activators necessary for this function, or the incorporation of any other device that was necessary. Also with respect to the probes and situations or positions of their terminal sensors on the motor shaft, valid to establish the moments of injection of vegetable oil or water, their positions can be determined, due to the transmission ratio of the fixed pinion and the rotor sprocket, so that the drive shaft turns three times while the rotor takes one, this means that at each turn of the drive shaft, at a given time and position, one of the rotor faces will be positioned in the lobe where the time of almost minimal compression will occur (at which time the vegetable oil will be injected), and in another certain position of the motor shaft on that same turn, the said face of the rotor will be positioned in the lobe where the time of production will occur almost maximum compression (when the water will be injected). And so repeatedly on the next two other faces of the rotor. Therefore, the positions where the probes with their respective sensors in relation to the motor axis can be determined, in order to determine the successive times and times in which the respective injections, both of vegetable oil and water, will be applied.

The safety valve against excessive pressures, located in the upper part of the stator and located in the lobe where the time or phase of maximum compression of the internal combustion rotary engine will be produced, designed so that its operation is carried out using as fuels, vegetable oil and water, it will be used in those cases that are necessary, for example, when the special coating applied to some essential elements that make up said engine, such as, the auxiliary pre-combustion chamber and its nozzle, said coating did not resist excessive pressure in the time of maximum compression of the engine, due to its own characteristics or physical properties. Therefore, by lowering the pressure through said valve, said special coatings could be used without difficulty. Likewise, the safety valve against excessive pressures will also be used, in those cases of said engine, in which the excessive pressure in the time of maximum compression of the engine, causes a notable increase in the temperature of the sucked air, and consequently the elevation of temperature in the auxiliary pre-combustion chamber where appropriate and in the lobe where the maximum compression time or phase will occur, as well as the excessive temperature rise of the injected vegetable oil. In this case, the safety valve, will avoid excessive pressure that causes an excessive increase in the temperature of the injected vegetable oil, thus achieving that the temperature of the injected vegetable oil is lower than its auto-ignition temperature (minimum temperature for a product burns spontaneously). This is necessary, to make the mixture with the water that will be injected later. The safety valve against excessive pressures, consists of a device comprising, a conduit made in the upper part of the stator, which communicates at one of its ends with the lobe where the time or phase of maximum compression of the engine will occur and by the other end communicates with the engine exhaust duct through a sleeve. In the part closest to the lobe where the time or phase of maximum compression will occur, in said conduit that is part of the stator, a metal piece is located whose shape is defined by a small sphere and a small cylinder that are centrally intercepted, this that is, the axis of the cylinder parallel to its generatrices intercepts the sphere at its center, the diameter of the sphere being greater than the diameter of the cylinder. Said piece sits on its spherical part on a seat located in the aforementioned duct, keeping in this part the closed duct, since said piece is pressed by a spring or spring that sits on the spherical surface of said metallic piece and that its inner diameter is tangent (with some clearance) to the cylinder of the spherical-cylindrical part, the spring being at its other end pressed by a screw with a tubular shape, that is, that inside this hollow, said screw having a seat for the spring, thread to be screwed to the stator, and nozzle or mouth to connect with sleeve or tube that communicates with the exhaust duct. In this way, the safety valve for excessive pressures is constituted, when the pressure in the lobe where the maximum compression time or phase will occur is propagated from a predetermined value, the spherical-cylindrical part will rise from its seat, leaving the duct open of communication between said lobe and the exhaust duct, and therefore allowing a flow of compressed air to pass through said duct, from the lobe containing the maximum pressure to the exhaust duct, in order to maintain the necessary and required pressure in the lobe and auxiliary pre-combustion chamber where appropriate. In those cases of design of the present engine where the pressure in the lobe where the maximum compression time or phase will occur does not exceed the predetermined pressure, said safety valve will not be necessary.

The glow plug or glow plugs or heating plugs in the internal combustion rotary engine, which are operated using fuels, vegetable oil and water, may be located in the stator and located depending on the case, either in the auxiliary pre-combustion chambers , or distributed perimeter around the stator in the if there are no auxiliary pre-combustion chambers in the engine, they will be of the type of glow plugs similar to those used in diesel engines, which, as we know, are part of the start-up system for starting the engine, driving when an electrical circuit is closed by positioning the start-up switch in its heating position. The operation of said spark plug is simple, it is about passing electric current through an electrical resistance located in said spark plug, the resistance is heated, becoming incandescent and giving off a lot of heat, thus heating the auxiliary pre-combustion chamber and lobe or lobes (limited spaces between the inner hollow of the stator and rotor faces), the air and the vegetable oil that is deposited in the auxiliary chambers and lobes. The electrical resistance of this spark plug or spark plugs, intended for the engine of the present invention, will be robust enough to raise the temperature of the air and vegetable oil deposited in the auxiliary pre-combustion chamber and lobe at the time of warm-up for starting of the engine, at a temperature of approximately 210 ⁵ C. If necessary, in each auxiliary chamber and lobe of the engine of the present invention, more than one glow plug can be placed.

The start-up system for starting the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, mainly comprises several aspects to be detailed in its operation, and which are described below; when the start-up switch is operated in its first position (heating position), in addition to closing the electrical circuits that supply the electrical energy to the glow plugs and fuel heaters, a third circuit is then activated at a certain time electric regulated by a timer clock, which activates an electric fuel priming pump, positioned and submerged in the vegetable oil tank, and communicating through some ducts with the accumulator collector (or injection ramp) of the oil injection system plant, allowing said manifold a sufficient pressure so that the injectors (electrically activated) through the holes or diffusers of its nozzle can make one or several simultaneous injections in the different auxiliary pre-combustion chambers and lobes where time or phase will occur of minimum compression, or said injections are made di rightly in the aforementioned lobes in the event that there were no auxiliary pre-combustion chambers, all during the glow plug heating time, without the need for the starter motor to be operated, and consequently without having acted a high pressure injection pump. A fourth electrical circuit activated simultaneously and in the same way as the third, will activate the injectors, so that they simultaneously inject vegetable oil. The needle that closes and opens the nozzle of the Injector, will be lifted by electromagnetism, hence the existence of this fourth circuit, therefore the electromagnets of the injectors for vegetable oil, may be activated by the circuit mentioned above, as well as when this circuit is deactivated, they may be activated by another circuit which governs an electronic unit. It will be preferable in the warm-up time, a long time injection (of vegetable oil), quickly activated at the beginning of the heating, than several alternate injections, for this, there will be available in this fourth electrical circuit, an automatic switch or timer that disconnects after a certain time, said circuit, of the electricity supplied by the battery. Said switch may be of any type existing on the market such as watches or timers that can meet the desired requirements. Thus, when the start-up switch is operated in its second position (starting position), three of the four previous circuits are disconnected, only the glow plug circuit being connected, and in turn connecting three other circuits , one of them governs the synchronized and sequential injection of the injectors for vegetable oil through an electronic unit, another governs the synchronized and sequential injection of the injectors for water through another electronic unit, and the third circuit will start the Starter motor, and with this, high pressure pumps (one for vegetable oil and one for water, in the event that these pumps are not electric), the motor shaft, flywheel, etc. will be operated. In these circumstances, and with a rich volume of vegetable oil in each of the auxiliary pre-combustion chambers, and where appropriate in each lobe where the minimum compression time or phase will occur, the aspirated air and the injected vegetable oil will have heated through the glow plugs at a temperature between 160 ^Q centigrade and 210 ⁵ C, and warming even more when one of the rotor faces is in the lobe where the maximum compression time or phase will occur, the oil must arrive vegetable to be heated at least to a "critical temperature" (which we will explain later), approximately between 160 degrees Celsius and 210 ⁵ C. depending on the type of vegetable oil we use. Then, when water is injected into the auxiliary pre-combustion chamber and in the lobe where the maximum compression time or phase will occur, or in that case only in said lobe (if there is no auxiliary pre-combustion chamber), the entire mixture is ignited, burning spontaneously, and thus getting the engine started. Once the rotary engine of the present invention has been started, the starter motor circuit, as well as the glow plug circuit, will automatically disconnect.

The special injector for vegetable oil, of the internal combustion rotary engine, whose operation is performed using vegetable oil and water as fuels, will preferably be of the type of injectors used in electronic engine injection Diesel, such as the type of injectors that use electromagnetic valves and injection control chambers to be activated, or the type of those that are activated by a piezoelectric element, but for engines of this invention, equivalent in power to Current rotary engines, include some special features, which consist in that in its nozzle the holes or diffusers of the outlet nozzle through which the vegetable oil leaves from the injector, will be of a diameter or diameters, whose dimension will be different from those of injectors that are currently used, the injection needle that sits on the nozzle, will have at its tip an angle of conicity different from that of the needles of the current injectors, and also the inner wall of the nozzle near the tip of the injection needle will have a different taper angle than in the case of current injectors, also the injection time of these injectors governed by the electronic control unit, will be different from the one used by the current injectors, so that the volume of fuel (of vegetable oil) in the injection made in any phase of revolutions of the engine of the present invention, will be done in an approximate proportion or scale between 50% to 99%, with respect to the volume of fuel that the gasoline rotary engine will use in one of its aspirations at its admission time, or with respect to the sum of the total volume of the mixture (from vegetable oil plus water). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible. The special water injector of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, will preferably be of the type of injectors used in electronic injection for diesel engines, such as the type of injectors that use electromagnetic valves and injection control chambers to be activated, or of the type that are activated by a piezoelectric element, but that for motors of this invention, equivalent in power to current rotary engines, comprise some special features, which consist in that in its nozzle the holes or diffusers of the outlet nozzle where the water comes from the injector, will be of a diameter or diameters, whose dimension will be different from that of the current injectors, the injection needle that sits at the nozzle, it will have at its tip an angle of conicity different from the needles of the injectors In this case, and also the inner wall of the nozzle near the tip of the injection needle will have a different taper angle than in the case of current injectors, also the injection time of these injectors governed by the control unit electronic, will be different from that used by the current injectors, so that the volume of fuel (of water) in the injection made in any phase of revolutions of the engine of the present invention, will be made in an approximate proportion or scale between a 1% to 50%, with respect to volume of fuel that the gasoline rotary engine will use in one of its aspirations at its admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible.

The special or manufactured coating of special material, of the surface that delimits the inner hollow in the form of eight of the stator and side walls thereof, may be made either by molding or manufacturing the motor block or stator with a certain material, or subsequently providing to said surface of a special coating. A first embodiment of said surface will be that the stator and side walls of the motor will be molded or made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron , carbon and nickel.

A second embodiment will be that the stator and side walls of the motor can be manufactured or molded with cast material, and subsequently a nickel coating will be incorporated into the interior surfaces.

In a third embodiment, it will be that the stator and side walls of the motor can be manufactured or molded with cast iron material, and subsequently to the interior surfaces a ceramic coating or a vitrified or vitro-ceramic enamel will be incorporated.

However, with respect to the inner surface of the stator and side walls thereof, the stator and side walls, for example, can be defined, for example; of any foundry or aluminum material, and subsequently coated with any material that, through the practice of trial and error in the laboratory, achieves optimal results, both mechanical, and high resistance to friction, as well as resistance to temperature, etc. , also allowing said materials, that the chemical reactions that occur between vegetable oil and water, help and do not hinder combustion.

The special or manufactured coating of special material of some essential elements that make up said internal combustion rotary engine, whose operation is performed using vegetable oil and water as fuels, consists of a first embodiment where, the three faces of the rotor and its slits, the intake duct, the exhaust duct, as well as the auxiliary pre-combustion chamber where appropriate and its nozzle, they will be made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel.

The special or manufactured coating of special material of some essential elements that make up the engine of the present invention, consists of a second embodiment where, the three faces of the rotor and its grooves, the intake duct, the exhaust duct, as well As the auxiliary precombustion chamber, where appropriate, and its nozzle, they can be made of steel with a nickel coating. The special coating or manufactured of special material of some essential elements that make up the engine of the present invention, consists of a third embodiment where, the three faces of the rotor and its grooves, the intake duct, the exhaust duct, as well As the auxiliary precombustion chamber and its nozzle, they can be made of aluminum or steel with a special coating of several layers of polytetrafluoroethylene.

The special coating or manufactured of special material of some essential elements that make up the engine of the present invention, consists of a fourth embodiment where, the three faces of the rotor and its grooves, the intake duct, the exhaust duct, as well As the auxiliary precombustion chamber, where appropriate, and its nozzle, they can be made of steel with a ceramic coating or vitrified or Vitroceramic enamel.

However, the special or manufactured coating of special material of some essential elements that make up the rotary engine of the present invention, such as the three faces of the rotor and its grooves, the intake duct, the exhaust duct, as well as the auxiliary precombustion chamber, where appropriate, and its nozzle, may be manufactured, for example; of any foundry and coating material, of any material that, through the practice of trial and error in the laboratory, achieves optimal results, both mechanical, as well as resistance to temperature, etc., also allowing such materials, that chemical reactions that occur between vegetable oil and water, help and do not hinder combustion.

One of the very particular characteristics of the present invention, of the internal combustion rotary engine that is operated using oil as fuel vegetable and water, is that it comprises two independent tanks for fuel, one for vegetable oil and one for water.

Another of the very particular characteristics of the present invention, of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, consists in that it comprises two independent injection systems, one for vegetable oil and one for water.

The injection system for vegetable oil, of the rotary engine of the present invention, will be similar to those existing and known for diesel engines, with some differences, it comprises; electric priming pump submerged in the vegetable oil tank provided with a prefilter, high pressure pump moved by any transmission mechanism with the motor shaft installed, or instead, a high pressure electric pump, regulator of high pressure, electronic control unit with connection strip for sensors and connection strip for actuators or activators, accumulator manifold (also called injection ramp), pressure sensor, conduits for the distribution of vegetable oil that may be; low pressure suction, high pressure supply, and return, filter for vegetable oil, conductors and electrical circuits for sensors and actuators, special injectors for vegetable oil (defined above), being able to also include in said system, a heater of fuel or more than one, so that the vegetable oil already enters the hot engine at a certain temperature, approximately between 70 ⁵ Celsius and 80 ⁵ C. (essential for starting the engine, and especially for cold weather zones ) and a fuel radiator or cooler, for the fuel that returns to the tank. Differentiating from the current injection systems, because they will use the special injectors for vegetable oil, also the injection time that governs the electronic control unit will be different from that used by the current injectors, so that the volume of fuel (of vegetable oil) in the injection made in any phase of revolutions of the engine of the present invention, it will be made in an approximate proportion or scale between 50% to 99%, with respect to the volume of fuel that the gasoline rotary engine will use ( equivalent in mechanical power) in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). Also being able to perform injections of vegetable oil volumes, whose percentages are somewhat lower than said, provided that the combustion of the mixture is carried out effectively. The water injection system of the rotary engine of the present invention will be similar to those existing and known for diesel engines, with some differences, it comprises; water tank equipped with pre-filter, high pressure pump (which may be optional for installation in the system, depending on whether the water supply for injections is made through a high-pressure electric pump or not), carried by any mechanism of transmission with the motor shaft to be installed, high pressure regulator, electronic control unit with connection strip for sensors and connection strip for actuators or activators, accumulator manifold (or injection ramp), pressure sensor, conduits for water distribution that may be; low pressure suction, high pressure supply, and return, conductors and electrical circuits for sensors and actuators, special injectors for water (defined above), being able to also include in said system, a fuel heater or more than one, in order that the water already enters the hot engine (fundamental for cold areas), and a radiator or fuel cooler, for the water that returns to the tank. Differentiating from the current injection systems, because they will use the special injectors for water, also the injection time that governs the electronic control unit, will be different and smaller than that used by the current injectors, so that in this system of injection, the volume of fuel (of water) in the injection made in any phase of revolutions of the engine of the present invention, can be done in an approximate proportion or scale between 1% to 50%, with respect to the volume of fuel that will be used by the rotary gasoline engine (equivalent in mechanical power) in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (vegetable oil plus water). Also being able to perform injections of water volumes, whose percentages are somewhat higher than said, as long as the combustion of the mixture is carried out effectively.

The advance to the injection. Since the rotary engine of the present invention of internal combustion, its operation is carried out using as fuel vegetable oil and water. And that as we have seen for its operation, it includes and uses certain chemical reactions (electrolysis and hydrolysis) activated and derived from the mixture between vegetable oil, water and air, under certain environmental conditions, such as the surface of the enclosure where the mixture and the surrounding temperature take place, and ending the aforementioned chemical reactions with the combustion of the mixture. Therefore, it is necessary to take into account in this new rotary engine that is proposed, to anticipate the advance to the injection, paying special attention to the ignition of the mixture (air, vegetable oil and water), which in the present invention engine is manifestly fused with the advance to the injection, both to the advance of the vegetable oil injection and to the advance of the water injection. Consisting of these advances, in which the necessary time parameters in which the chemical reactions are obtained must be foreseen and measured, as well as the propagation and inflammation time of the total combustion mixture. Since the combustion of the entire mixture, in fact it is not done instantaneously, if it is progressively inflamed, it is true that it will be done very quickly, but with a minimum delay, to all this, the injection times must be added of vegetable oil and water, governed by the electronic control units (both connected to their respective probes and sensors, which will determine the position of the drive shaft at a given time and therefore the position of the rotor), which will provide the advance for advance the injection of vegetable oil at the time and advance to advance the injection of water at the time, so that the combustion of the mixture occurs without delay, and providing that all the expansion force of the combustion is applied successively and alternately on each of the three faces of the rotor. Said advances will be made proportionally to the speed of rotation of the motor, so that said advances will be much greater, the faster the motor of the present invention rotates.

Thus, according to this first embodiment of the present invention of the internal combustion rotary engine, shared injection in an auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, designed so that its operation is performed using as fuels , vegetable oil and water, can be defined particularly in its operation, because its progress to the injection, is that the injection of vegetable oil, is performed in a shared way in a special auxiliary pre-combustion chamber and in the lobe corresponding to the phase of compression, in the time of minimum compression, when one of the rotor faces is beginning the compression time, and the water injection is carried out in the said special auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase or time , just before the aforementioned rotor face is positioned in the maximum compression lobe. Depending on the position of the rotor face at the time of the water injection, at the advance of the water injection, and also depending on the position of the rotor face at the time of the oil injection, at the advance of the injection of the vegetable oil. These advances being so much greater, the faster the engine rotates. All this regulated by the two electronic control units of the injection systems (one for vegetable oil, and the other for water), which through their sensors and probes, as well as their actuators or activators, will determine the appropriate parameters at all times, for advances to the injection, both for vegetable oil and for water. Thus, according to this first embodiment of the present invention that is proposed, a new internal combustion rotary engine, shared injection is provided in an auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, designed for that its operation is carried out using fuels, vegetable oil and water, particularly defined in its operation, by the configuration of some of its times, phases and moments in which fuel injections (vegetable oil and water) occur. For a better understanding of the operation of this first embodiment of the present rotary engine, its different times are defined here, these progressively referred only to one of the rotor faces, with their respective and particular characteristics (phases, injection moments, etc.). It is to be understood how it is known that when the rotating motor is running, in the different lobes delimited by the rotor faces and inside the stator hollow, several times are occurring at the same time, but for a detailed study, we follow up here of the different times or phases of this engine with respect to one of the faces of the rotor, as already stated above.

At the time or phase of admission, air is first conducted through the intake duct to the intake lobe and then to the auxiliary pre-combustion chamber, while the rotor face (one of the three rotor faces chosen for this study) It moves away from the mouth or embrasure of the intake duct. Defining this engine in this phase or time of admission, because in it, the entry of fuel into the engine is not made.

In the compression time, this new rotary engine is defined, because when the (chosen) face of the rotor has exceeded the intake pocket and the air is beginning to be compressed, the vegetable oil will be injected in a shared way into the auxiliary chamber of pre-combustion and in the lobe corresponding to the phase of minimum compression on the face of the rotor, then when the face of the rotor has advanced until almost forming the lobe of maximum compression, the air and the vegetable oil deposited in the auxiliary chamber of pre-combustion and lobe , when they are compressed, they quickly heat up and increase their temperatures, reaching the vegetable oil a temperature between its "critical temperature" (between 160 ^QC and 210 ⁵ C, depending on the type of vegetable oil we use) and its "auto temperature -ignition "(minimum temperature for a product to spontaneously burn), but without reaching the latter, immediately after the water will be injected , also shared in the auxiliary pre-combustion chamber and in the lobe corresponding to the almost maximum compression phase. The safety valve against excessive pressure may be kept closed or momentarily open if the pressure in the Maximum compression lobe and auxiliary pre-combustion chamber will exceed predetermined pressure rates.

In the burning time, also called work, force, expansion etc. This new rotary engine can be defined in this phase, because when mixed in the previous phase of maximum compression, air, and vegetable oil with water in the expected percentages and required environmental and temperature conditions, the chemical reactions before said occur and defined (electrolysis and hydrolysis), obtaining almost simultaneously the combustion of the mixture, and all the expansive force due to the gases of the combustion concentrated in a minimum volume in the auxiliary pre-combustion chamber and lobe of maximum compression, is applied on the face of the rotor, pushing the rotor with great force and thus turning it, taking in its movement the development of combustion expansion.

In the time of escape or expulsion, the rotor with its rotary movement and one of its faces, will move the combustion gases and fumes towards the exhaust vent, thus causing said gases to escape through the exhaust duct, which will subsequently reach the exhaust pipe and its exit to the outside. As we see in this last phase, it seems that there are no differences with respect to the exhaust phase of other rotary engines, and this new engine can only be characterized in this phase in a remarkable way, because the exhaust gases, coming from organic alternative fuels and ecological (vegetable oil and water) are less polluting than gases from the combustion of fossil fuels (gasoline or diesel).

According to a second embodiment of the present invention, similar to the engine defined above, for a new rotary internal combustion engine, designed so that its operation is carried out using as fuels, vegetable oil and water, this second embodiment is particularly defined , because its fuel injections, both vegetable oil and water, are made directly in the lobe of the engine destined for compression time, without any auxiliary pre-combustion chamber. Therefore, unlike the first embodiment, the special injector for vegetable oil, the special injector for water, as well as the robust spark plug or glow plugs, will be located in the engine stator, placing the injectors in the lobe corresponding to the compression time and glow plugs located and distributed in addition to the compression lobe, the rest of the lobes belonging to the intake, combustion and exhaust times, and even in the air intake duct if necessary, all this in order to heat the engine for start-up, these being the most significant physical differences from the first embodiment of the rotary engine of the present invention. It consists mainly of; lubrication system, cooling system, some peculiar electrical and combustion systems, regulators for both the air inlet and the fuel inlet, inlet for the cooling and greasing oil, suction pump that collects the oil from the lubrication, a motor block or stator with its inner hollow in the form of eight of wide waist, lying down and limited by its lateral walls of both sides, and for each transverse partition of the stator hollow, comprises; a triangular rotor on whose faces, the surface of its indentations may be either parallel to the face of the rotor or parallel to the dummy plane that passes tangent to the face of the rotor and which contains the straight line that divides the face transversely into two equal parts , said rotor incorporates its vertices segments and its lateral segments, also has a cogwheel that rolls and gears on an internal fixed pinion, this pinion being integral with the stator, a motor shaft whose eccentric is housed in the inner hollow of the rotor , adjusting between the eccentric and the inner surface of the rotor, a quadruple roller bearing for the eccentric articulation, ball and roller bearings for the attachment of the motor shaft to the stator, flywheel, counterweight to balance the rotor movement , inlet and outlet in the cooling water stator, stator cavities for cooling water circulation, a conduit intake, an exhaust duct, a peculiar safety valve against excessive pressures, a safety valve conduit, and robust glow plugs strategically distributed along the contour of the stator, also includes; a particular start-up system for starting the engine, the peculiar electrical and combustion systems, special injector for vegetable oil, and special injector for water, both located in the lobe corresponding to the compression phase or time, special coating or made of special surface material that delimits the inner hollow in the form of eight of the stator and side walls thereof, special coating or made of special material of some essential elements that make up said motor, such as; The three faces of the rotor and its slits, the intake duct, and the exhaust duct, also comprise two independent fuel tanks (one for vegetable oil and one for water), two independent injection systems (one for vegetable oil and one for water), as well as in its operation it presents certain advances to the injection (one for vegetable oil and another for water). Suitable said Motor, so that primarily in its operation it comprises and encompasses a procedure to dissociate hydrogen from water (electrolytic dissociation of the water molecule) and encompasses a peculiar reaction of hydrolysis of water with the esters of vegetable oil, linked to said chemical reactions and with it the whole procedure itself, to the operation of the rotary engine proposed in the present invention. Once this procedure has been determined, because said dissociation of the hydrogen from the water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of the water with the esters of the vegetable oil are practically simultaneous to their combustion. The combustion system, which uses the internal combustion rotary engine in this second embodiment, is similar to the one used and defined in the first embodiment of this invention, with the exception that in this second embodiment, the injectors Special for vegetable oil and water, they inject directly into the engine lobe for compression time, without any auxiliary pre-combustion chamber.

All the systems and elements that are expressed below, which uses this second embodiment of the internal combustion rotary engine, designed so that its operation is carried out using as fuels, vegetable oil and water, such as; The lubrication, electrical, cooling, start-up, vegetable oil injection, and water injection systems, as well as the rotor, the safety valve against excessive pressures, glow plugs or heating plugs, the special oil injector Vegetable, as well as the special water injector, are the same systems and elements as defined above for the first embodiment of the engine of the present invention, and its equivalent operations for both embodiments of the proposed engine.

The different embodiments, of the special or manufactured coating of special material, of the surface that delimits the inner hollow in the form of eight of the stator and side walls thereof, as well as the special or manufactured coating of special material of some essential elements, as the three faces of the rotor and its grooves, the intake duct and the exhaust duct, are the same embodiments as defined above for the first embodiment of said engine. In this second embodiment of the internal combustion rotary engine, whose operation is carried out using as fuel vegetable oil and water, it also comprises two independent tanks for fuel, one for vegetable oil and one for water. It also includes two independent injection systems, one for vegetable oil and one for water. The advance to the injection in this second embodiment of the internal combustion engine that its operation is carried out using as fuels vegetable oil and water, is analogous to that expressed and defined above for the first embodiment, differing exclusively in that in this In case the injections, both of vegetable oil and water, are made directly in the lobe of the engine destined for the compression time, without any auxiliary pre-combustion chamber.

In this way, according to this second embodiment of the present invention that is proposed, a new rotary internal combustion engine is provided, whose injections are made directly in the lobe of the engine destined for the compression time, without any auxiliary chamber Pre-combustion, designed so that its operation is carried out using fuels, vegetable oil and water. In its operation, configuration of its times, phases and moments in which fuel injections (vegetable oil and water) occur, is similar to the first embodiment, but nonetheless for a better understanding of the operation of this second form of realization of the present engine, its different times are defined here, with their respective and particular characteristics (phases, injection moments, etc.).

At the time or phase of admission, the air is conducted through the intake duct to the intake lobe, while the rotor face (one of the three faces of the rotor chosen for this study) moves away from the mouth or embrasure of the intake duct Defining this engine in this phase or time of admission, because in it, the entry of fuel into the engine is not made. In compression time, this new rotary engine defines, because when the face

(chosen) of the rotor, it has exceeded the intake pocket and the air is beginning to be compressed, the vegetable oil will be injected into the lobe corresponding to the phase of minimum compression, on the face of the rotor, then when the face of the rotor has advanced to almost form the lobe of maximum compression, the air and the vegetable oil deposited in the lobe, when compressed they heat up and rapidly increase their temperatures, the vegetable oil reaching a temperature between its critical temperature and its self-ignition temperature, but without reaching the latter, immediately afterwards the water will be injected into the lobe corresponding to the phase of almost maximum compression. The safety valve against excessive pressure may be kept closed or momentarily open if the pressure in the maximum compression lobe exceeds the predetermined pressure indices. In the burning time, also called work, force, expansion etc. This new rotary engine can be defined in this phase, because when mixed in the previous phase of maximum compression, air, and vegetable oil with water in the expected percentages and required environmental and temperature conditions, the chemical reactions before said occur and defined (electrolysis and hydrolysis), obtaining almost simultaneously the combustion of the mixture, and all the expansive force due to the gases of the combustion concentrated in a minimum volume in the lobe of maximum compression, is applied on the face of the rotor, pushing the rotor with great force and thus turning it, taking in its movement the development of the combustion expansion.

In this way, the rotary engine of the present invention (for the two embodiments that we have defined), four-stroke internal combustion, either injection shared in an auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase , or direct injection into the lobe corresponding to the compression phase, that its operation is carried out using as fuel vegetable oil and water, offer the user and the community in general important economic and environmental advantages, compared to most engines of internal combustion that are currently used. In this way, the present invention is constituted, in its embodiments, components and components that compose it, not in any way intended to be in its embodiments, or elements that constitute them limiting its scope.

As indicated above, a second object of the present invention relates primarily to a process for dissociating hydrogen from water (electrolytic dissociation of the water molecule), said hydrogen dissociation being understood as a principal chemical transformation or reaction or primary, which is encompassed and chained with a peculiar chemical reaction of hydrolysis of water with esters of vegetable oil, the aforementioned practically simultaneous chemical reactions taking place, and linked said chemical reactions and with it, the whole process itself, to the operation of the engine proposed in the present invention. This procedure is characterized in that said dissociation of the hydrogen from the water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of the water with the esters of the vegetable oil are practically carried out simultaneously with their combustion.

Said procedure may be carried out in any place where the optimum and necessary conditions exist, and of course in the auxiliary precombustion chambers and lobes corresponding to the maximum compression time of the different embodiments of the rotary engine of the present invention.

Since the procedure to which we are referring, is actually a transformation or chemical reaction between two components (not counting the air), such as, vegetable oil and water, (which as we know are not soluble in each other) and that As in any chemical reaction, the materials in contact with the components to be reacted can also interact or react in said reaction, either positively to our expectations or negatively to our expectations. It will therefore be necessary, on the one hand, to provide through the practice of trial and error, the most appropriate materials to be used in the realization or manufacture of the auxiliary precombustion chamber, as well as the materials of the elements that will delimit the lobes of the motor (rotor faces and stator inside hole), places where the said chemical reaction will occur in the motor. And on the other hand, it will be necessary to know and specify for practice, certain specific properties of the components that will be part of the reaction (vegetable oil and water), as well as the detailed process to follow in the places where they will be produced the aforementioned chemical reactions within the engine, either a rotary injection engine shared in an auxiliary precombustion chamber and in the lobe corresponding to the compression phase, or direct injection into the lobe corresponding to the compression phase, in the same way the volumes of fuels injected with vegetable oil and water must be determined, and finally, the basic guidelines in which the above-mentioned chemical reactions, within the rotary engine of the present invention, all of this, must be determined in order to obtain the expected result, that is, as a primary objective, the dissociation of hydrogen from water (electrolytic dissociation), and encompassing A peculiar chemical reaction of hydrolysis of water with esters of vegetable oil. So that these reactions are carried out practically simultaneous to their combustion. Accordingly, said procedure comprises the following steps: a) The determination, by means of trial and error, of the most suitable materials to be used in the realization and manufacture of the auxiliary precombustion chamber where appropriate, as well as the most suitable materials to realize the elements that will delimit the lobes of the motor (faces of the rotor and internal hollow of the stator), places where the aforementioned chemical reaction will occur in the motor. Being able, for example, to make or manufacture said chambers, rotor and its three faces and inside the stator hollow, with the following materials:

stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel,

of steel with a nickel coating.

of aluminum or steel with a special coating of several layers of Polytetrafluoroethylene, with the exception of the interior stator hollow that it will not be advisable to carry the Polytetrafluoroethylene coating.

- Steel with a ceramic coating or vitrified enamel or Vitro-ceramic.

of any other material that, through the practice of trial and error in laboratory experimentation, plausible results have been obtained with respect to the desired reaction. Being able to use these materials interchangeably, in the different parts before said of the engine, without having to be the materials used exclusively of a single type. b) The determination of the specific properties of the components that will be part of the reaction (vegetable oil and water), such as the different temperatures reached by the components and derivatives in the reaction, necessary for the practice and understanding of the procedure, as they are:

each of the "critical temperatures" of the different vegetable oils that we could use, from which, the heated vegetable oils begin to smoke and decompose. This critical temperature of the vegetable oil would be necessary, because from it and at higher temperatures, when spraying water or water vapor on the vegetable oil in a suitable environment (auxiliary precombustion chamber in its case or lobe of maximum compression, of the engine of the present invention), the desired primary or primary reaction will take place, that is, the dissociation of hydrogen from water, said dissociation being understood, as a primary or primary chemical transformation or reaction, which is encompassed and chained with a peculiar chemical hydrolysis reaction of the water with the esters of the vegetable oil, such that said dissociation of the hydrogen from the water, as well as the reaction Water hydrolysis chemistry with esters of vegetable oil are practically carried out simultaneously with their combustion. Said "critical temperatures" for the different vegetable oils will be approximately;

for olive oil 210 degrees Celsius.

* for sunflower and soybean oil 170 ⁵ C.

for rapeseed and corn oil 160 ⁵ C.

The auto-ignition temperature (minimum temperature for a product to spontaneously burn) of the vegetable oil, depending on the type of oil will be approximately between 528 ⁵ C. and 620 ⁵ centigrade.

Since the water molecules are formed by H ₂ 0, that is, two atoms of Hydrogen and one of Oxygen, and that water is a primary component of the reaction, when dissociating hydrogen, it will also be interesting to know;

The hydrogen auto-ignition temperature, which is around 580 ⁵ C.

Given also that the hydrolysis of water with the esters of vegetable oil is part of the reaction, and that as we know, with it two compounds are formed, such as carboxylic acid and alcohol, it will also be interesting to know;

The auto-ignition temperature of the carboxylic acid, which is approximately 425 ⁵

C.

- The temperature of auto-ignition of the alcohol, which depending on the type of alcohol is approximately between 378 ⁵ C and 460 ⁵ C. c) The determination and detailed description of the process to follow, in the places where the aforementioned reaction will take place chemical in the internal combustion rotary engine that is proposed. And that these reactions will be carried out;

In the auxiliary pre-combustion chambers and lobes attached to said chambers, the aforementioned lobes corresponding to the maximum compression phase, or the reactions occur only in said lobes, when the engine of the present invention does not have the auxiliary chambers of precombustion. Consequently, fuel injections (of vegetable oil and water) will be carried out, either in a shared injection in the auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, or direct injection in the lobe corresponding to the phase of compression when the rotary engine does not have an auxiliary pre-combustion chamber. Said process will be developed with the operation of the engine, when the injection of vegetable oil is carried out, either in a shared injection in the auxiliary pre-combustion chamber and in the lobe corresponding to the minimum compression phase, or said injection is made directly in the lobe corresponding to the minimum compression phase, when there is no auxiliary precombustion chamber in the rotary engine, said injection being made, when one of the rotor faces has exceeded the air intake nozzle. Then the water injection will be carried out, either in a shared injection in the auxiliary precombustion chamber and in the lobe corresponding to the maximum compression phase, or said injection is carried out directly in the lobe corresponding to the maximum compression phase when the engine The rotary chamber does not have an auxiliary precombustion chamber, the aforementioned injection being made, shortly before the corresponding face of the rotor, forms the lobe of maximum compression. Depending on the distance and position of the rotor face to its position in which it generates the maximum compression lobe, the advance of water injection, and also depending on the distance and position of the rotor face to one of its positions in the that generates one of its lobes of minimum compression, to the advance of the injection of the vegetable oil. These advances being so much greater, the faster the engine rotates. With the start-up of the rotary engine (warm-up time with the glow plug of the precombustion auxiliary chamber and lobe destined for the compression phase and for the case of the engine that does not have an auxiliary chamber, heating of the other lobes of the engine, as well as the heating of the deposited air and vegetable oil and the action of the starter motor), and the start of the mime, the auxiliary precombustion chamber where appropriate and lobe destined for the compression phase will be hot, when injected vegetable oil in the time of almost minimal compression, when one of the rotor faces delimits the lobe of almost minimal compression, the vegetable oil is injected, acquiring temperature of the precombustion auxiliary chamber, rotor face and lobe intended for compression , increasing said temperature of the vegetable oil in the time of maximum compression (compression of the aspirated air and the injected vegetable oil) and ant it is that the water injection occurs, that is, before one of the three faces of the rotor delimits the maximum compression lobe, the temperature at which the used vegetable oil will rise, in these circumstances, will be at least, its "critical temperature" and as a maximum temperature, any temperature below its auto-ignition temperature. Then when one of the three faces of the rotor is in a certain position, close to the delimitation of the maximum compression lobe and before reaching it, water injection is performed in the auxiliary precombustion chamber and almost maximum compression lobe , or only in the aforementioned lobe if the engine did not have an auxiliary chamber. When spraying the water or water vapor on the vegetable oil, which as we have said before will be at a certain temperature between its critical temperature and its auto-ignition temperature (without reaching the latter), the main or primary reaction will occur desired, that is, the dissociation of hydrogen from water or fragmentation of the water molecule, said dissociation being understood as a transformation or primary or primary chemical reaction, which is encompassed and chained with a peculiar chemical reaction of hydrolysis of water with the esters of vegetable oil, such that said dissociation of hydrogen from water, as well as the peculiar chemical reaction of hydrolysis of water with the esters of vegetable oil are practically simultaneous to their combustion. d) The determination of the volumes of fuels to be injected (of vegetable oil and water), in the possible embodiments of the proposed engine, either with or without auxiliary pre-combustion chambers, the volume of vegetable oil injected into the auxiliary pre-combustion chamber and lobe intended for minimum compression, or volume of vegetable oil injected only in lobe intended for minimum compression, if there is no auxiliary chamber in the engine, in both cases, it will be the injection made in any phase of revolutions of the engine of the present invention and will be made in an approximate proportion or scale between 50% to 99%, with respect to the sum of the total volume of the mixture (vegetable oil plus water). Also being able to perform injections of vegetable oil volumes, whose percentages are even somewhat lower than those said. The volume of water has to be injected into the auxiliary pre-combustion chamber and lobe for almost maximum compression, or the volume of water has to be injected only into the lobe intended for almost maximum compression if there is no auxiliary chamber in the engine, in both cases it will be the injection carried out in any phase of revolutions of the engine of the present invention and will be done in an approximate proportion or scale between 1% to 50%, with respect to the sum of the total volume of the mixture (of vegetable oil plus water) . Also being able to perform injections of water volumes, whose percentages are even somewhat higher than said. The indices or scales between the percentages that have been previously expressed for vegetable oil and water, are estimates and approximate and never limiting any other percentage that could be used, since these percentages will vary depending on the different technical relationships with the that the rotary motor be configured, such as; the compression ratio, the expansion ratio and the stoichiometric ratio. Therefore, within the limits or scales indicated above, the percentages of vegetable oil and water may be used, more suitable for each specific case of the engine of the present invention, depending on the technical characteristics with which it is manufactured. For example, we could have an engine that uses in its combustion, a volume of the mixture, 80% of vegetable oil and 20% of water, or any other percentage that complement each other in relation to the indicated ranges. e) The determination and detailed description of the basic guidelines in which the aforementioned chemical reactions are developed in the engine of the present invention, whether or not it has auxiliary pre-combustion chambers. As we know, vegetable oils or triglycerides are organic compounds that consist of esters formed by three molecules of unsaturated fatty acids (oleic acid) and one molecule of alcohol (glycerin). And therefore, we can say that an ester is a compound formed by the combination of a fatty acid with glycerin. Well, the basic guidelines in which the aforementioned chemical reactions are developed will be determined and described in the following lines; When the vegetable oil is heated by the means described above, that is, with glow plugs, compression of the air and vegetable oil (through one of the three faces of the rotor) located or entered the air and oil in an auxiliary pre-combustion chamber and lobe intended for almost maximum compression or only entered into said lobe if the engine did not have an auxiliary chamber (manufactured or coated said chamber and elements that delimit the lobe of the aforementioned materials for the present engine invention), until the vegetable oil reaches its "critical temperature" or higher temperatures (without reaching its self-ignition temperature), the vegetable oil decomposes releasing its ester chains. Under these circumstances, when water or water vapor is sprayed on the vegetable oil, the oil esters (oil molecules) react with the water (water molecules, H ₂ 0), dissociating (electrolytic dissociation of the water molecule) or said water molecule fragmenting, on the one hand, as a hydrogen atom or H ⁺ proton, positively charged and becoming dissociated or loose with respect to the oxygen atom, when the bond with the oxygen atom is broken, and on the other hand fragments as hydroxyl ions OH ^" , negatively charged, whereby the fragmented water molecules react with the esters of the vegetable oil, thus also encompassing in the process, a chemical reaction of hydrolysis, reaction of the water with the esters of the vegetable oil, such that the ester molecules dissociate into two fragments, one of which reacts with atoms or protons H ⁺ (of hydrogen) of the dissociated molecule of water to form the carboxylic acid, and the other does it with the hydroxyl ions OH ^" to form alcohol, producing the said chemical reactions practically simultaneous, and characterizing said reactions, because the said dissociation of hydrogen from water (electrolytic dissociation), as well as the chemical reaction of hydrolysis, of the water with the esters of the vegetable oil are practically simultaneous to their combustion. Therefore, the final reaction produced, we could say that it would be a peculiar type of saponification reaction whose final result is the combustion of the mixture. At the temperature of the vegetable oil at which the chemical reaction occurs (between its critical temperature and its self-ignition temperature), the heat energy must be added detached by the breakage of the bonds of the hydrogen atoms with the oxygen atom of the water molecule, as well as the heat released from the aforementioned hydrolysis reaction, reaching at this stage of the reaction, a temperature above the temperature of auto-ignition of hydrogen, vegetable oil, and if necessary of decomposed carboxylic acids and alcohols, producing spontaneous combustion of the entire mixture. Whose combustion, we use to operate the engine proposed in the present invention.

In order to better understand the object of the present invention, various practical and preferential embodiments thereof, as well as the referential description thereof, of the components that form it and materials with which some of its elements will be manufactured will be described below. essential. All this referenced to the schematic drawings that are provided at the end of this report, given only by way of example, in which equal references have been used for equal pieces in the different figures, where:

Figure 1 shows a first embodiment of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, shared injection in a pre-combustion auxiliary chamber and in a lobe corresponding to the compression time or phase. It is a schematic cross-sectional view, given said section, by the eight-shaped inner hollow lying on the engine stator.

Figure 2 shows a second embodiment of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, direct injection into the lobe corresponding to the compression time or phase. It is a schematic cross-sectional view, given said section, by the eight-shaped inner hollow lying on the engine stator.

Figure 3 is an enlarged view in schematic section of the safety valve against excessive pressures and areas close to it, which we can see in Figures 1 and 2.

Figures 4 and 5 are schematic and enlarged views with respect to Figures 1 and 2, which correlatively represent a front elevation and a profile elevation of the special injectors for vegetable oil and special injectors for water, which are part of the engines that they represent figures 1 and 2. Figures 6 and 7 show enlarged views in schematic longitudinal section of the ends of the nozzles and tips of the injection needles, which correlatively represent in detail a nozzle of the special injector for vegetable oil and another nozzle of the special injector for water, corresponding to the injectors shown in figures 4 and 5.

Figure 8 represents a scheme of the injection system for the injection of vegetable oil, which may be part of the engines shown in Figures 1 and 2. By way of example, three injectors have been placed in the scheme, in the case of that the rotary motor had three rotors and three stator divisions. Logically, it should be understood that, in general, the rotary engine will have an injector for vegetable oil for each division of the stator and rotor it contains, except in exceptional cases that it could have more than one injector for vegetable oil, per rotor and division of the stator . Figure 9 represents a scheme of the injection system for water injection, which may be part of the engines shown in Figures 1 and 2. By way of example, three injectors have been placed in the scheme, in the event that The rotary engine had three rotors and three stator divisions. Logically, it should be understood that, in general, the rotary engine will have a water injector for each division of the stator and rotor it contains, except in exceptional cases that it could have more than one injector for water, per rotor and stator division.

Figures 10, 1 1, 12, 13, 14, 15, 16, 17, 18, 19, 20 and 21 are schematic cross-sectional views of the motor of Figure 1, where we can observe the four times of the motor cycle, in the lobes generated, and corresponding to one of the faces of the rotor, referred to said cycle, one complete revolution of the rotor and three turns of the motor shaft and its eccentric. Thus we have that successively with respect to the AC face of the rotor (defined by its vertices A, B and C), from figure 10 to 13 represent the admission time, from figure 14 to 16 represent the compression time, of Figure 17 to 19 represent the time of Combustion and Force and of Figure 20 to 21 represent the time of Escape, fully completing the escape time of Figure 10 and thereby closing the cycle. These figures are drawn with a small scale factor with respect to figure 1.

Figures 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 and 33 are schematic cross-sectional views of the motor of Figure 2, where we can observe the four times of the motor cycle, in the lobes generated and corresponding to one of the rotor faces, referred to said cycle, one full turn of the rotor and three turns of the drive shaft and its eccentric. Thus we have that successively with respect to the DF face of the rotor (defined by its vertices D, E and F), from figure 22 to 25 represent the admission time, from figure 26 to 28 represent the compression time, of Figure 29 to 31 represent the time of Combustion and Force and of Figure 32 to 33 represent the time of Escape, fully completing the escape time of Figure 22 and thereby closing the cycle. These figures are drawn with a small scale factor with respect to figure 2.

As shown in Figure 1, the internal combustion rotary engine (1) that uses alternative fuels for its operation, object of the present invention, refers to a new rotary engine (1, according to a first practical embodiment) ) of internal combustion, of four times, of one or more rotors (5), in which part of the fuel is injected into an auxiliary pre-combustion chamber (27) and another part thereof in the lobe corresponding to the phase or time of compression, said lobe being, the space that delimits one of the faces (6) of the rotor (5) with the inner hollow (3) of the stator (2) in a certain position, designed so that its operation is carried out using as fuels, Vegetable oil and water. Not being necessary in this new engine (1) the carburetor, ignition switch, or spark plugs. With a certain analogy to the Wankel engine, it is mainly composed of; lubrication system, cooling system, some peculiar electrical and combustion systems, regulators for both the air inlet and the fuel inlet, inlet for the cooling and greasing oil, suction pump that collects the oil from the lubrication, a motor block or stator (2) with its inner hollow (3) in the form of eight wide-waist lying down and limited by its side walls (4) on both sides, and for each transverse partition of the stator hole (3) (2) ), understands; a triangular rotor (5) on whose faces (6) the surface of its grooves (7) may be either parallel to the face (6) of the rotor (5) or parallel to the dummy plane passing tangent to the face (6) of the rotor (5) and containing the line that transversely divides the face (6) into two equal parts, said rotor (5) incorporates its vertices segments (8) and its lateral segments (9), also has a screw cogwheel (10) that rolls and meshes on an inner fixed pinion (1 1), this pinion (1 1) being integral with the stator (2), a driving shaft (12) whose eccentric (13) is housed in the inner hollow of the rotor (5), adjusting between the eccentric (13) and the inner surface of the rotor (5), a quadruple roller bearing for the eccentric joint (13), ball and roller bearings for the attachment of the motor shaft (12) to the stator (2), flywheel, counterweight to balance the rotor movement (5), inlet (25) and exit in the state or of the cooling water, cavities (26) of the stator (2) for the circulation of the cooling water, an air intake duct (14), an exhaust duct (15), a peculiar safety valve against excessive pressures (16), conduit (17) for safety valve, as well as tubular screw (23) and sleeve (24) thereof, and a robust glow plug (18) positioned in the auxiliary chamber of pre-combustion (27), also includes; a particular start-up system for starting the engine, the peculiar electrical and combustion systems, the aforementioned auxiliary pre-combustion chamber (27) located at the top of the stator (2) and communicated through a nozzle (28) to the lobe corresponding to the compression phase and where the combustion expansion will begin, special injector for vegetable oil (19), and special injector for water (20), both located in the auxiliary pre-combustion chamber (27), special coating or made of special material (21) of the surface that delimits the inner hollow (3) in the form of eight of the stator (2) and side walls (4) thereof, special coating or made of special material (22) of some elements essential components of said engine (1), such as the three faces (6) of the rotor (5) and its slits (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary pre-combustion chamber (27) and its nozzle (28), also includes two independent tanks for fuel (one for vegetable oil and one for water), two independent injection systems (one for vegetable oil and one for water), as well as in its operation it presents certain advances to the injection (one for vegetable oil and one for water). Suitable said Motor (1), so that primarily with its operation it comprises and encompasses a procedure to dissociate hydrogen from water (electrolytic dissociation of the water molecule) and thus, the bonds of atoms of water molecules can be broken, being able to dissociate or fragment said molecule, on the one hand as a hydrogen atom or H ⁺ proton, positively charged and being dissociated or loose with respect to the oxygen atom, and on the other hand it is fragmented as hydroxyl ions OH ^" , negatively charged, also encompassing said process a peculiar chemical reaction of hydrolysis of water with esters of vegetable oil, such that the ester molecules dissociate into two fragments, one of which reacts with the H ⁺ (hydrogen) protons of the dissociated molecule of water to form carboxylic acid, and the other does it with hydroxyl ions OH ^" to form alcohol, producing the aforementioned reactions virtually simultaneous chemistries, and linked said chemical reactions and with it the whole process itself, to the operation of the rotary engine (1) proposed in the present invention. Determined said procedure, because said dissociation of hydrogen from water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of water with the esters of vegetable oil are practically simultaneous to their combustion. Figure 2 shows according to a second embodiment (1 a) of the present invention, a new four-stroke internal combustion rotary engine, designed so that its operation is carried out using as fuels, vegetable oil and water, this second embodiment is particularly defined (1 a), because its fuel injections, both of vegetable oil and water, are made directly in the lobe of the engine destined to compression time or phase, without any auxiliary pre-combustion chamber. Therefore, unlike the first embodiment, the special injector for vegetable oil (19), the special injector for water (20), as well as the robust spark plug or glow plugs (18), will be located in the stator (2a ) of the rotary engine, placing the special injectors (19) and (20) in the lobe corresponding to the compression time and the robust glow plugs (18) located and distributed in addition to the compression lobe, in the rest of lobes belonging to the intake, combustion and exhaust times, and even in the air intake duct (14) if necessary, all in order to heat the rotary engine for start-up, these being the physical differences of realization more significant with respect to the first embodiment of the rotary motor of the present invention. It consists mainly of; lubrication system, cooling system, some peculiar electrical and combustion systems, regulators for both the air inlet and the fuel inlet, inlet for the cooling and greasing oil, suction pump that collects the oil from the lubrication, a motor block or stator (2a) with its inner hollow (3) in the form of eight wide-waisted, lying down and limited by its side walls (4a) of both sides, and for each transverse partition of the inner hollow (3) of the stator (2a), comprises; a triangular rotor (5) on whose faces (6), the surface of its grooves (7) may be either parallel to the face (6) of the rotor (5) or parallel to the dummy plane passing tangent to the face (6 ) of the rotor (5) and containing the line that transversely divides the face (6) into two equal parts, said rotor (5) incorporates its vertices segments (8) and its lateral segments (9), also has screwed a cogwheel (10) that rolls and gears on an internal fixed pinion (1 1), this pinion (1 1) being integral with the stator (2a), a drive shaft (12) whose eccentric (13) is housed in the recess inside the rotor (5), adjusting between the eccentric (13) and the inner surface of the rotor (5) a quadruple roller bearing for the eccentric joint (13), ball and roller bearings for the attachment of the motor shaft (12) to the stator (2a), flywheel, counterweight to balance rotor movement (5), inlet (25) and outlet in the est tor (2a) of the cooling water, cavities (26) of the stator (2a) for the circulation of the cooling water, an air intake duct (14), an exhaust duct (15), a peculiar safety valve against excessive pressures (16), safety valve conduit (17), as well as tubular screw (23) and sleeve (24) thereof, and the robust glow plugs (18) strategically distributed along the contour of the stator (2a) also includes; a particular start-up system for starting the engine, the peculiar electrical systems and combustion, special injector for vegetable oil (19) and special injector for water (20), both located in the lobe corresponding to the phase or time of compression, special coating or manufactured of special material (21) of the surface that delimits the hollow interior (3) in the form of eight of the stator (2a) and side walls (4a) thereof, special coating or made of special material (22) of some essential elements that make up said motor, such as, the three faces (6 ) of the rotor (5) and its slits (7), the air intake duct (14), and the exhaust duct (15), also comprises two independent fuel tanks (one for vegetable oil and one for water), two independent injection systems (one for vegetable oil and one for water), as well as in its operation it presents certain advances to the injection (one for vegetable oil and one for water). Suitable said Motor, so that primarily in its operation it comprises and encompasses a procedure to dissociate hydrogen from water (electrolytic dissociation of the water molecule) and encompasses a peculiar reaction of hydrolysis of water with the esters of vegetable oil, linked to said chemical reactions and with it the whole procedure itself, to the operation of the rotary engine proposed in the present invention. Determined said procedure, because said dissociation of hydrogen from water (electrolytic dissociation), as well as the peculiar chemical reaction of hydrolysis of water with the esters of vegetable oil are practically simultaneous to their combustion. Figure 3, as we have said, is an enlarged view in schematic section of the safety valve against excessive pressures (16) and areas close to it, which we can see in Figures 1 and 2 representing the two embodiments of the present invention. The safety valve against excessive pressures (16), consists of a device comprising; a conduit (17) made in the upper part of the stator (2) or (2a) (depending on the embodiment of the motor), which communicates at one of its ends with the lobe where the time or phase of Maximum compression of the engine and at the other end communicates with the exhaust duct (15) of the engine through a sleeve (24). In the part closest to the lobe where the maximum compression time or phase will occur, in said conduit (17) that is part of the stator (2) or (2a), a metal part (29) is located whose shape is defined by a small sphere and a small cylinder that intersect centrally, that is, the axis of the cylinder parallel to its generatrices intercepts the sphere at its center, the diameter of the sphere being greater than the diameter of the cylinder. Said piece (29) sits on its spherical part on a seat located in the duct (17) mentioned above, keeping the duct (17) closed in this part, as said piece (29) is pressed by a spring or spring ( 30) which sits on the spherical surface of said metal part (29) and that its internal diameter is tangent (with certain clearance) to the cylinder of the spherical-cylindrical part (29), the spring (30) being at its other end pressed by a screw (23) with a tubular shape, that is, internally this hollow, said screw (23) being arranged of a spring seat (30), thread to be screwed to the stator (2) or (2a), and nozzle or mouth to connect with sleeve or tube (24) that communicates with the exhaust duct (15). In this way, the safety valve against excessive pressures (16) is constituted, when the pressure in the lobe where the maximum compression time or phase will occur is propagated from a predetermined value, the spherical-cylindrical part (29) will rise from its seat, leaving the existing communication duct (17) between said lobe and the exhaust duct (15) open, and consequently letting through said duct (17) a flow of compressed air from the lobe containing the maximum compression to the duct Exhaust (15), in order to maintain the necessary and required pressure in the lobe and auxiliary pre-combustion chamber (27), if applicable. In those cases of design of the present engine, in its embodiments (1) or (1 a), where the pressure in the lobe where the maximum compression time or phase will occur does not exceed the predetermined pressure, said valve will not be necessary safety (16).

As regards figures 4, 5 and 6, they show elevation views and profile of the special injector for vegetable oil (19) and detailed section of its nozzle (34), usable for the two embodiments (1) and ( 1 a) of the four-stroke internal combustion rotary engines, whose operation is carried out using vegetable oil and water as fuels, whether said engines, of shared injection in an auxiliary pre-combustion chamber (27) and in the corresponding lobe to the compression phase, or direct injection into the lobe corresponding to the compression phase. The special injector for vegetable oil (19), will consist mainly of an outlet (31) for the return of fuel (from vegetable oil), an electrical terminal (32) to connect to the electrical system, a terminal (33) for high pressure fuel supply, as well as the rest of the injector (19) that forms its housing and its nozzle (34) where the vegetable oil will flow out. Said injector (19) will preferably be of the type of injectors used in electronic injection for diesel engines, such as the type of injectors that use electromagnetic valves and injection control chambers to be activated, or of the type of those that are activated by a piezoelectric element, but that for motors of this invention, equivalent in power to the current rotary motors, comprise some special peculiarities, which consist, in that in its nozzle the holes or diffusers (38) of its nozzle ( 34) Outlet, where the vegetable oil comes from the injector (19), will be of a diameter or diameters, whose dimension will be different from the injectors currently used, the injection needle (35) that sits in the nozzle (34), it will have at its tip (36) an angle of conicity different from that of the needles of the current injectors, and also the inner wall (37) of the nozzle (34) near the tip (36) of the injection needle (35) will have a different conicity angle that in the case of the current injectors, also the injection time of these injectors governed by the electronic control unit, will be different from that used by the current injectors, so that the volume of fuel (of vegetable oil) in the injection carried out in any phase of revolutions of the engine of the present invention, it will be done in an approximate proportion or scale between 50% to 99%, with respect to the volume of fuel that the rotary gasoline engine will use in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible.

Also with regard to figures 4, 5 and 7, they show us views of the special water injector (20) and detailed section of its nozzle (34), usable for the two embodiments (1) and (1 a ) of the four-stroke internal combustion rotary engines, whose operation is carried out using vegetable oil and water as fuels, whether they are engines, of shared injection in an auxiliary pre-combustion chamber (27) and in the lobe corresponding to the phase compression, or direct injection into the lobe corresponding to the compression phase. The special water injector (20), will consist mainly of an outlet (31) for the return of fuel (of water), an electrical terminal (32) to connect with the electrical system, a terminal (33) for the supply of high fuel pressure, as well as the rest of the injector (20) that forms its housing and its nozzle (34) where the water will flow out. Said injector (20) will preferably be of the type of injectors used in electronic injection for diesel engines, such as the type of injectors that use electromagnetic valves and injection control chambers to be activated, or of the type of those that are activated by means of a piezoelectric element, but that for motors of this invention, equivalent in power to the current rotary motors, comprise some special peculiarities, which consist, in that in its nozzle the holes or diffusers (41) of its nozzle ( 34) Outlet where the water comes out from the injector (20), will be of a diameter or diameters, whose dimension will be different from the injectors currently used, the injection needle (35) that sits in the nozzle (34), will have at its tip (39) an angle of conicity different from that of the needles of the current injectors, and also the inner wall (40) of its nozzle (34) near the p A (39) of the injection needle (35) will have a different taper angle than in the case of current injectors, also the injection time of these injectors governed by the electronic control unit, will be different than that used by current injectors, such so that the volume of fuel (of water) in the injection made in any phase of revolutions of the engine of the present invention, will be made in an approximate proportion or scale between 1% to 50%, with respect to the volume of fuel that you will use the rotary gasoline engine in one of your aspirations at your admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible.

Figure 8, as we have said before, represents a scheme of the injection system for the injection of vegetable oil, which may be incorporated into the two embodiments (1) and (1 a) of the rotary engine of the present invention, which represent the Figures 1 and 2. Thus, the injection system for vegetable oil (42) will be similar to those existing and known for diesel engines, with some differences, including; electric priming pump (55) submerged in the tank for vegetable oil (53) provided with a prefilter (54), high pressure pump (43) moved by any transmission mechanism with the motor shaft installed, or instead of it, a high pressure electric pump, high pressure regulator (44), electronic control unit (56) with connection strip for sensors (57) and connection strip for actuators or activators (58), high accumulator manifold pressure (45) (or injection ramp), pressure sensor (46), conduits for the distribution of vegetable oil that may be; low pressure suction (50), high pressure supply (51), and return (52), filter for vegetable oil (47), conductors and electrical circuits for sensors (57a) and for actuators or activators (58a) , special injectors for vegetable oil (19), being able to also include in said system, a fuel heater (48) or more than one, so that the vegetable oil already enters the hot engine at a certain temperature, approximately between 70 ⁵ Centigrade and 80 ⁵ C. (essential for starting the engine, and especially for cold weather zones) and a radiator or fuel cooler (49) for the fuel that returns to the tank (53). Differentiating from the current injection systems, because they will use the special injectors for vegetable oil (19) defined above, and one or more heaters (48) so that at the start of the engine, the vegetable oil enters previously warm, approximately between 70 ⁵ C and 80 ⁵ C, also the injection time that governs the electronic control unit (56), will be different from that used by current injectors, so that the volume of fuel (from vegetable oil) in the injection made in any Revolutions phase of the engine of the present invention, will be made in an approximate proportion or scale between 50% to 99%, with respect to the volume of fuel that will be used by the rotary gasoline engine (equivalent in mechanical power) in one of its aspirations in your admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). Also being able to perform injections of vegetable oil volumes, whose percentages are somewhat lower than said, provided that the combustion of the mixture is carried out effectively. In relation to figure 9, it represents a scheme of an injection system, for water injection, which may be incorporated into the two embodiments (1) and (1 a) of the engine of the present invention, which represent the figures 1 and 2. Accordingly, the water injection system (59) will be similar to those existing and known for diesel fuel injection in diesel engines, with some differences, it comprises; a water tank (70) provided with a prefilter (71), high pressure pump (60) moved by any transmission mechanism with the motor shaft installed, or instead, a high pressure electric pump, high pressure regulator (61), electronic control unit (72) with connection strip for sensors (73) and connection strip for actuators or activators (74), high pressure accumulator manifold (62) (or injection ramp) , pressure sensor (63), water distribution conduits, which may be; low pressure suction (67), high pressure supply (68), and return (69), water filter (64), conductors and electrical circuits for sensors (73a) and for actuators or activators (74a), special injectors for water (20), being able to also include in said system, a fuel heater (65), so that the water already enters the hot engine (fundamental for cold areas) and a radiator or fuel cooler (66 ), for the fuel that returns to the tank (70). Differentiated from the current injection systems, because they will use the special water injectors (20) defined above, also the injection time that governs the electronic control unit (72), will be different and smaller than that used by the current injectors , in such a way that in this injection system, the volume of fuel (of water) in the injection carried out in any phase of revolutions of the engine of the present invention, can be made in an approximate proportion or scale between 1% and a 50%, with respect to the volume of fuel that will be used by the gasoline rotary engine (equivalent in mechanical power) in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus Water). Also being able to perform injections of water volumes, whose percentages are somewhat higher than said, as long as the combustion of the mixture is carried out effectively.

According to the first embodiment (1) of this invention, the rotary injection engine shared in a pre-combustion auxiliary chamber and in the lobe corresponding to the compression phase, designed so that its operation is performed using as fuels, vegetable oil and water, can be defined particularly in their operation, by the configuration of their times, phases and moments in which fuel injections (vegetable oil and water) occur. Thus, for a better understanding of the operation of this first embodiment, they are defined hereinbelow, with reference to the figures from fig. 10 to fig. 21, its different times, with their respective and particular characteristics (phases, injection moments, etc.), as well as the different and successive positions of the rotor in one cycle, said cycle referenced, in relation to the successive positions of the AC face of the rotor, in which its three faces have been defined, naming the vertices of the rotor as, A, B and C.

Therefore, from figure 10 to figure 13 and with respect to the AC face of the rotor (5), said figures represent the admission time of the rotary motor (1), in which with the movement of the rotor (5) it allows the air inlet (75) to the lobe or intake lobes (76) and to the auxiliary precombustion chamber (27). Defining this first embodiment (1) of the rotary engine, in this phase, because the air drawn (75) from the intake duct (14), is conducted through the intake lobe or lobes (76) to the special chamber auxiliary precombustion (27), when the vertex C of the AC face of the rotor (5) passes through the mouth or port of the intake duct (14). Figures 14, 15 and 16, with respect to the AC face of the rotor (5), represent the compression time of the rotary motor (1). Defining this first embodiment (1) of the rotary engine, in this phase, because the injection of vegetable oil (77) is carried out by the special injector (19) shared in the auxiliary precombustion chamber (27) and in the corresponding lobe to the phase of almost minimal compression (78) on the AC face of the rotor (5), and while the rotor (5) and its face AC rotate from the delimited lobe of almost minimum compression (78) to delimit the lobe of maximum compression (79) the air and vegetable oil deposited in the auxiliary precombustion chamber (27) and on the AC face of the rotor (5), when compressed, quickly heat up and increase their temperatures, reaching the vegetable oil a temperature between its critical temperature and its auto-ignition temperature, but without reaching the latter, then and shortly before the AC face of the rotor (5) reaches to delimit the maximum compression lobe (79), the shared injection of Water ( 80) on the auxiliary precombustion chamber (27) and on the AC side of the rotor (5) (on the vegetable oil), said injection is supplied by the special injector (20), at which point the chemical reactions (of electrolysis and hydrolysis) and the ignition of the mixture. The safety valve against excessive pressures (16) may be kept closed or momentarily open if the pressure in the maximum compression lobe (79) exceeds the predetermined pressure indices.

Figures 17, 18, and 19, with respect to the AC face of the rotor (5), represent the combustion time (also called work or force) of the rotary engine (1). Defining this first embodiment (1) of the rotary engine, in this phase, because when mixed in the previous compression phase, the air, and the vegetable oil with the water in the expected percentages and required environmental and temperature conditions, they produce the chemical reactions mentioned above and defined (electrolysis and hydrolysis), obtaining almost simultaneously the combustion (81) of the mixture, and all the expansive force due to the combustion gases (81) concentrated in a minimum volume in the auxiliary chamber of pre-combustion (27) and in the lobe corresponding to the time or phase of maximum compression (79), it is applied on the rotor AC face (5), pushing it and turning it with great force in the direction of rotation of the rotor ( 5).

Figures 20, 21 and 10, with respect to the AC face of the rotor (5), represent the escape or expulsion time of the rotary motor (1), once the vertex A of the AC face of the rotor (5), in its rotating movement, expose or break through the vent or port of the exhaust duct, the AC face of the rotor (5) will move the flue gases and fumes (82) of the combustion towards the said port, originating in this way that said gases (82) exit through the exhaust duct (15), which will subsequently reach the exhaust pipe and its exit to the outside. Differentiating this first embodiment (1) of the rotary engine, in this phase notably, because the exhaust gases (82), coming from alternative organic and ecological fuels (vegetable oil and water) are less polluting than the gases coming from of the combustion of fossil fuels (diesel or gasoline).

According to the second embodiment (1 a) of this invention, the direct injection rotary motor in the lobe corresponding to the compression phase, designed so that its operation is carried out using as fuels, vegetable oil and water, can be particularly defined in its operation, by the configuration of its times, phases and moments in which the injections of fuels (vegetable oil and water) occur. Thus, for a better understanding of the operation of this second embodiment (1 a), they are defined hereinbelow, with reference to the figures from fig. 22 to fig. 33, its different times, with their respective and particular characteristics (phases, injection moments, etc.), as well as the different and successive rotor positions in a cycle, referenced said cycle, in relation to the successive positions of the DF face of the rotor, in which its three faces have been defined, naming the rotor vertices as, D, E and F.

Accordingly from figure 22 to figure 25 and with respect to the DF face of the rotor (5), said figures represent the admission time of this second embodiment (1 a) of the rotary motor, in which, with the Rotor movement (5) allows the entry of air (83) into the lobe or intake lobes (84). When the vertex D moves away from the DF face of the rotor (5) of the intake port, the intake lobe (84) acquires a greater volume and therefore a greater volume of air (83) drawn.

Figures 26, 27 and 28, with respect to the DF face of the rotor (5), represent the compression time of this second embodiment (1 a) of the rotary motor. Defining this second embodiment (1 a) of the rotary engine in this phase, because the injection of vegetable oil (85) is carried out by the special injector (19) directly in the lobe corresponding to the phase of almost minimal compression (86) on the DF side of the rotor (5), and while the rotor (5) and its DF face rotate from the delimited lobe of almost minimal compression (86) to delimit the lobe of maximum compression (87), air and vegetable oil deposited on the DF side of the rotor (5), when compressed, they quickly heat up and increase their temperatures, the vegetable oil reaching a temperature between its critical temperature and its self-ignition temperature, but without reaching the latter, then and shortly before the DF side of the rotor (5) reaches to delimit the maximum compression lobe (87), water injection (88) is performed on the DF face of the rotor (5) (on the vegetable oil), supplied said injection by the injector special (20), starting at this point the chemical reactions (electrolysis and hydrolysis) and the ignition of the mixture. The safety valve against excessive pressures (16) may be kept closed or momentarily open if the pressure in the maximum compression lobe (87) exceeds the predetermined pressure indices.

Figures 29, 30, and 31, with respect to the DF face of the rotor (5), represent the combustion time (also called work or force) of this second embodiment (1 a) of the rotary engine. Defining this second embodiment (1 a) of the rotary engine in this phase, because when mixed in the previous phase of compression, the air, and the vegetable oil with the water in the expected percentages and required environmental and temperature conditions, they produce the chemical reactions mentioned above and defined (electrolysis and hydrolysis), obtaining almost simultaneously the combustion (89) of the mixture, and all the expansive force due to the combustion gases (89) concentrated in a minimum volume in the corresponding lobe at the time or phase of maximum compression (87), it is applied on the DF face rotor (5), pushing and turning or turning with great force in the direction of rotation of the rotor (5).

Figures 32, 33 and 22, with respect to the DF face of the rotor (5), represent the escape or expulsion time of this second embodiment (1 a) of the rotary engine. Once the vertex D of the DF face of the rotor (5), in its rotating movement, exposes or exceeds the embrasure or port of the exhaust duct, the DF face of the rotor (5) will move the gases and fumes (90) from the combustion towards the aforementioned port, thus causing said gases (90) to escape through the exhaust duct (15), which will subsequently reach the exhaust pipe and its exit to the outside. Differentiating this second embodiment (1 a) of the rotary engine in this phase in a remarkable way, because the exhaust gases (90), coming from alternative organic and ecological fuels (vegetable oil and water) are less polluting than the gases coming from of the combustion of fossil fuels (diesel or gasoline).

Once the drawings have been described, as well as several examples of the ways or embodiments of the rotary engine of the present invention, but some implicitly described some systems and elements that form said embodiments, we will now describe in a way more explicitly and in greater detail, the different systems, elements, forms of realization of the same, and operation of these, which constitute in a practical way, the embodiments of the present engine. All this, helping us in part of the figures described above and referring to some elements referred to in them. So that; The combustion system, (not fully represented all its elements in Figures 1 and 2) which uses the two embodiments (1) and (1 a) of the rotary engine of the present invention, internal combustion and four times, either of injection shared in an auxiliary precombustion chamber (27) and in the lobe corresponding to the compression phase, or of direct injection in the lobe corresponding to the compression phase, designed so that its operation is carried out using as fuels , vegetable oil and water, essentially comprises for each partition of the inner hollow (3) of the stator (2) or (2a) of; a rotor (5), motor shaft (12) with its eccentric (13), glow plug (18), air filter, intake manifold, and exhaust manifold, and also for the case of shared injection, auxiliary chamber Precombustion (27) attached to the lobe corresponding to the compression phase, where combustion expansion will begin in this case, and nozzle (28) that joins the auxiliary chamber (27) with the lobe corresponding to the compression phase. Do not being necessary in this new rotary engine, the carburetor, ignition breaker, or spark plugs, mainly consisting of this combustion system, in which in the embodiments (1) and (1 a) of the engine of the present invention, they use two or more special injectors for each division of the internal hollow (3) of the stator (2) or (2a) (or by number of rotors that the motor contains), and at least one for vegetable oil (19), and another for water (20), which will inject fuel alternately in the auxiliary pre-combustion chamber (27) and in the lobe corresponding to the compression phase, for the embodiment (1) of the engine, or directly the injections will be made in the corresponding lobe to the compression phase for the case (1 a), said chambers (27) and faces (6) of the rotor (5), of special material or with a special coating (22), and the surface of the inner hollow (3) are manufactured ) of the stator (2) and (2a), made of mat special waste or with a special coating (21). Injecting vegetable oil first, in an approximate proportion or scale with respect to the total injected volume of vegetable oil plus water, between 50% and 99% in volume injected in each combustion, at the time or phase of almost minimal compression , and then the water injection will be done, in an approximate proportion or scale between 50% and 1% in volume injected in each combustion, in the time or phase of almost maximum compression. Being able to vary these proportions in the desired percentages, as long as the combustion of the mixture is carried out effectively. The sum of the volume of vegetable oil plus water injected in a combustion in the engine of the present invention, will be similar or equal to the volume of fuel that is aspirated at the time of admission, in the current gasoline rotary engines in one of its combustions , logically according to the parameters of power and speed of rotation of the motor, analogous for both engines. The electrical system (not shown in the figures, but we can see some of its elements in Figures 1, 2, 8 and 9), which uses the two embodiments (1) and (1 a) of the rotary combustion engine internal four-stroke, designed so that its operation is carried out using as fuels, vegetable oil and water, essentially comprises; battery, starter, electric injection systems (42) and (59), motor shaft (12) with its eccentric (13), alternator, electric pump (55) submerged in the vegetable oil tank (53), and connected to the vegetable oil injection system (42) for the priming of fuel at the start of the engine (1) or (1 a) and various electronic control units, such as the electronic control unit (56) for the fuel system vegetable oil injection (42) and the electronic control unit (72) for the water injection system (59), comprising at least a first electronic control unit (56), which controls the timing of the multipoint oil injection vegetable, being able to govern the injectors (19) so that the sequential injection in each division or sector of the inner hole (3) of the stator (2) or (2a) of the two embodiments (1) or (1 a) of the motors, is carried out in the phase or time of almost minimal compression, at the right time and necessary frequencies, depending on the speed of rotation of the engine, having the necessary sensors (57) and probes, located in the places that are needed, as for example in the motor shaft (12), as well as the actuators or activators (58) necessary for this function, or the incorporation of any other device that is necessary, and a second electronic control unit (72), similar to the first, that controls and regulate the synchronization of the multipoint water injection, being able to govern the injectors (20) so that the sequential injection in each division or sector of the inner hollow (3) of the stator (2) or (2a) of the motors (1) or (1 a), be carried out in the phase or time of almost maximum compression, at the right time and necessary frequencies, depending on the speed of rotation of the engine, having the necessary sensors (73) and probes, located in the places that are needed, such as on the motor shaft (12), as well as the actuators or activators (74) necessary for this function, or the incorporation of any other necessary device. Also with respect to the probes and situations or positions of their terminal sensors on the motor shaft (12) of both embodiments (1) and (1 a) of the engines, valid for establishing the moments of injection of vegetable oil or water, its positions can be determined, due to the transmission ratio of the fixed pinion (1 1) and the gearwheel (10) of the rotor (5), so that the drive shaft (12) turns three times while the rotor ( 5) gives one, this means that at each turn of the drive shaft (12), at a given time and position thereof, one of the faces (6) of the rotor (5) will be positioned in the lobe where time will occur of almost minimal compression (at which time the vegetable oil will be injected), and in another determined position of the motor shaft (12) on that same turn, the said face (6) of the rotor (5) will be positioned in the lobe where it will occur the time of almost maximum compression (at which time the water will be injected). And so repeatedly on the next two other faces (6) of the rotor (5). Therefore, the positions where the probes with their respective sensors in relation to the motor axis (12) can be determined, in order to determine the successive moments and times in which the respective injections, both of vegetable oil and water, will be applied.

The glow plug or glow plugs (18) or heating in the two embodiments (1) and (1 a) of the rotary engine depicting figures 1 and 2, of internal combustion, which are operated using fuels, vegetable oil and water, may be located in the stator (2) or (2a) and located depending on the case, either in the auxiliary pre-combustion chambers (27) of the engine (1) or distributed perimeter around the stator (2a) of the engine (1 a) in the case that there were no cameras in the rotary engine Pre-combustion auxiliaries (27), will be of the type of glow plugs similar to those used in diesel engines, which as we know, are part of the start-up system for starting the engine, operating when an electric circuit is closed by positioning the start-up switch in its heating position. The operation of said spark plug (18) is simple, it is about passing electric current through an electric resistance located in said spark plug (18), the resistance is heated, becoming incandescent and giving off a lot of heat, thus heating the auxiliary pre-combustion chamber (27 ) and corresponding motor lobe (1), or by heating the lobes (spaces delimited between the inner hole (3) of the stator and rotor faces (5)) of the motor (1 a), and thus also heating the air and oil plant that is deposited in the auxiliary chambers where appropriate and corresponding lobes. Resisting its difference with the current glow plugs in that the electrical resistance of this spark plug or spark plugs (18), intended for the engine of the present invention, will be robust enough to raise the temperature of the air and vegetable oil deposited in the auxiliary pre-combustion chamber where appropriate and corresponding lobe, or lobes for the motor case (1 a), at the time of warm-up for engine starting, at a temperature of approximately 210 ⁵ C (or lower depending on the type of vegetable oil used). If necessary, in each auxiliary chamber (27) and lobe where appropriate, or lobes for the case of embodiment (1 a) of the engine of the present invention, more than one glow plug may be placed.

The start-up system for starting the rotary engine in its embodiments (1) or (1 a) of four-stroke internal combustion, that its operation is carried out using vegetable oil and water as fuels, and that has not been represented no scheme of it in the figures, but to describe it here, we make references to some elements of it that can be seen in figures 1, 2, 4, 5, 6, 7, 8 and 9. It mainly comprises in its operation several aspects to be detailed, and which are described below; when the start-up switch is operated in its first position (heating position), in addition to closing the electrical circuits that supply the electrical energy to the glow plugs (18) and fuel heaters (48) and (65), a third electrical circuit is then activated at a certain time regulated by a timer clock, which activates an electric fuel priming pump (55), positioned and submerged in the vegetable oil tank (53), and communicating through the ducts (50) and (51) with the accumulator manifold (45) of the vegetable oil injection system (42), allowing said manifold (45) sufficient pressure for the injectors (19) (electrically activated) through the holes or diffusers (38) of its nozzle (34) can perform one or more simultaneous injections in the different auxiliary chambers of precombustion (27) and lobes where the minimum compression time or phase will occur, or said injections are made directly in the aforementioned lobes in the event that there were no auxiliary precombustion chambers (27), all in the warm-up time of the glow plug (18), without the need for the starter motor to be operated, and consequently without the high pressure injection pump (43) being operated. A fourth electrical circuit activated simultaneously and in the same way as the third, will activate the injectors (19), so that they simultaneously inject vegetable oil. The needle (35) that closes and opens the nozzle (34) of the injector (19), will be lifted by electromagnetism, hence the existence of this fourth circuit, therefore the electromagnets of the injectors for vegetable oil (19), may be operated by the circuit mentioned above, as well as when this circuit is deactivated, may be operated by another circuit that governs an electronic unit (56). It will be preferable in the warm-up time, a long time injection (of vegetable oil), quickly activated at the beginning of the heating, than several alternate injections, for this, there will be available in this fourth electrical circuit, an automatic switch or timer that disconnects said circuit after a certain time, of the electricity supplied by the battery. Said switch may be of any type existing on the market such as watches or timers that can meet the desired requirements. Thus, when the start-up switch is operated in its second position (starting position), three of the four previous circuits are disconnected, only the glow plug circuit (18) being connected, and in turn connecting three other circuits, one of them governs the synchronized and sequential injection of the injectors for vegetable oil (19) through an electronic unit (56), another governs the synchronized and sequential injection of the water injectors (20) through another electronic unit (72), and the third circuit will start the starter motor, and with this, the high pressure pumps (43) and (60) (one for vegetable oil and one for water), the shaft will be operated motor (12), flywheel, etc. In these circumstances, and with a rich volume of vegetable oil in each of the auxiliary precombustion chambers (27) and corresponding lobe, and where appropriate in each lobe where the minimum compression time or phase will occur (in the case of that there is no auxiliary precombustion chamber), the sucked air and the injected vegetable oil will have been heated through the glow plugs (18) at a temperature between 160 ^Q centigrade and 210 ⁵ C, and further heated when one of the rotor faces (5) delimit the lobe where the maximum compression time or phase will occur, the vegetable oil must arrive in this phase, to be heated at least at a critical temperature, approximately between 160 degrees Celsius and 210 ⁵ C. depending on the type of vegetable oil we use. Then when water is injected into the auxiliary precombustion chamber (27) and in the lobe where it will occur the time or phase of maximum compression, or in that case only in said lobe (if there is no auxiliary pre-combustion chamber (27)), the whole mixture is ignited, burning spontaneously, and thus starting the engine. Once the rotary engine of the present invention (1) or (1 a) is started, the starter circuit, as well as the glow plug circuit (18), will be automatically disconnected.

The special or manufactured coating of special material (21), of the surface that delimits the inner hollow (3) in the form of eight of the stator (2) or (2a) and side walls (4) or (4a) thereof, they may be done by molding or manufacturing the motor or stator block (2) or (2a) with a certain material, or subsequently providing said surface with a special coating (21).

A first embodiment of the special or manufactured coating of special material (21), of said surface, will consist of the stator (2) or (2a) and side walls (4) or (4a) of the two embodiments (1) or (1 a) of the rotary motor, they will be molded or made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel.

A second embodiment of the special coating or manufactured of special material (21), will consist of the stator (2) or (2a) and side walls (4) or (4a) of the two embodiments (1) or ( 1 a) of the rotating motor, they can be manufactured or molded with foundry material, and subsequently a nickel coating will be incorporated into the interior surfaces. In a third embodiment, of the special coating or made of special material (21), will consist of the stator (2) or (2a) and side walls (4) or (4a) of the two embodiments (1) or (1 a) of the rotary motor, they can be manufactured or molded with foundry material, and subsequently to the interior surfaces a ceramic coating or a vitrified or vitro-ceramic enamel will be incorporated.

However, with respect to the special coating or manufactured of special material (21), of the surface of the inner hollow (3) of the stator (2) or (2a) and side walls (4) or (4a) of the two forms of embodiment (1) or (1 a) of the rotary motor, may be defined when the stator (2) or (2a) and side walls (4) or (4a) are manufactured or molded, for example; of any foundry or aluminum material, and subsequently coated with any material that, through the practice of trial and error in the laboratory, achieves optimal results, both mechanical, such as high resistance to friction, as well as resistance to temperature, etc., also allowing such materials, that the chemical reactions that occur between vegetable oil and water, help and do not hinder combustion. The special or manufactured coating of special material (22) of some essential elements that make up the two embodiments (1) or (1 a) of said internal combustion rotary engine, which is operated using vegetable oil as fuel and water, consists of a first embodiment where, the three faces (6) of the rotor (5) and its slits (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary chamber Precombustion (27) where appropriate and its nozzle (28), will be made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel.

The special or manufactured coating of special material (22) of some essential elements that make up the two embodiments (1) or (1 a) of the rotary motor of the present invention, consists of a second embodiment where, the three faces (6) of the rotor (5) and its indentations (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary precombustion chamber (27) where appropriate and its nozzle (28 ), can be made of steel with a nickel coating.

The special or manufactured coating of special material (22) of some essential elements that make up the two embodiments (1) or (1 a) of the rotary motor of the present invention, consists of a third embodiment where, the three faces (6) of the rotor (5) and its indentations (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary precombustion chamber (27) where appropriate and its nozzle (28 ), they can be made of aluminum or steel with a special coating of several layers of Polytetrafluoroethylene.

The special or manufactured coating of special material (22) of some essential elements that make up the two embodiments (1) or (1 a) of the rotary motor of the present invention, consists of a fourth embodiment where, the three faces (6) of the rotor (5) and its indentations (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary precombustion chamber (27) where appropriate and its nozzle (28 ), can be made of steel with a ceramic coating or vitrified enamel or Vitro-ceramic. However, the special or manufactured coating of special material (22) of some essential elements that make up the two embodiments (1) or (1 a) of the engine Rotary of the present invention, such as, for example, the three faces (6) of the rotor (5) and its slits (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary chamber of pre-combustion (27) where appropriate and its nozzle (28), may be manufactured for example; of any foundry and coating material, of any material that, through the practice of trial and error in the laboratory, achieves optimal results, both mechanical, as well as resistance to temperature, etc., also allowing such materials, that chemical reactions that occur between vegetable oil and water, help and do not hinder combustion. One of the particularities of the present invention, in the two embodiments

(1) or (1 a) of the internal combustion rotary engine that is operated using vegetable oil and water as fuels, consists of two independent tanks for fuel, one for vegetable oil (53) and one for water (70 ). Another of the particularities of the present invention, in the two embodiments

(1) or (1 a) of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, consists of two independent injection systems, one for vegetable oil (42) and one for water ( 59). In the advance to the injection, both of the vegetable oil and of the water, for the two embodiments (1) and (1 a) of the rotary engine of the present invention, of internal combustion of four times, that its operation is carried out using as vegetable oil and water fuels, either injection shared in an auxiliary pre-combustion chamber (27) and in the lobe corresponding to the compression phase, or direct injection into the lobe corresponding to the compression phase, should be provided and measured the necessary time parameters in which the chemical reactions are obtained, as well as the propagation and inflammation time of the total combustion mixture. Since the combustion of the entire mixture, in fact it is not done instantaneously, if it is progressively inflamed, it is true that it will be done very quickly, but with a minimum delay, to all this, the injection times must be added of vegetable oil and water, governed by the electronic control units (56) and (72) (both of them connected to their respective probes and sensors, which will determine the position of the drive shaft (12) at a given time and therefore the position of the rotor (5)) that will provide the advance to advance the injection of vegetable oil in its moment and the advance to advance the injection of water in its moment, so that the combustion of the mixture occurs without delay, and providing that the entire combustion expansion force be applied successively and so alternated on each of the three faces (6) of the rotor (5). Said advances will be made proportionally to the speed of rotation of the motor, so that said advances will be much greater, the faster the motor of the present invention rotates. Thus, according to the first embodiment (1) of the internal combustion rotary engine, shared injection in an auxiliary pre-combustion chamber (27) and in the lobe corresponding to the compression phase, designed so that its operation is carried out using as fuels, vegetable oil and water, it can be defined particularly in its operation, because its progress to the injection, is that the injection of vegetable oil, is carried out in a shared way in a special auxiliary pre-combustion chamber (27) and in the lobe corresponding to the compression phase, in the time of practically minimal compression when one of the faces (6) of the rotor (5) is beginning the compression time, and the water injection is carried out in the said special auxiliary pre-combustion chamber ( 27) and in the lobe corresponding to the compression phase or time just before the rotor face (6) is positioned in the maximum compression lobe . Depending on the position of the face (6) of the rotor (5) at the time of the water injection to the advance of the water injection, and also depending on the position of the face (6) of the rotor (5) at the time of oil injection, to the advance of vegetable oil injection. These advances being so much greater, the faster the engine rotates. All this regulated by the two electronic control units (56) and (72) of the injection systems (42) and (59) (one for vegetable oil, and the other for water), which through its sensors (57) and (73) of their respective probes, as well as their actuators or activators (58) and (74), will determine the parameters suitable at all times, for advances to the injection, both for vegetable oil and for water . The advance to the injection in the second embodiment (1 a) of the internal combustion rotary engine, which is operated using vegetable oil and water as fuels, is analogous to that expressed and defined above for the first embodiment (1 ), differing exclusively in that in this case the injections, both of vegetable oil and water, are made directly in the lobe of the engine destined to the compression time, without any auxiliary pre-combustion chamber.

Claims

REIVINDICACIONE S.

1.- Rotary engine (1) that uses alternative fuels for internal operation, internal combustion, and which essentially consists of; one or more rotors (5), lubrication system, cooling system, peculiar electrical and combustion systems, regulators for both the air inlet and the fuel inlet, inlet for the cooling and grease oil, suction pump that collects the oil from the lubrication, a motor block or stator (2) with its inner hollow (3) in the form of eight wide-waisted lying down and limited by its side walls (4) of both sides, and for each partition or division transverse of the hole (3) of the stator (2), comprises; a triangular rotor (5) with its faces (6) and indentations (7), which incorporates its vertices segments (8) and its lateral segments (9), also has a cogwheel (10) that rolls and engages on an inner fixed pinion (1 1), this pinion (1 1) being integral with the stator (2), a drive shaft (12) whose eccentric (13) is housed in the inner hollow of the rotor (5), adjusting between the eccentric (13) and the inner surface of the rotor (5), a quadruple roller bearing for the eccentric joint (13), ball and roller bearings for attaching the drive shaft (12) to the stator (2), flywheel, counterweight to balance the movement of the rotor (5), inlet (25) and outlet in the stator (2) of the cooling water, cavities (26) of the stator (2) for the circulation of the cooling water, a air intake duct (14), an exhaust duct (15), a peculiar safety valve against excessive pressures ( 16), conduit (17) for safety valve, as well as tubular screw (23) and sleeve (24) thereof, and a robust glow plug (18), characterized in that in addition to not using carburetor, ignition switch, nor spark plugs that produce spark, use as a fuel for its operation together vegetable oil and water, and where part of the fuel is injected into an auxiliary pre-combustion chamber (27) and another part of it in the lobe corresponding to the compression phase or time said lobe being the space that delimits one of the faces (6) of the rotor (5) with the inner recess (3) of the stator (2) in a certain position, and because it comprises; a particular start-up system for starting the engine, peculiar electrical and combustion systems, a peculiar safety valve against excessive pressures (16), the aforementioned auxiliary pre-combustion chamber (27) located at the top of the stator ( 2) and communicated through a nozzle (28) to the lobe corresponding to the compression phase or time and where the combustion expansion will begin, special injector for vegetable oil (19) and special injector for water (20), located both in the auxiliary pre-combustion chamber (27), special coating or made of special material (21) of the surface that delimits the inner hollow (3) in the form of eight of the stator (2) and side walls (4) thereof, special or manufactured coating of special material (22) of some essential elements that make up said motor (1), such as the three faces (6) of the rotor (5) and its grooves (7), the intake duct (14), the duct Exhaust (15), as well as the auxiliary precombustion chamber (27) and its nozzle (28), also includes two independent fuel tanks (one for vegetable oil and one for water), two independent injection systems (one for vegetable oil and another for water), as well as in its operation it presents certain advances to the injection (one for vegetable oil and another for water). Also for its operation, it comprises and uses a procedure to dissociate hydrogen from water (electrolytic dissociation of the water molecule), understood as said dissociation of hydrogen, as a primary or primary chemical transformation or reaction, which is encompassed and chained with a peculiar reaction Chemistry of hydrolysis of water with the esters of vegetable oil, the aforementioned chemical reactions occurring practically simultaneous to their combustion, and linked to said chemical reactions and with it, the whole process itself, to the operation of the engine. Said procedure may be carried out in any place where the optimum and necessary conditions are given, and of course in the auxiliary precombustion chambers and lobes corresponding to the compression phase or time, of the different ways in which this engine can be performed rotary. Accordingly, said procedure comprises the following steps: a) The determination, by means of trial and error, of the most suitable materials to be used in the realization and manufacture of the auxiliary precombustion chamber where appropriate, as well as the most suitable materials to realize the elements that will delimit the lobes of the motor (faces of the rotor and internal hollow of the stator), places where the said chemical reaction will take place in the present rotary motor. Being able to make or manufacture said chambers, rotor, its three faces and inside the stator hollow, with the following materials: stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel,

of steel with a nickel coating.

of steel with a ceramic coating or vitrified enamel or Vitro-ceramic.

of any other material that, through the practice of trial and error in laboratory experimentation, plausible results have been obtained with respect to the desired reaction. These materials can be used interchangeably, in the different parts before said of the rotary engine, without having to be the materials used exclusively of a single type. b) The determination of the specific properties of the components that will be part of the reaction (vegetable oil and water), such as the different temperatures reached by the components and derivatives in the reaction, necessary for the practice and understanding of the procedure, as they are:

each of the "critical temperatures" of the different vegetable oils that we could use, from which, the heated vegetable oils begin to smoke and decompose. This critical temperature of the vegetable oil would be necessary, because from it and at higher temperatures, when spraying water or water vapor on the vegetable oil in a suitable environment (auxiliary precombustion chamber in its case or lobe of maximum compression, of the engine of the present invention), the desired primary or primary reaction will take place, that is, the dissociation of hydrogen from water, said dissociation being understood, as a primary or primary chemical transformation or reaction, which is encompassed and chained with a peculiar chemical hydrolysis reaction of the water with the esters of the vegetable oil, in such a way that said dissociation of the hydrogen from the water, as well as the chemical reaction of hydrolysis of the water with the esters of the vegetable oil are practically simultaneous to their combustion. Said "critical temperatures" for the different vegetable oils will be approximately;

for olive oil 210 degrees Celsius,

for sunflower and soybean oil 170 ⁵ C.

for rapeseed and corn oil 160 ⁵ C.

- The auto-ignition temperature (minimum temperature for a product to spontaneously burn) of the vegetable oil, depending on the type of oil will be approximately between 528 ⁵ C. and 620 ⁵ centigrade.

The hydrogen auto-ignition temperature, which is around 580 ⁵ C.

Given also that the hydrolysis of water with the esters of vegetable oil is part of the reaction, and that as we know, with it two compounds are formed, such as carboxylic acid and alcohol, it will also be interesting to know; The auto-ignition temperature of the carboxylic acid, which is approximately 425 ⁵

C.

The auto-ignition temperature of alcohol, which depending on the type of alcohol is approximately between 378 ⁵ C and 460 ⁵ C.

c) The determination and detailed description of the process to be followed, in the places where the said chemical reaction will take place in the internal combustion rotary engine proposed. And that these reactions will be carried out:

In the auxiliary pre-combustion chambers and lobes attached to said chambers, the aforementioned lobes corresponding to the maximum compression phase, or the reactions occur only in said lobes, when the engine of the present invention does not have the auxiliary chambers of precombustion. Consequently, fuel injections (of vegetable oil and water) will be carried out, either in a shared injection in the auxiliary pre-combustion chamber and in the lobe corresponding to the compression phase, or direct injection in the lobe corresponding to the phase of compression when the rotary engine does not have an auxiliary pre-combustion chamber. Said process will be developed with the operation of the engine, when the injection of vegetable oil is carried out, either in a shared injection in the auxiliary pre-combustion chamber and in the lobe corresponding to the minimum compression phase, or said injection is made directly in the lobe corresponding to the phase of minimum compression, when there is no auxiliary pre-combustion chamber in the rotary engine, the said injection (of vegetable oil) being made, when one of the faces of the rotor has exceeded the air intake nozzle. Then the water injection will be performed, either in a shared injection in the auxiliary pre-combustion chamber and in the lobe corresponding to the almost maximum compression phase, or said injection is made directly in the lobe corresponding to the almost maximum compression phase when The rotary engine does not have an auxiliary pre-combustion chamber, the aforementioned injection being made, before the corresponding face of the rotor forms the lobe of maximum compression. Depending on the distance and position of the rotor face to its position in which it generates the maximum compression lobe, the advance of water injection, and also depending on the distance and position of the rotor face to one of its positions in the that generates one of its lobes of minimum compression, to the advance of the injection of the vegetable oil. These advances being so much greater, the faster the engine rotates. With the start-up of the rotary engine (warm-up time with the glow plug of the auxiliary pre-combustion chamber and lobe destined for the compression phase and for the case of the engine that does not have an auxiliary chamber, heating of the other lobes of the engine, as well as the heating of the deposited air and vegetable oil and the action of the starter motor), and the start of the mime, the auxiliary pre-combustion chamber where appropriate and lobe intended for the compression phase, they will be hot. When the vegetable oil is injected in the time of almost minimal compression, when one of the rotor faces delimits the lobe of almost minimal compression, the vegetable oil is injected, acquiring temperature of the auxiliary pre-combustion chamber, rotor face and lobe destined to compression, increasing said temperature of the vegetable oil in the time of maximum compression (compression of the aspirated air and of the injected vegetable oil) and before the water injection occurs, that is, before one of the three faces of the rotor delimits the lobe of maximum compression, the temperature at which the used vegetable oil will rise, in these circumstances, will be at least its "critical temperature" and as a maximum temperature, any temperature below its auto-ignition temperature. Then when one of the three faces of the rotor is in a certain position, close to the delimitation of the maximum compression lobe and before reaching it, water injection is carried out in the auxiliary pre-combustion chamber and almost maximum lobe compression, or only in the aforementioned lobe if the engine did not have an auxiliary chamber. When spraying the water or water vapor on the vegetable oil, which as we have said before will be at a certain temperature between its critical temperature and its auto-ignition temperature (without reaching the latter), the main or primary reaction will occur desired, that is, the dissociation of hydrogen from water or fragmentation of the water molecule, said dissociation being understood as a primary or primary chemical transformation or reaction, which is encompassed and chained with a peculiar chemical reaction of hydrolysis of water with esters of the vegetable oil, in such a way that said dissociation of the hydrogen from the water, as well as the peculiar chemical reaction of hydrolysis of the water with the esters of the vegetable oil are practically simultaneous to their combustion. d) The determination of the volumes of fuels to be injected (of vegetable oil and water), in the possible embodiments of the proposed rotary engine, whether or not it has auxiliary pre-combustion chambers or without them, the volume of injected vegetable oil in the auxiliary chamber of pre-combustion and lobe destined to the minimum compression, or volume of vegetable oil injected only in lobe destined to the minimum compression if in the engine there was no auxiliary chamber, in both cases, it will be the injection made in any phase of revolutions of the engine of the present invention and will be made in an approximate proportion or scale between 50% to 99%, with respect to the sum of the total volume of the mixture (vegetable oil plus water). Also being able to perform injections of vegetable oil volumes, whose percentages are even somewhat lower than those said. The volume of water has to be injected into the auxiliary pre-combustion chamber and lobe intended for almost maximum compression, or the volume of water has only been injected into the lobe intended for almost maximum compression if there is no auxiliary chamber in the engine, in both cases, it will be the injection made in any phase of revolutions of the engine of the present invention and will be done in an approximate proportion or scale between 1% to 50%, with respect to the sum of the total volume of the mixture (of vegetable oil plus water). Also being able to perform injections of water volumes, whose percentages are even somewhat higher than said. The indices or scales between the percentages that have been previously expressed for vegetable oil and water, are estimates and approximate and never limiting any other percentage that could be used, since these percentages will vary depending on the different technical relationships with the that the rotary motor be configured, such as; the compression ratio, the expansion ratio and the stoichiometric ratio. Therefore, within the limits or scales indicated above, the percentages of vegetable oil and water may be used, more suitable for each specific case of the engine of the present invention, depending on the technical characteristics with which it is manufactured. e) The determination and detailed description of the basic guidelines in which the aforementioned chemical reactions are developed in the rotary engine of the present invention, whether or not it has auxiliary pre-combustion chambers. As we know, vegetable oils or triglycerides are organic compounds that consist of esters formed by three molecules of unsaturated fatty acids (oleic acid) and one molecule of alcohol (glycerin). And therefore, we can say that an ester is a compound formed by the combination of a fatty acid with glycerin. Well, the basic guidelines in which the aforementioned chemical reactions are developed will be determined and described in the following lines; When vegetable oil is heated by the means described above, that is, with glow plugs, compression of air and vegetable oil (through one of the three faces of the rotor) located or entered the air and vegetable oil in an auxiliary pre-combustion chamber and lobe intended for almost maximum compression or only entered (vegetable oil and water) to said lobe if the engine did not have an auxiliary chamber (manufactured or coated said chamber and elements that delimit the lobe, of the aforementioned materials for the engine of the present invention), until the vegetable oil reaches its "critical temperature" or higher temperatures (without reaching its auto-ignition temperature), the vegetable oil decomposes releasing its ester chains . Under these circumstances, when water or water vapor is sprayed on the vegetable oil, the oil esters (oil molecules) react with the water (water molecules, H ₂ 0), dissociating (electrolytic dissociation of the water molecule) or said water molecule fragmenting, on the one hand, as a hydrogen atom or H ⁺ proton, positively charged and being dissociated or released with respect to the oxygen atom, at the bond with the oxygen atom is broken, and on the other hand it is fragmented as negatively charged hydroxyl ions ^" , so that the fragmented water molecules react with the esters of the vegetable oil, thus also encompassing a reaction in the process hydrolysis chemistry, reaction of water with esters of vegetable oil, such that the ester molecules dissociate into two fragments, one of which reacts with H ⁺ (hydrogen) atoms or protons of the dissociated water molecule to form the carboxylic acid, and the other does it with the hydroxyl ions OH ^" to form alcohol, producing the said chemical reactions practically simultaneous, and characterizing said reactions, because the said dissociation of hydrogen from water (electrolytic dissociation), as well as the reaction Hydrolysis chemistry, of the water with the esters of the vegetable oil are carried out practically simultaneous to their combustion. Therefore, the final reaction produced, we could say that it would be a peculiar type of saponification reaction whose final result is the combustion of the mixture. At the temperature of the vegetable oil at which the chemical reaction occurs (between its critical temperature and its self-ignition temperature), the heat energy released by the breakage of the bonds of the hydrogen atoms with the atom of hydrogen must be added oxygen of the water molecule, as well as the heat given off from the aforementioned hydrolysis reaction, reaching at this stage of the reaction, a temperature higher than the self-ignition temperature of hydrogen, vegetable oil, and where appropriate the carboxylic acids and decomposed alcohols, producing spontaneous combustion of the entire mixture. Whose combustion, we use to operate the rotary engine proposed in the present invention.

2.- Rotary engine that uses alternative fuels for its operation according to the first claim, characterized in that its fuel injections, both from vegetable oil and water, are made directly in the lobe of the engine destined for the compression time or phase, without that there is no auxiliary precombustion camera. Therefore the special injector for vegetable oil (19), the special injector for water (20), as well as the glow plug or glow plugs (18), will be located in the stator (2a) of the engine, locating the special injectors ( 19) and (20) in the lobe corresponding to the compression time and the glow plugs (18) located and distributed in addition to the compression lobe, in the remaining lobes belonging to the intake, combustion and exhaust times, and even in the air intake duct (14) if necessary, all in order to heat the inside of the rotary engine for start-up. Also understanding; a particular start-up system for starting the engine, about peculiar electrical and combustion systems, a peculiar safety valve against excessive pressures (16), special injector for vegetable oil (19) and special injector for water (20), both located in the lobe corresponding to the compression phase or time, special or manufactured coating of special material (21) of the surface that delimits the inner hollow (3) in the form of eight of the stator (2a) and side walls (4a) thereof, special coating or manufactured of special material (22) of Some essential elements that make up said engine, such as the three faces (6) of the rotor (5) and its slits (7), the air intake duct (14), and the exhaust duct (15).

3. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the triangular rotor (5) on its faces (6), the surface of its grooves (7) may be, parallel to the dummy plane which passes tangent to the face (6) of the rotor (5) and which contains the line that transversely divides the face (6) into two equal parts.

4. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the safety valve against excessive pressures (16) consists of a device comprising; a conduit (17) made in the upper part of the stator that communicates at one of its ends with the lobe where the maximum compression time or phase of the engine will occur and at the other end it communicates with the exhaust duct (15) of the motor through a sleeve (24). In the part closest to the lobe where the time or phase of maximum compression of said duct (17) that is part of the stator will occur, a metal piece (29) is located whose shape is characterized by a small sphere and a small cylinder that they intersect centrally, that is, the axis of the cylinder parallel to its generatrices intercepts the sphere at its center, the diameter of the sphere being greater than the diameter of the cylinder. Said piece (29) sits on its spherical part on a seat located in the duct (17), keeping in this part the duct (17) closed, when said piece (29) is pressed by a spring or spring (30) which sits on the spherical surface of said metal part (29) and that its internal diameter is tangent (with some clearance) to the cylinder of the spherical-cylindrical part (29), the spring (30) being at its other end pressed by a screw (23) with a tubular shape, that is, that inside this hollow, said screw (23) having a seat for the spring (30), thread to be screwed to the stator and nozzle or mouth to connect with sleeve or tube (24) that communicates with the exhaust duct (15). The safety valve against excessive pressures (16) is constituted in this way, when the pressure in the lobe where the maximum compression time or phase will occur is propagated from a predetermined value, the spherical-cylindrical piece (29) will rise from its seat, leaving open the communication duct (17) existing between said lobe and the exhaust duct (15), and consequently letting an air flow through said duct (17) compressed from the lobe that contains the maximum pressure to the exhaust duct (15), in order to maintain the necessary and required pressure in the lobe. In those cases of design of the present engine where the pressure in the lobe where the maximum compression time or phase will occur does not exceed the predetermined pressure, the installation of said safety valve (16) will not be necessary.

5. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that it comprises in each of the divisions of the inner hollow (3) of the engine stator, a special injector for vegetable oil (19) that in its nozzle the holes or diffusers (38) of its outlet nozzle (34), where the vegetable oil comes from the injector (19), will be of a diameter or diameters, whose dimension will be different from that of the current injectors, the injection needle (35) that sits on the nozzle (34), will have at its tip (36) a conicity angle different from the needles of the current injectors, and also the inner wall (37) of the nozzle (34 ) near the tip (36) of the injection needle (35) will have a different taper angle than in the case of current injectors, also the injection time of these injectors governed by the electronic control unit, will be different to used by the current injectors, in such a way that the volume of fuel (of vegetable oil) in the injection made in any phase of revolutions of the engine of the present invention, will be done in an approximate proportion or scale between 50% to 99% , with respect to the volume of fuel that will be used by the rotary gasoline engine (equivalent in mechanical power), in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (of vegetable oil plus water ). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible.

6. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that it comprises in each of the divisions of the inner hollow (3) of the motor stator, a special water injector (20) that in its nozzle the holes or diffusers (41) of its outlet nozzle (34), where the water comes from the injector (20), will be of a diameter or diameters, whose dimension will be different from that of the current injectors, the needle of Injection (35) that sits on the nozzle (34), will have at its tip (39) a conicity angle different from the needles of the current injectors, and also the inner wall (40) of its nearby nozzle (34) at the tip (39) of the injection needle (35) they will have a different taper angle than in the case of current injectors, also the The injection time of these injectors governed by the electronic control unit, will be different from that used by the current injectors, so that the volume of fuel (water) in the injection made at any stage of engine revolutions of the This invention will be made in an approximate proportion or scale between 1% and 50%, with respect to the volume of fuel that will be used by the gasoline rotary engine (equivalent in mechanical power), in one of its aspirations in its admission time , or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). All this without prejudice to any other injector and injection percentages other than those, and which are technically permissible.

7. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that its injection system for vegetable oil (42) will use the special injectors for vegetable oil (19), and one or more heaters (48 ) so that at the start of the engine, the vegetable oil enters previously hot, approximately between 70 ⁵ C and 80 ⁵ C, also the injection time that governs the electronic control unit (56), will be different from that used by the injectors current, in such a way that the volume of fuel (of vegetable oil) in the injection made in any phase of revolutions of the engine of the present invention, will be made in an approximate proportion or scale between 50% to 99%, with respect to to the volume of fuel that the gasoline rotary engine will use (equivalent in mechanical power), in one of its aspirations in its admission time, or with respect to the sum of the total volume of the mixture (vegetable oil plus water). Also being able to perform injections of vegetable oil volumes, whose percentages are somewhat lower than said, provided that the combustion of the mixture is carried out effectively.

8. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that its water injection system (59) will use the special injectors for water (20), also the injection time that governs the electronic control unit (72), will be different from that used by current injectors, so that in this injection system, the volume of fuel (water) in the injection made at any stage of engine revolutions of the present The invention can be done in an approximate proportion or scale between 1% and 50%, with respect to the volume of fuel that will be used by the gasoline rotary engine (equivalent in mechanical power), in one of its aspirations in its admission time , or with respect to the sum of the total volume of the mixture (of vegetable oil plus water). Also being able to perform also, injections of water volumes, whose percentages are somewhat higher than those, provided that the combustion of the mixture is carried out effectively.

9. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that in its combustion system, it does not need carburetor, ignition switch, spark plugs, and because it uses two or more special injectors for each division of the internal hole (3) of the engine stator (or by the number of rotors that the motor contains), and at least one for vegetable oil (19), and another for water (20), which will inject fuel alternatively well into an auxiliary pre-combustion chamber (27) and in the lobe corresponding to the compression phase or directly the injections will be made in the lobe corresponding to the compression phase in the event that there is no auxiliary pre-combustion chamber, said chambers (27) being manufactured and faces (6) of the rotor (5), of special material or with a special coating (22), and the surface of the inner recess (3) of the stator made of special material or with a special coating (21). Injecting vegetable oil first, in an approximate proportion or scale with respect to the total injected volume of vegetable oil plus water, between 50% and 99% in volume injected in each combustion, at the time or phase of almost minimal compression , and then the water injection will be done, in an approximate proportion or scale between 50% and 1% in volume injected in each combustion, in the time or phase of almost maximum compression. Being able to vary these proportions in the desired percentages, as long as the combustion of the mixture is carried out effectively. The sum of the volume of vegetable oil plus water injected in a combustion in the engine of the present invention, will be similar or equal to the volume of fuel that the rotary gasoline engine will use in one of its aspirations at its intake time, logically attending to the parameters of power and speed of rotation of the motor, analogous for both engines.

10. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that in its electrical system it comprises at least a first electronic control unit (56), which controls the timing of the multipoint injection of vegetable oil , being able to govern the injectors (19) so that the sequential injection in each division or sector of the inner hole (3) of the engine stator, is carried out in the phase or time of almost minimal compression, at the right time and necessary frequencies, depending on the speed of rotation of the motor, having the necessary sensors (57) and probes, located in the places that are needed, such as on the motor shaft (12), as well as the necessary actuators or activators (58) for this function, or the incorporation of any other device that is necessary, and a second electronic control unit (72), similar to the first one, that controls and regulates the synchronization of the multipoint water injection, being able to govern the injectors (20) so that the sequential injection in each division or sector of the inner hollow (3) of the engine stator , be carried out in the phase or time of almost maximum compression, at the right time and necessary frequencies, depending on the speed of rotation of the engine, having the necessary sensors (73) and probes, located in the places that are needed, as for example in the motor shaft (12), as well as the actuators or activators (74) necessary for this function, or the incorporation of any other device that is necessary. Also with respect to the probes and situations or positions of their terminal sensors on the motor shaft (12) of the engine, valid to establish the moments of injection of vegetable oil or water, their positions can be determined, due to the transmission ratio of the fixed pinion (1 1) and the toothed wheel (10) of the rotor (5), so that the drive shaft (12) turns three times while the rotor (5) makes one, this means that at each turn of the shaft engine (12), at a given time and position thereof, one of the faces (6) of the rotor (5) will be positioned in the lobe where the time of almost minimal compression will occur (at which time the vegetable oil will be injected) , and in another determined position of the motor shaft (12) in that same turn, the said face (6) of the rotor (5) will be positioned in the lobe where the time of almost maximum compression will occur (at which time the water will be injected ). And so repeatedly on the next two other faces (6) of the rotor (5). Therefore, the positions where the probes with their respective sensors in relation to the motor axis (12) can be determined, in order to determine the successive moments and times in which the respective injections, both of vegetable oil and water, will be applied.

11. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the glow plugs or heating plugs (18), their electrical resistance will be robust enough to raise the air and oil temperature plant deposited in the auxiliary pre-combustion chamber (27) where appropriate and corresponding lobe, or lobes of the engine in the case that there was no auxiliary pre-combustion chamber, at the time of heating for the start of the engine, at a temperature of approximately 210 ⁵ C (or somewhat lower depending on the type of vegetable oil used). If necessary, in each auxiliary chamber (27) and lobe where appropriate, or in the lobes in the case that there is no auxiliary pre-combustion chamber (27) of the engine of the present invention, more than one glow plug may be placed (18).

12. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that its start-up system for starting the engine, mainly comprises in its operation several aspects to be detailed, and which are described below. ; when the start-up switch is operated on its first position (heating position), in addition to closing the electrical circuits that supply the electrical energy to the glow plugs (18) and fuel heaters (48) and (65), a third electrical circuit is then activated at a certain time regulated by a timer clock, which activates an electric fuel priming pump (55), positioned and submerged in the vegetable oil tank (53), and communicating through the ducts (50) and (51) with the accumulator manifold (45) of the vegetable oil injection system (42), allowing said manifold (45) sufficient pressure for the injectors (19) (electrically activated) through the holes or diffusers (38) of its nozzle (34 ) can carry out one or several simultaneous injections in the different auxiliary pre-combustion chambers (27) and lobes where the minimum compression time or phase will occur, or said injections are made directly and in the aforementioned lobes in the event that there were no auxiliary pre-combustion chambers (27), all in the warm-up time of the glow plug (18), without the need for the starter motor to be operated, and by consequently without the high pressure injection pump (43) being operated. A fourth electrical circuit activated simultaneously and in the same way as the third, will activate the injectors (19), so that they simultaneously inject vegetable oil. The needle (35) that closes and opens the nozzle (34) of the injector (19), will be lifted by electromagnetism, hence the existence of this fourth circuit, therefore the electromagnets of the injectors for vegetable oil (19), may be operated by the circuit mentioned above, as well as when this circuit is deactivated, may be operated by another circuit that governs an electronic unit (56). It will be preferable in the warm-up time, a long time injection (of vegetable oil), quickly activated at the beginning of the heating, than several alternate injections, for this, there will be available in this fourth electrical circuit, an automatic switch or timer that disconnects said circuit after a certain time, of the electricity supplied by the battery. Said switch may be of any type existing on the market such as watches or timers that can meet the desired requirements. Thus, when the start-up switch is operated in its second position (starting position), three of the four previous circuits are disconnected, only the glow plug circuit (18) being connected, and in turn connecting three other circuits, one of them governs the synchronized and sequential injection of the injectors for vegetable oil (19) through an electronic unit (56), another governs the synchronized and sequential injection of the water injectors (20) through another electronic unit (72), and the third circuit will start the starter motor, and with this, the high pressure pumps (43) and (60) (one for vegetable oil and one for water), the shaft will be operated motor (12), flywheel, etc. Under these circumstances, and with a rich volume of vegetable oil in each of the auxiliary chambers of precombustion (27) and corresponding lobe, and where appropriate in each lobe where the minimum compression time or phase will occur (in case there is no auxiliary precombustion chamber), the aspirated air and the injected vegetable oil will have heated through the glow plugs (18) at a temperature between 160 ^Q centigrade and 210 ⁵ C, and further heated when one of the rotor faces (5) comes close to delimiting the lobe where time or phase will occur of maximum compression, the vegetable oil must arrive in this phase, to be heated at a minimum to its critical temperature, approximately between 160 degrees Celsius and 210 ⁵ C. depending on the type of vegetable oil we use. Then when water or water vapor is injected into the auxiliary precombustion chamber (27) and in the lobe where the time or phase of almost maximum compression will occur, or if appropriate only in said lobe (if there is no auxiliary precombustion chamber ( 27)), the whole mixture ignites, burning spontaneously, and thus getting the engine started. Once the rotary engine of the present invention has been started, the starter motor circuit, as well as the glow plug circuit (18), will be automatically disconnected.

13. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or made of special material (21), of the surface that delimits the inner hollow (3) in the form of eight of the Stator and side walls thereof, may be molded or made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel.

14. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or made of special material (21), of the surface that delimits the inner hollow (3) in the form of eight of the stator and side walls thereof, they can be manufactured or molded with cast iron material, and subsequently a nickel coating will be incorporated into the interior surfaces.

15. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or manufactured of special material (21), of the surface that delimits the inner hollow (3) in the form of eight of the Stator and side walls thereof, can be manufactured or molded with cast material, and subsequently to the interior surfaces a ceramic coating or a vitrified or vitro-ceramic enamel will be incorporated.

16. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or manufactured of special material (22) of some essential elements that make up said rotary engine such as, the three faces ( 6) of the rotor (5) and its grooves (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary pre-combustion chamber (27) and its nozzle (28) where appropriate, if it exists, they will be made of stainless steel, either with an alloy of iron, carbon, chromium and nickel, or whose alloy is made only with, iron, carbon and nickel.

17. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or made of special material (22) of some essential elements that make up said rotary engine such as, the three faces ( 6) of the rotor (5) and its grooves (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary pre-combustion chamber (27) and its nozzle (28) where appropriate, if it exists, they can be made of steel with a nickel coating.

18. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or manufactured of special material (22) of some essential elements that make up said rotary engine such as the three faces ( 6) of the rotor (5) and its grooves (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary pre-combustion chamber (27) and its nozzle (28) where appropriate, if it exists, they can be made of aluminum or steel with a special coating of several layers of polytetrafluoroethylene.

19. - Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that the special coating or manufactured of special material (22) of some essential elements that make up said rotary engine such as the three faces ( 6) of the rotor (5) and its grooves (7), the intake duct (14), the exhaust duct (15), as well as the auxiliary pre-combustion chamber (27) and its nozzle (28) where appropriate, if it exists, they can be made of steel with a ceramic coating or vitrified enamel or Vitro-ceramic.

20. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that it comprises two independent tanks for fuel, one for vegetable oil (53) and one for water (70).

21. Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that it comprises two independent injection systems, one for vegetable oil (42) and one for water (59).

22.- Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that in its advances to the injection the necessary time parameters in which the chemical reactions (electrolysis and hydrolysis) are obtained must be provided and measured. ), as well as the propagation and inflammation time of the total combustion mixture. Since the combustion of the entire mixture, in fact it is not done instantaneously, if it is progressively inflamed, it is true that it will be done very quickly, but with a minimum delay, to all this, the injection times must be added of vegetable oil and water, governed by the electronic control units (56) and (72) (both of them connected to their respective probes and sensors, which will determine the position of the drive shaft (12) at a given time and therefore the position of the rotor (5)) that will provide the advance to advance the injection of vegetable oil in its moment and the advance to advance the injection of water in its moment, so that the combustion of the mixture occurs without delay, and providing that the entire combustion expansion force be applied successively and alternately on each of the three faces (6) of the rotor (5). Said advances to the injection will be made proportionally to the speed of rotation of the engine, so that said advances will be much greater, the faster the motor of the present invention rotates.

23.- Rotary engine that uses alternative fuels for its operation according to claims 1 and 2, characterized in that its advance to the injection consists in the fact that the injection of vegetable oil will be carried out well in a special auxiliary pre-combustion chamber. (27) and in the lobe corresponding to the compression phase or directly in the lobe corresponding to the compression phase if there is no auxiliary pre-combustion chamber (27), in the time or phase of practically minimal compression when one of the faces ( 6) of the rotor (5) the compression time is beginning, and the water injection is performed well in said special pre-combustion auxiliary chamber (27) and in the lobe corresponding to the compression phase or time or directly in said lobe if there is no auxiliary pre-combustion chamber (27), just before the aforementioned rotor face (6) is positioned in the lobe of maximum compression. Depending on the position of the face (6) of the rotor (5) at the time of the water injection to the advance of the water injection, and also depending on the position of the face (6) of the rotor (5) at the time of oil injection, to the advance of vegetable oil injection. Such advances being so much older, the faster you turn the engine. All this regulated by the two electronic control units (56) and (72) of the injection systems (42) and (59) (one for vegetable oil, and the other for water), which through its sensors (57) and (73) of their respective probes, as well as their actuators or activators (58) and (74), will determine the parameters suitable at all times, for advances to the injection, both for vegetable oil and for water .

24.- Rotary engine that uses alternative fuels for its operation according to the first claim, characterized in that in its operation it comprises the following particularities in the development and configuration of some of its times:

- At the time of admission, this embodiment (1) of the rotary engine is characterized in that in this phase, the sucked air (75) from the intake duct (14), is conducted through the intake lobe or lobes (76) to the special auxiliary pre-combustion chamber (27), when the vertex C of the AC face of the rotor (5) passes through the mouth or port of the intake duct (14).

- In the compression time, this embodiment (1) of the rotary engine is characterized in that in this phase, the injection of vegetable oil (77) is carried out by the special injector (19) shared in the auxiliary pre-combustion chamber ( 27) and in the lobe corresponding to the phase of almost minimal compression (78) on the AC face of the rotor (5), and while the rotor (5) and its face AC rotate from the delimited lobe of almost minimal compression (78) until the maximum compression lobe (79) delimits the air and vegetable oil deposited in the auxiliary pre-combustion chamber (27) and on the AC side of the rotor (5), when compressed, they heat up and rapidly increase their temperatures, reaching vegetable oil a temperature between its critical temperature and its auto-ignition temperature, but without reaching the latter, then and shortly before the AC face of the rotor (5) reaches to delimit the maximum compression lobe (79) , the injection is done Shared water (80) on the auxiliary pre-combustion chamber (27) and on the AC face of the rotor (5) (on the vegetable oil), said injection being supplied by the special injector (20), at which point the reactions begin chemical (electrolysis and hydrolysis) and ignition of the mixture. The safety valve against excessive pressures (16) may be kept closed or momentarily open if the pressure in the maximum compression lobe (79) exceeds the predetermined pressure indices.

In the combustion time, this embodiment (1) of the rotary engine is characterized in that in this phase, when the air and the vegetable oil are mixed with the water in the previous percentages and environmental conditions and of temperature required, the chemical reactions of electrolysis and hydrolysis occur, obtaining them practically simultaneously to the combustion (81) of the mixture, and all the expansive force due to combustion gases (81) concentrated in a minimum volume in the auxiliary pre-combustion chamber (27) and in the lobe corresponding to the time or phase of maximum compression (79), is applied to the AC face rotor (5), pushing and turning or turning with great force in the direction of rotation of the rotor (5).

25.- Rotary engine that uses alternative fuels for its operation according to claim 2, characterized in that in its operation it comprises the following particularities in the development and configuration of some of its times:

In the compression time, this second embodiment (1 a) of the rotary engine is characterized in that in this phase, the injection of vegetable oil (85) is carried out by the special injector (19) directly in the lobe corresponding to the almost minimum compression phase (86) on the DF side of the rotor (5), and while the rotor (5) and its DF face rotate from the delimited almost minimum compression lobe (86) to delimit the maximum compression lobe (87 ), the air and vegetable oil deposited on the DF side of the rotor (5), when compressed, quickly heat up and increase their temperatures, the vegetable oil reaching a temperature between its critical temperature and its self-ignition temperature, but without reaching the latter, then and shortly before the DF face of the rotor (5) reaches to delimit the maximum compression lobe (87), water injection (88) is performed on the DF face of the rotor (5 ) (on vegetable oil), supplied d Injection by the special injector (20), starting at this point the chemical reactions (electrolysis and hydrolysis) and ignition of the mixture. The safety valve against excessive pressures (16) may be kept closed or momentarily open if the pressure in the maximum compression lobe (87) exceeds the predetermined pressure indices.

In the combustion time, this second embodiment (1 a) of the rotary engine, is characterized in that in this phase, when mixed in the previous compression phase, the air, and the vegetable oil with the water in the predicted percentages and required environmental and temperature conditions, the chemical reactions of electrolysis and hydrolysis occur, obtaining them, practically simultaneously with the combustion (89) of the mixture, and all the expansive force due to the combustion gases (89) concentrated in a minimum volume in the lobe corresponding to the time or phase of maximum compression (87), is applied on the rotor face DF (5), pushing it and turning it with great force in the direction of rotation of the rotor (5).