WO2010095225A1 - ロータリ内燃機関 - Google Patents
ロータリ内燃機関 Download PDFInfo
- Publication number
- WO2010095225A1 WO2010095225A1 PCT/JP2009/052833 JP2009052833W WO2010095225A1 WO 2010095225 A1 WO2010095225 A1 WO 2010095225A1 JP 2009052833 W JP2009052833 W JP 2009052833W WO 2010095225 A1 WO2010095225 A1 WO 2010095225A1
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- WIPO (PCT)
- Prior art keywords
- valve
- rotor
- shut
- cylinder
- internal combustion
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
- F01C1/356—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/08—Rotary pistons
- F01C21/0809—Construction of vanes or vane holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/10—Fuel supply; Introducing fuel to combustion space
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/02—Pistons
- F02B55/04—Cooling thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/14—Shapes or constructions of combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2250/00—Geometry
- F04C2250/20—Geometry of the rotor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to a rotary internal combustion engine.
- Wankel cycle Conventionally, various studies have been conducted on a rotary internal combustion engine in which the combustion pressure directly rotates the piston head. One of them is the so-called Wankel cycle.
- Patent Document 1 discloses a rotary engine in which a substantially triangular rotor is accommodated in a bowl-shaped housing having an inner peripheral surface of a trochoid curve.
- the present invention has been made in view of the above-mentioned technical problems, and the object is as follows. That is, in the cylinder, the radial direction of the cylinder space is shut off by the shut-off valve in synchronization with the rotation of the rotor. As a result, an air-fuel mixture or high-pressure air and fuel are injected into the combustion chamber, which is a sealed layer formed between the rotor blades and the shut-off valve, and ignition or ignition is performed simultaneously with this injection. Then, the rotor and the working shaft fixed to the rotor are directly rotated by the combustion expansion pressure. Furthermore, it aims at the following.
- a coil spring, an elastic body of a spring, or the like is used between a plurality of constituent members in each of the rotor base and the rotor blades constituting the rotor. This makes it possible to adjust the distance over the left and right and top and bottom of the rotor, thereby preventing seizure.
- a rotary internal combustion engine of the present invention includes a cylinder having a cylinder peripheral wall having a lateral valve groove on an inner peripheral surface, an operating shaft that is concentrically held by the cylinder and rotatably held, and a circular shape.
- a rotor base composed of a shell and a rotor blade standing in the radial direction of the rotor base peripheral wall, a rotor fixed to the operating shaft, and a shut-off valve that performs intermittent insertion and return movement between the outside of the cylinder and the cylinder space;
- both ends of the shut-off valve are hermetically held in the two vertical valve grooves on the left and right side lids, and the upper part of the shut-off valve is hermetically held in the side valve groove on the cylinder peripheral wall, and Block
- the lower end surface of the rotor is in airtight contact with the rotor base peripheral wall to form a sliding surface of the rotor base.
- the shut-off valve is immediately inserted into the cylinder space.
- the combustion chamber is a sealed layer formed between the shut-off valve and the rotor blades, and a compressed mixture or compressed air and fuel are injected, and ignition or ignition is performed in the combustion chamber.
- the rotor blades are pressed to directly rotate the operating shaft, release the combustion gas into the exhaust hole, and the shut-off valve returns to the outside of the cylinder to prepare for the next stroke. Is completed.
- the radial direction of the cylinder space is shut off by the shut-off valve in accordance with the timing of the rotation of the rotor in the cylinder, thereby forming a sealed layer formed between the rotor blades and the shut-off valve.
- air-fuel mixture or high-pressure air and fuel are injected, and ignition or ignition is performed simultaneously with the injection, and the rotor and the operating shaft fixed to the rotor can be directly rotated by the combustion expansion pressure.
- the distance between the left and right sides and the top and bottom of the rotor is adjusted by using coil springs, springs, etc. between a plurality of components in each of the rotor base and rotor blades constituting the rotor. By making it possible, baking can be prevented.
- 1 is a partial cross-sectional view of a rotary internal combustion engine according to a first embodiment of the present invention.
- 1 is a partial cross-sectional view of a rotary internal combustion engine according to a first embodiment of the present invention.
- or (d) is a figure for demonstrating the mode of rotation of the rotor blade
- 1 is an exploded perspective view of a rotor of a rotary internal combustion engine according to a first embodiment of the present invention.
- or (c) is a figure which shows an example of notching etc. FIG.
- (A) And (b) is a figure which shows other examples, such as cutting.
- (A) And (b) is a figure which shows the structure which provided the ski in the sealing board. It is a partial cross section figure of the rotary internal combustion engine which concerns on the 2nd Embodiment of this invention. It is a partial cross section figure of the rotary internal combustion engine which concerns on the 2nd Embodiment of this invention. It is a partial cross section figure of the rotary internal combustion engine which concerns on the 3rd Embodiment of this invention. It is a partial cross section figure of the rotary internal combustion engine which concerns on the 3rd Embodiment of this invention. It is a partial cross section figure of the rotary internal combustion engine which concerns on the 4th Embodiment of this invention.
- the rotary internal combustion engine is shown as a principle in which the operating shaft is installed horizontally.
- the description will be made with reference to the drawings.
- the axis of the operating shaft is down, and the inner circumferential wall direction is up. This applies in particular to any rotation angle of the rotor.
- the front-rear relationship of the rotary internal combustion engine is such that the direction of travel after passing through the side valve groove of the shutoff valve is the front while the rotor rotates.
- the “sealing layer” is a space formed between the rotating rotors by the shutoff valve shutting off the cylinder circumferential space.
- the hermetic layer and the combustion chamber are the same, and the period before air and fuel are injected is called the hermetic layer.
- the “seizure prevention distance” is a distance that prevents burning or the like caused by the heat of combustion and the expansion distance of the member caused by sliding.
- One operation stroke means that a shut-off valve and a rotating rotor in a cylinder form a hermetic layer, fuel or air is injected into the hermetic layer, and the combustion and expansion pressure causes the rotor and the motor to operate by ignition or ignition.
- Opening angle refers to an angle formed between the shut-off valve and the rotor with the axis as a base point when the rotary combustion engine is operating.
- Working distance refers to the distance between the rotor blade and the shutoff valve at the end of one working stroke, and the arc distance measured at the average position of the height of the rotor blade.
- Core refers to the angle at which the inner wall and the left and right side walls touch.
- FIG. 1 is a cross-sectional view of the rotary internal combustion engine according to the first embodiment of the present invention taken along line aa of FIG.
- FIG. 2 shows a cross-sectional view of the rotary internal combustion engine taken along line bb of FIG.
- FIGS. 3A to 3D show the rotation of the rotor blades of the rotary internal combustion engine and how the shut-off valve 31 is opened and closed.
- FIG. 4 is an exploded perspective view of the rotor of the rotary internal combustion engine.
- the operating shaft 3 is passed concentrically with the cylinder 1, and the rotor 10 is fixed to the operating shaft 3. That is, an opening is provided at the center of the rotor 10, and the operating shaft 3 is passed through the opening, and both are fixed.
- the rotor 10 includes a rotor base 11 made of a circular shell and rotor blades 20 standing in the radial direction of the rotor base peripheral wall 13.
- the rotor base 11 and the rotor blade 20 are integrally formed.
- Bearings 15 arranged at the center of the circle of the side lid 2 attached to the left and right end faces of the cylinder 1 support the operating shaft 3, respectively.
- a bearing 17 is provided between the bearing 15 and the operating shaft 3 in order to facilitate the rotation of the operating shaft 3.
- both sides of the rotor base 11 and all of the outer edges of the rotor blades 20 are in airtight contact with the left and right side inner walls 5 and the cylinder peripheral wall 4. This contact state is maintained at any rotation angle of the rotor 10 as the operating shaft 3 rotates.
- the shut-off valve 31 is mechanically connected to the valve reciprocating mechanism 61 via the valve mounting bar 43.
- the shut-off valve 31 performs an intermittent movement between insertion and return between the outside of the cylinder 1 and the cylinder space 8 by the driving force of the valve reciprocating mechanism 61.
- the shut-off valve 31 is accommodated in the casing 45.
- both ends of the shut-off valve 31 are airtightly held in the two vertical valve grooves 40 provided in the left and right side lids 2.
- the upper part of the shut-off valve 31 is airtightly held in a side valve groove 41 provided in the cylinder peripheral wall 4.
- the lower end surface of the shutoff valve 31 is in airtight contact with the rotor base peripheral wall 13 to form a sliding surface of the rotor base 11.
- the reciprocating distance of the shut-off valve 31 is shorter than the rotational distance of the rotor 10, it can be said that the speed capability is sufficiently ensured (the same applies to other embodiments).
- shut-off valve 31 In operation of the rotary internal combustion engine, when the rotor blade 20 passes the position of the shut-off valve 31, the shut-off valve 31 is immediately inserted into the cylinder space 8 by the valve reciprocating mechanism 61 to shut off the radial direction of the cylinder space 8 (FIG. 3 ( a)). Along with this, a sealed layer formed between the shut-off valve 31 and the rotor blade 20 is used as the combustion chamber 9, and compressed mixture or compressed air and fuel are injected from the injection nozzle 6 facing the cylinder space 8, and the combustion chamber 9 ignites or ignites with the spark plug 7. Note that switching of ignition or ignition by the spark plug 7 is controlled by a switching pointer 50.
- the combustion expansion pressure generated thereby presses the rotor blade 20 with the shut-off valve 31 as an action base point to directly rotate the operating shaft 3 (see FIGS. 3B and 3C).
- the combustion gas is discharged into the exhaust holes 42 at appropriate positions on the side inner wall 5 or the cylinder peripheral wall 4 near the end of one rotation of the rotor 10 (see FIG. 3D), and in preparation for the next stroke,
- the valve reciprocating mechanism 61 returns the shut-off valve 31 to the outside of the cylinder 1 to complete one operation stroke.
- the combustion chamber 9 is formed in the cylinder space 8 and the combustion expansion pressure directly rotates the rotor 10 and the operating shaft 3 with the shut-off valve 31 as an action base point.
- the exhaust hole 42 is provided with a transition plate 29 for smooth movement of the rotor blades 20.
- the shut-off valve 31 shown in FIG. 1 has a so-called “longitudinal insertion” configuration in which the circumferential space of the cylinder 1 is taken in and out in the radial direction.
- the problem mentioned above does not occur because it goes up. Therefore, it is not necessary to form the rotor base peripheral wall 13 in a cam shape in the return time zone of the shutoff valve 31.
- the lower end surface of the shut-off valve 31 and the rotor base peripheral wall 13 are formed by shortening the radial distance of the rotor base 11 in accordance with the time of insertion of the shut-off valve 31 into the cylinder space 8 and forming it into a cam shape. Can prevent the impact and interference of each other, and can start the smooth sliding of each other.
- the adjustment valve 33 is provided under the valve body 32 of the shutoff valve 31, and the distance between them is adjusted using an elastic body (or a leaf spring) such as a coil spring 35a.
- an elastic body or a leaf spring
- the thermal expansion distance that occurs when the shut-off valve 31 is operated is absorbed to prevent seizure between them.
- the airtightness of the lower end surface of the shut-off valve 31 and the sliding surface of the rotor base peripheral wall 13 is enhanced by the stress of the coil spring 35a and the like.
- the adjustment valve 33 is provided under the shut-off valve 31 so that the vertical distance between the two can be adjusted by an elastic body such as a coil spring 35a, so that the lower end surface of the shut-off valve 31 and the rotor base peripheral wall can be adjusted. 13 can be prevented, and sliding between the two can be made appropriate.
- the rotor base 11 is divided into a plurality of parts on the left and right. That is, it is set as the structure provided with the side rotor base 12 on either side. An appropriate interval is provided between the divided portions so that the thermal expansion distance of the rotor base 11 can be adjusted, and the left and right distances can be adjusted between the divided portions using an elastic body such as a coil spring 35c.
- a plate spring may be used instead of the coil spring 35c.
- FIGS. 6 (a) and 6 (b) An example of this notching and phase missing is shown in FIGS. 6 (a) and 6 (b). Thereby, both overheating baking is prevented and the appropriate contact between facing walls is maintained.
- the hole of the pin 38 a of the side rotor base 12 is a floating hole with respect to the pin 38 a attached to the rotor base 11. According to the above configuration, the sliding between the left and right side surfaces of the rotor 10 and the contact wall can be made appropriate.
- the rotor blade 20 is integral with the rotor base 11, but paying attention to the difference in shape and function, it is possible to prevent seizure by an individual method. Take measures. That is, the upper top part and both side end surfaces of the blade base plate 21 are formed with an interval of a seizing prevention distance between the cylinder peripheral wall 4 and the left and right side inner walls 5.
- the rear surface of the blade base plate 21 is formed into a flat surface, and has a rectangular base 25 that faces upward from the lower center of the plane of the blade base plate 21.
- Side seal plates 22 are disposed on the left and right sides of the base plate 25, respectively.
- a top seal plate 23 and corner seal plates 24 are provided at both upper corners.
- Each of the seal plates 22 to 24 closes the seizing prevention distance provided between each outer end of the above-described blade base plate and each facing wall and is in contact with the nectar on the facing wall.
- Each of the above-described sealing plates 22 to 24 has an inner end face provided with an appropriate interval on the base 25, and the interval is adjusted by using coil springs 34, 35b or a leaf spring.
- the respective seal plates 22 to 24 are appropriately pressed to make the mutual contact between the respective seal plates 22 to 24 and the cylinder peripheral wall 4 and the side inner wall 5 which are facing walls more reliable.
- the seal plates 22 to 24 are kept airtight across the rotor blades 20 by joining by means of the phase-notch shown in FIGS. 6 (a) to (c).
- the parts such as the above-described seal plates are stably held by using the pressing plate 27.
- the pin 38 b is fixed to the bolt 37 via the coil spring 35 d and the nut 36 in a state where the base 25 and the seal plates 22 to 24 are sandwiched between the blade base plate 21 and the holding plate 27.
- a small spring that contacts the base 25 at an angle of 45 degrees may be provided at the corner of the corner seal plate 24 on the base 25 side.
- the rotor blades 20 and the rotor blades 20 face each other by adjusting the vertical and horizontal distances of the rotor blades 20 using the coil springs 34 and 35b between the sealing plates 22 to 24 of the rotor blades 20 and the base. Baking between the cylinder peripheral wall 4 and the side inner wall 5 can be prevented, and good sliding between the two can be obtained while maintaining airtightness across the rotor 10.
- each of the seal plates 22 to 24 is depressed or caught in the vertical valve groove 40, the horizontal valve groove 41, the exhaust hole 42, and an oil collection groove (not shown here).
- the following configuration is adopted. That is, as shown in FIGS. 7 (a) and 7 (b), a bar called a ski 28 with an appropriate distance is provided on the seal plate for positioning through the holes and grooves, and the above-described holes are provided. Cross each hole and each groove.
- FIG. 7A shows a configuration in which the ski 28 is provided on the top seal plate 23, and
- FIG. 7B shows a configuration in which the ski 28 is provided on the corner seal plate 24.
- ski 28 In some drawings, the illustration of the ski 28 is simplified. Thus, by providing the transfer levers called skis 28 on the seal plates 22 to 24 of the rotor blades 20 and passing the grooves or holes, the interference between the grooves and the holes and the seal plate can be prevented.
- the rotary internal combustion engine according to the first embodiment of the present invention has the cylinder 1 having the cylinder peripheral wall 4 provided with the lateral valve groove 41 on the inner peripheral surface, and is passed through the cylinder 1 concentrically and freely rotatable.
- the rotor 10 that is held in the radial direction of the rotor base 11 and the rotor base peripheral wall 13, the rotor 10 that is fixed to the operation shaft 3, the outside of the cylinder 1, and the cylinder space 8.
- a side cover 2 provided with a longitudinal valve groove 40.
- both sides of the rotor base 11 and all the outer edges of the rotor blade 20 are in airtight contact with the left and right inner walls, and when the shut-off valve 31 completes insertion into the cylinder space 8, Both ends of the shut-off valve 31 are airtightly held in two vertical valve grooves 40 provided on the left and right side lids 2, and an upper portion of the shutoff valve 31 is airtightly held in a lateral valve groove 41 provided on the cylinder peripheral wall 4.
- the lower end surface of the shut-off valve 31 is in airtight contact with the rotor base peripheral wall 13 to form a sliding surface of the rotor base 11, and immediately after the rotor blade 20 passes through the position of the shut-off valve 31, the shut-off valve 31 is moved into the cylinder space. 8, the radial direction of the cylinder space 8 is shut off, and a compressed air-fuel mixture or compressed air and fuel are injected with the sealed layer formed between the shut-off valve 31 and the rotor blade 20 as the combustion chamber 9. Then, the combustion chamber 9 is ignited or ignited, and further, the combustion expansion pressure presses the rotor blade 20 with the shut-off valve 31 as an action base point to directly rotate the operating shaft 3, and the exhaust gas is burned into the exhaust hole 42. The shutoff valve 31 returns to the outside of the cylinder 1 to prepare for the next stroke, and one operation stroke is completed.
- the radial distance in the rotation angle region W of the circle of the rotor base 11 that matches the timing of insertion into the cylinder space 8 of the shut-off valve 31 is the interference prevention distance H.
- the rotor base peripheral wall 13 is shortened to form a cam shape.
- the shut-off valve 31 includes a valve body 32 and a control valve 33 provided at a lower portion of the valve body 32, and an elastic body is interposed therebetween.
- the distance between the two can be adjusted, and the gap between the two can be adjusted by closing the top or bottom distance by either cutting each other, interlacing, or overlapping. It is characterized by.
- the rotor base 11 is divided into a plurality of parts on the left and right sides, an appropriate interval is provided, and an elastic body or the like is used between the divided parts. It is characterized in that the distance between the left and right can be adjusted by maintaining the airtightness across the front and rear of the rotor 10 by cutting each other between the divided parts, overlapping each other, and the like.
- the rotor blade 20 includes a blade base plate 21, a rectangular base 25 facing upward from the lower center of the plane of the blade base plate 21, A side seal plate 22 disposed on the left and right sides of the base 25, a top seal plate 23 disposed on the top of the base 25, and corner seal plates 24 provided at both upper corners of the base 25.
- the top top and both side end surfaces of the blade base plate 21 are formed with an interval of a seizing prevention distance between the cylinder peripheral wall 4 and the left and right side inner walls 5, respectively, to form a side seal plate 22, a top seal plate 23, and a corner seal plate 24.
- each outer end of the blade base plate 21 and each facing wall closes the seizure prevention distance provided between each outer end of the blade base plate 21 and each facing wall and hermetically contacts the facing wall.
- the side seal plate 22, the top seal plate 23, and the corner seal plate 24 are Inside Each of the surfaces is provided with an appropriate interval on the base 25, and the interval allows the distance between them to be adjusted using an elastic body, and each of the seal plates 22 to 24 is appropriately pressed to each of the seal plates 22 24 to ensure mutual contact between the facing walls 4 and 5, and the side seal plate 22, the top seal plate 23, and the corner seal plate 24 are cut, phased, or overlapped.
- the airtightness over the front and rear of the rotor blade 20 is maintained by the joining by the above.
- the rotary internal combustion engine according to the first embodiment of the present invention is characterized in that each hole and each groove are crossed by using a ski 28 having a predetermined distance on at least one of the respective seal plates 22 to 24. .
- the following effects are produced. That is, the radial direction of the cylinder space 8 is shut off with the shut-off valve 31 in synchronization with the rotating rotor 10, and the high-pressure air and the sealed layer formed by the rotor blades 20 and the shut-off valve 31 are used as the combustion chamber 9.
- the fuel is injected, and the combustion expansion pressure can directly rotate the rotor 10 and the operating shaft 3 with the shut-off valve 31 as an action base point.
- the following points can be pointed out by creating a so-called rotary internal combustion engine in which the rotor 10 rotates.
- the engine is operated by the circular rotation of the rotor without using a rotation mechanism such as a crank or an eccentric shaft, the movement of the machine can be simplified and the mechanical loss can be reduced. Further, as a feature of the rotary internal combustion engine, since the supply of high-pressure air, fuel, etc. is entrusted to a specialized mechanism, the work in the cylinder 1 is shortened to only the combustion expansion stroke, and fuel leakage during operation can be prevented. Furthermore, since the internal combustion engine can be reduced in size by simple assembly, it can be seen that the manufacturing cost is reduced, the mechanical loss is reduced, and the volume and weight of the engine are reduced. Further, since the rotation direction of the rotor 10 is the same, inertia weight loss does not occur.
- the types of fuel used are not limited to gasoline and light oil, but can be applied to natural gas, organic brewing fuel, heavy oil, hydrogen gas, and the like. Further, the internal combustion engine has a high capacity for scale from large to small.
- the surrounding space of the cylinder 1 is cut off and sealed in the radial direction by using the shut-off valve 31, but the impact when the shut-off valve 31 is inserted into the cylinder space, the shut-off valve 31 and the rotor base peripheral wall.
- the radial distance of the rotor base 11 is shortened into a cam shape in accordance with the insertion time zone of the shut-off valve 31, so that the lower end surface of the shut-off valve 31 and the rotor base peripheral wall 13 are formed.
- a control valve 33 is provided under the shut-off valve 31 so that the vertical distance between the two can be adjusted by a coil spring, an elastic body, etc., thereby preventing the lower end surface of the valve and the rotor base peripheral wall 13 from being seized. Furthermore, the sliding between the two is made appropriate.
- the rotor 10 is divided into a plurality of left and right parts and provided in the gap between the divided parts.
- the distance between the left and right sides is adjusted by a spring or the like, and the sliding between the left and right side surfaces of the rotor 10 and the contact wall is made appropriate.
- the vertical and horizontal distances of the rotor blade 20 are adjusted to prevent seizure between the rotor blade and the facing wall. Good sliding between the two is obtained while maintaining airtightness across the front and back.
- FIG. 8 is a sectional view taken along line cc of FIG. 9 of a rotary internal combustion engine according to the second embodiment of the present invention.
- FIG. 9 is a sectional view of the rotary internal combustion engine taken along line ee of FIG.
- the operating shaft 103 is passed concentrically with the cylinder 101, and the rotor 110 is fixed to the operating shaft 103.
- the rotor 110 includes a rotor base 111 made of a circular shell and rotor blades 120 standing in the radial direction of the rotor base peripheral wall 113.
- the rotor base 111 and the rotor blade 120 are formed so as to be integrated.
- Bearings 115 having the operating shaft 103 at the center of the circle of the side lid 102 attached to the left and right end surfaces of the cylinder 101 are supported.
- a bearing 117 is provided between the bearing 115 and the operating shaft 103 in order to smoothly rotate the operating shaft 103.
- the shut-off valve 131 is mechanically connected to the valve reciprocating mechanism 161 via a valve push rod 144.
- a control valve 133 is provided below the valve body 132 of the shut-off valve 131.
- the plain bearing 158 is provided to facilitate the driving of the shut-off valve 131 by the valve push rod 144.
- the shut-off valve 131 performs an intermittent motion of insertion and return between the outside of the cylinder 101 and the cylinder space 108 by the driving force of the valve reciprocating mechanism 161. When returning, the shut-off valve 131 is housed in the casing.
- the upper part of the shut-off valve 131 is hermetically held in a side valve groove provided on the cylinder peripheral wall, and the lower end surface of the shut-off valve 131 is in air-tight contact with the rotor base peripheral wall 113 and the sliding surface of the rotor base 111 is made.
- shut-off valve 131 When the rotary internal combustion engine is operated, when the rotor blade 120 passes the position of the shut-off valve 131, the shut-off valve 131 is immediately inserted into the cylinder space 108 by the valve reciprocating mechanism 161, and the radial direction of the cylinder space 108 is shut off.
- a compression layer or a compression mixture supplied from the compression mixture supply mechanism 147 from the injection nozzle 106 facing the cylinder space 108 is formed with a sealed layer formed between the shut-off valve 131 and the rotor blade 120 as the combustion chamber 109. Air and fuel are injected, and ignition or ignition by the spark plug 107 is performed in the combustion chamber 109.
- the combustion expansion pressure generated thereby presses the rotor blade 120 with the shut-off valve 131 as an action base point to directly rotate the operating shaft 103.
- the rotor 110 discharges combustion gas to the exhaust hole 142 near the end of one rotation, and the valve reciprocating mechanism 161 returns the shut-off valve 131 to the outside of the cylinder 101 to prepare for the next stroke. finish.
- the combustion chamber 109 is formed in the cylinder space 108, and the combustion expansion pressure directly rotates the rotor 110 and the operating shaft 103 with the shut-off valve 131 as an action base point.
- the rotor blade 120 has a flat rear surface of the blade base plate 121 and has a rectangular base 125 that faces upward from the lower center of the plane of the blade base plate 121.
- a top seal plate 123 is provided at the top
- corner seal plates 124 are provided at both upper corners.
- Each of the seal plates 122 to 124 closes the seizing prevention distance provided between each outer end of the blade base plate 121 and each facing wall and is in contact with the honey on the facing wall.
- Each of the above-described sealing plates 122 to 124 has an inner end face provided with an appropriate interval on the base 125, and the interval is adjusted by using a coil spring 135b or the like.
- the seal plates 122 to 124 are appropriately pressed to make the contact between the seal plates 122 to 124 and the cylinder peripheral wall 104 more reliable.
- the pin 138 b is fixed to the bolt 137 in a state where the base 125 and the seal plates 122 to 124 are sandwiched between the blade base plate 121 and the holding plate 127.
- the lift electromagnet 151 is provided in the upper section of the shutoff valve 131.
- the two poles of the lift electromagnet 151 descend to the left and right of the side surface of the shut-off valve 131, and the lower end surfaces thereof are set apart from the upper left and right sides of the control valve 133 by an interference avoidance distance h.
- the current of the lift electromagnet 151 is switched by the switching pointer 150 and electronic control. Electric power is supplied to the electronic coil 153 from the wiring 155 via the electrode 154.
- the lift electromagnet 151 is energized to keep the control valve 133 pulled up by the interference avoidance distance h, that is, between the control valve 133 and the rotor peripheral wall.
- the shut-off valve 131 is inserted into the cylinder space 108 while maintaining the distance. Then, the energization to the lift electromagnet 151 is stopped at the same timing as the shutoff valve 131 completes the insertion.
- the control valve 133 drops, but at the same time, the suction electromagnet 156 provided in the lower part of the vertical valve groove is energized through the electric wire 160 and the lower end surface of the control valve 133 is attracted by the stress of the suction electromagnet 156. Accelerate the fall of the control valve 133. In addition, sliding between the lower end surface of the control valve 133 and the rotor base peripheral wall 113 is stably maintained.
- the energization of the attracting electromagnet 156 is stopped, and in conjunction with this, the lift electromagnet 151 is energized to raise the control valve 133 by the interference avoidance distance h and Return outside.
- the current of the attracting electromagnet 156 is switched by the switching pointer 150 and electronic control.
- the rotary internal combustion engine includes the lift electromagnet 151 provided in the upper section of the shutoff valve 131 and the attracting electromagnet 156 provided in the lower part of the vertical valve groove. .
- the two poles of the lift electromagnet 151 descend to the left and right of the side surface of the shut-off valve 131, and the lower end surfaces thereof are set apart from the left and right upper portions of the control valve 133 by an interference avoidance distance h.
- the energization to the lift electromagnet 151 is stopped and the control valve 133 is dropped.
- the attracting electromagnet 156 is energized to attract the lower end surface of the control valve 133 due to the stress of the attracting electromagnet 156 to accelerate the fall of the control valve 133 and to slide between the lower end surface of the control valve 133 and the rotor peripheral wall 113. Is maintained stably.
- the control valve 133 can be moved up and down by a distance from the valve body 132 of the shutoff valve 131 using the two electromagnets 151 and 156. That is, when inserting or returning the shut-off valve 131 into the cylinder 101, the lift electromagnet 151 is used to pull up the control valve 133, and when the insertion is completed, the suction electromagnet 156 provided at the lower part of the vertical valve groove is energized. 133 is pulled down, and the lower end surface of the control valve 133 and the rotor peripheral wall 113 begin to slide smoothly and quickly. That is, the interference with the rotor peripheral wall 113 when the shut-off valve 131 is inserted into the cylinder 101 and returned can be removed.
- the insertion method of the shut-off valve 131 shown in FIGS. 8 and 9 into the cylinder 101 is a so-called “lateral insertion” in which the shut-off valve 131 is inserted and removed in a direction perpendicular to the radial direction of the cylinder 101.
- lateral insertion in which the shut-off valve 131 is inserted and removed in a direction perpendicular to the radial direction of the cylinder 101.
- various methods for inserting the shut-off valve 131 such as a method of rotating and inserting an arc-shaped valve.
- the name of the electromagnet is a naming for convenience of explanation and does not relate to the essence of the electromagnet.
- the switching of the currents of the lift electromagnet 151 and the attraction electromagnet 156 is performed by the switching pointer 150 and electronic control.
- FIG. 10 is a partial sectional view of a rotary internal combustion engine according to the third embodiment of the present invention.
- FIG. 11 shows a partial cross-sectional view of an improved example of the rotary internal combustion engine.
- the rotary internal combustion engine 603 has two shut-off valves 231a and 231b that are driven and controlled by a valve reciprocating mechanism 261.
- the rotor 210 includes two rotor blades 220a and 220b. Each half rotation of the rotor 210 has equipment capable of performing one work process such as shut-off valves 231a and 231b, injection nozzles 206a and 206b, spark plugs 207a and 207b, and exhaust holes 242a and 242b. . And two operation strokes are complete
- the compressed air-fuel mixture is supplied from a compressed air-fuel mixture supply mechanism 247.
- the rotary internal combustion engine has three shut-off valves 231a, 231b, and 231c that are driven and controlled by a valve reciprocating mechanism 261.
- the rotor 210 includes three rotor blades 220a to 220c.
- the shutoff valves 231a to 231c, the injection nozzles 206a to 206c, the spark plugs 207a to 207c It has equipment capable of performing one work process such as exhaust holes 242a to 242c. Then, three operation strokes are completed in one third of the rotation of the rotor 210.
- the compressed air-fuel mixture is supplied from a compressed air-fuel mixture supply mechanism 247.
- X 1, 2,
- the upper part of the shut-off valve 231 (231a, 231b ) is airtightly held in the side valve groove on the cylinder peripheral wall 204, and the shut-off valve 231 (231a, 231b ... ) Is in airtight contact with the rotor base peripheral wall to form a sliding surface of the rotor base integral with the side rotor base.
- one operation corresponds to the operation of one cylinder of the reciprocating engine, and performing a plurality of operations simultaneously in one cylinder reduces the volume of the internal combustion engine.
- the working distance can be adapted to the combustion distance due to the difference in fuel type and quality.
- the rotor 210 includes a plurality of rotor blades in the cylinder 201, and one rotation of the rotor 210, that is, an angle obtained by dividing 360 degrees by the number of rotor blades is defined as one working angle.
- the number of operating strokes equal to the number of rotor blades is completed at one operating angle.
- FIG. 12 shows a partial cross-sectional view of a rotary internal combustion engine according to the fourth embodiment of the present invention
- FIG. 13 shows a part of the configuration around the auxiliary combustion chamber of the rotary internal combustion engine in more detail. A sectional view is shown and described.
- the operating shaft 303 is passed concentrically with the cylinder 301, and the rotor 310 is fixed to the operating shaft 303.
- the rotor 310 includes a rotor base 311 formed of a circular shell and a rotor blade 320 standing in the radial direction of the rotor base peripheral wall 313.
- the rotor base 311 and the rotor blades 320 are formed so as to be integrated.
- the upper part of the shut-off valve 331 driven by the valve reciprocating mechanism 361 is airtightly held in a side valve groove provided on the cylinder peripheral wall 304, and the lower end surface of the shutoff valve 331 is in airtight contact with the rotor base peripheral wall 313.
- a sliding surface of the rotor base 311 is formed.
- the rotor blade 320 has a base 325, side seal plates 322 are disposed on the left and right sides thereof, a top seal plate 323 is provided at the upper portion, and corner seal plates 324 are provided at both upper corners. ing.
- a part of the seal plate 323 is also provided with a bar called the ski 328 as described above in the first embodiment.
- a sub-combustion chamber 351 located outside the cylinder 301 of the rotary internal combustion engine and in front of the shut-off valve 331, and the sub-combustion chamber 351 is opposed to the position.
- Two high-pressure air nozzles 352 are provided.
- a fuel nozzle 353 is attached to the injection destination of both the high-pressure air nozzles 352.
- the air and fuel injected from the three nozzles 352 to 353 are mixed and stirred, and the spontaneous ignition of the fuel is observed. Further, the flame jet flows from the communication port 354 to the cylinder space 308, and in the combustion chamber 309 generated between the shut-off valve 331 and the rotor 310, the rotor blade 320 is pressed using the shut-off valve 331 as an action base point to rotate the operating shaft 3. Thus, the rotor 310 releases combustion gas to the exhaust hole 342 near the end of one rotation, and the valve reciprocating mechanism 361 returns the shut-off valve 331 outside the cylinder 301 to prepare for the next stroke, and one operation stroke is completed. finish.
- the exhaust hole 342 is provided with a transition plate 329 for smoothly passing the rotor blades 320. Further, in this example, water cooling is assumed, and the outer shell 359 is provided with a water channel 358 for allowing cooling water to pass therethrough.
- Reference numeral 326 denotes a rib for mounting the machine.
- the rotary internal combustion engine according to the fourth embodiment of the present invention has a cylinder 301 having a cylinder peripheral wall provided with a lateral valve groove on its inner peripheral surface, and is concentrically passed through the cylinder 301 and is rotatable.
- a shutoff valve 331 that performs intermittent motion between insertion and return between the cylinder 301, an auxiliary combustion chamber 351 provided outside the cylinder 301 and in front of the cutoff valve 331, and a position in the auxiliary combustion chamber 351 facing each other.
- Two high-pressure air nozzles 352 and a fuel nozzle 353 attached to the injection destination of the high-pressure air nozzle 352.
- both sides of the rotor base 311 and all the outer edges of the rotor blades 320 are in airtight contact with the left and right inner walls.
- both ends of the shut-off valve 331 are hermetically held in the two vertical valve grooves provided on the left and right side lids, and the upper portion of the shut-off valve 331 is the lateral wall of the cylinder peripheral wall 304.
- the lower end surface of the shut-off valve 331 is hermetically in contact with the rotor base peripheral wall 313 to form a sliding surface of the rotor base 311, and is opposed to the auxiliary fuel chamber 351.
- the gas mixture is stirred and ignited by injection from two high-pressure air nozzles 352 and a fuel nozzle 353.
- the gas mixture is stirred and ignited by the injection from the two high-pressure air nozzles 352 and the fuel nozzle 353 provided in the opposing positions in the auxiliary fuel chamber 351.
- the sub-combustion chamber 351 performs agitation and mixing of air and fuel by simultaneously performing air injection and fuel injection in the sub-combustion chamber 351, thereby making combustion more reliable.
- a flame flow is sent to the sealed layer in the cylinder 301 by ignition or ignition in the auxiliary fuel chamber 351, so that the use range of the fuel material can be expanded. It becomes possible.
- FIG. 14 is a partial sectional view of a rotary internal combustion engine according to the fifth embodiment of the present invention, and will be described.
- the rotary internal combustion engine 605 has a plurality of injection nozzles 406 a, 405 a, an appropriate positioning of the operating angle according to the progress of the rotor 410 with respect to the shutoff valve 431, and facing the cylinder space 408.
- 406b is provided, and high-pressure air, fuel, air-fuel mixture, etc. are injected from the injection nozzles 406a, 406b into the combustion chamber 409, which is a sealed layer formed between the shut-off valve 431 and the rotor blade 420 during operation, to assist combustion and work. It is characterized by increasing power.
- shut-off valve 431 is immediately inserted into the cylinder space 408 by the valve reciprocating mechanism 461 and the radial direction of the cylinder space 408 is shut off.
- a sealed layer formed between the shut-off valve 431 and the rotor blade 420 is used as a combustion chamber 409 to inject compressed mixture or compressed air and fuel from the injection nozzles 406a and 406b facing the cylinder space 408, and Ignition or ignition by the spark plug 407 is performed in the combustion chamber 409.
- the combustion expansion pressure generated thereby presses the rotor blade 420 with the shut-off valve 431 as an action base point and directly rotates the operating shaft 3.
- the rotor 410 releases combustion gas to the exhaust hole 442 near the end of one rotation, and the valve reciprocating mechanism 461 returns the shut-off valve 431 to the outside of the cylinder 401 to prepare for the next stroke. finish.
- the exhaust hole 442 is provided with a jumper plate 429 for smoothly passing the rotor blades 420.
- a plurality of rotary internal combustion engines facing the cylinder space 408 with appropriate positioning of the operating angle according to the progress of the rotor 410 with respect to the cutoff valve 431 are provided.
- Injection nozzles 406a and 406b are provided, and either high pressure air, fuel, or air-fuel mixture is injected from each nozzle into the combustion chamber 409, which is a sealed layer formed between the shut-off valve 431 and the rotor blades during operation. To do.
- a plurality of injection nozzles 406a and 406b are provided at appropriate positions where the operation angle with respect to the shutoff valve 431 is changed, and air, fuel, etc. are supplied to the injection nozzle in one operation stroke. Additional injection can be performed from 406a and 406b to increase the moving force and to increase the combustion force. Furthermore, it is possible to use the exhaust gas as a secondary fuel. In this example, two injection nozzles are provided. However, the present invention is not limited to this, and it is possible to provide more injection nozzles.
- FIGS. 15 and 16 are partial sectional views of a rotary internal combustion engine according to the sixth embodiment of the present invention.
- the operating shaft 503 is passed concentrically with the cylinder 501, and the rotor 510 is fixed to the operating shaft 503.
- the rotor 510 includes a rotor base 511 made of a circular shell and rotor blades 520 that stand in the radial direction of the rotor base peripheral wall 513.
- the rotor base 511 and the rotor blade 520 are integrally formed.
- the upper portion of the shut-off valve 531 is hermetically held in a side valve groove provided on the cylinder peripheral wall 504, and the lower end surface of the shut-off valve 531 is in air-tight contact with the rotor base peripheral wall 513 and the rotor base 511 slides. Form a surface.
- the shut-off valve 531 is driven and controlled by a valve reciprocating mechanism 561. Furthermore, it has the equipment which can perform one work process, such as the injection nozzle 506, the spark plug 507, and the exhaust hole 542. Also in this example, the exhaust hole 542 is provided with a transition plate 528 for smooth passage of the rotor blades 520.
- the oil feed hole 551 passing through the axis of the operating shaft 503 extends from the left and right ends of the shaft 503 toward the center, and changes the angle in the radial direction at a position beyond the line of the cylinder side inner wall 505.
- the left and right oil feed holes 551 are respectively connected to the oil feed grooves 552 provided on the left and right side surfaces of the rotor base 511 when they are exposed on the shaft surface.
- the left and right oil feed grooves 552 open from the same location to the rotor base peripheral wall 513 at a position in front of the rotor blade 520 base.
- the lubricating oil sent out by the oil supply pump 550 enters the oil feed groove 552 during operation of the internal combustion engine, the lubricating oil lubricates both side surfaces of the rotor base 511, and further, the lubricating oil that has come out of the oil feed groove 552 to the rotor peripheral wall 513. Lubricates the seals 522 to 524 on the left and right side surfaces of the rotor blade 520 by the centrifugal force of the rotation of the rotor. Excess lubricating oil stays at the bottom of the cylinder peripheral wall 503 and lubricates the seal plates 523 to 524 on the surface of the rotor blade 520.
- the remaining lubricating oil falls into the oil recovery groove 553 provided in the cylinder peripheral wall 504 by the discharge of the rotor, and further enters the oil recovery hole 554 to be recycled.
- the remaining lubricating oil is recovered by an oil recovery mechanism 557.
- the rotary internal combustion engine collects the oil feed hole 551 and the oil feed groove 552 for sending the lubricant supplied from the oil supply pump 550 and the remaining lubricant.
- An oil recovery groove 553 and an oil recovery hole 554 for putting the recovered lubricating oil in a recycling cycle are provided.
- the oil feed hole 551 passes through the axis of the operating shaft 503, extends from the left and right ends of the operating shaft 503 toward the center, and each of the oil feeding holes 551 has an angle in a radial direction at a position beyond the line of the cylinder side inner wall 505.
- the left and right oil feed holes 551 are respectively connected to the oil feed grooves 552 provided on the left and right side surfaces of the rotor base 511 when they are exposed to the shaft surface, and the left and right oil feed grooves 552 are connected to the rotor blades from the same place.
- the rotor base peripheral wall 513 opens and ends.
- the lubricating oil sent out by the oil supply pump 550 enters the oil feeding groove 552
- the lubricating oil lubricates both side surfaces of the rotor base 511 and further comes out of the oil feeding groove 552 to the rotor peripheral wall 513.
- the lubricating oil lubricates the left and right side surfaces of the rotor blades 520 by the centrifugal force of the rotation of the rotor, the surplus lubricating oil stays at the bottom of the cylinder peripheral wall 503 and lubricates the term surfaces of the rotor blades 520, and the remaining lubricating oil
- the rotor 510 is discharged to fall into an oil recovery groove 553 provided in the cylinder peripheral wall 504, and further enters the oil recovery hole 554 to be recycled.
- the oil feed hole 551 passed through the operation shaft and the oil feed hole 551 are arranged in the radial direction.
- the lubricating oil introduced into the oil feeding groove 552 to lubricate both sides of the rotor 510 and flowed out of the groove by the centrifugal force of the rotating rotor 510 lubricates the outer edge of the rotor 510, that is, the rotor seal and its contact wall.
- the surplus lubricating oil enters the oil recovery groove and enters the cycle for re-use.
- the lubricating oil lubrication technique shown in this embodiment is merely an example, and the lubricating oil can be supplied by various methods from the configuration of the present rotary internal combustion engine.
- the rotary internal combustion engine described in each of the above-described embodiments is applicable to natural gas, organic brewing fuel, heavy oil, hydrogen gas, etc. as well as gasoline and light oil because of the shape of the internal combustion engine.
- the internal combustion engine can be applied to each scale from large to small.
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Abstract
Description
即ち、ロータリ内燃機関のロータ周空間は吹き抜けのため、以下が問題となる。
a シリンダの中、もしくはシリンダ空間に面して燃焼室の形成が難しい。
b 作業行程において、燃焼膨張圧をロータの面に与える作用基点を作れない。
c シリンダ周壁とロータ外縁との摺動面に生じる焼き付けにより故障が生じる。
2 側蓋
3 作動軸
4 シリンダ周壁
5 側内壁
6 噴射ノズル
7 点火プラグ
8 シリンダ空間
9 燃焼室
10 ロータ
11 ロータベース
12 サイドロータベース
13 ロータベース周壁
15 軸受
17 ベアリング
20 ロータ羽根
21 羽根台板
22 サイドシール板
23 トップシール板
24 コーナーシール板
25 基台
26 リブ
27 押さえ板
28 スキー
31 遮断弁
32 弁体
33 調節弁
34,35a~35d コイルスプリング
37 ボルト
38a,38b ピン
39a,39b 遊動孔
40 縦弁溝
41 横弁溝
42 排気孔
50 切り替えポインタ
61 弁往復機構
151 リフト電磁石
156 吸引電磁石
a 各図面では、ロータリ内燃機関を、原則として作動軸を水平に設置したものとして図示している。以下では、当該図面を参照しつつ説明を進める。
b シリンダ内において、ロータの位置関係を特定する為に、作動軸の軸心を下、周内壁方向を上とする。殊にロータの如何なる回転角度においても適用する。
c ロータリ内燃機関の前後関係は、ロータが回転する中、遮断弁の横弁溝の下を通ってから進行する方向が前とする。
d 「密閉層」とは、遮断弁がシリンダ周空間を遮断し、回転するロータ間にできる空間である。密閉層と燃焼室は同一であり、空気及び燃料が噴射される以前を密閉層という。
e 「焼き付き防止距離」とは、燃焼熱及び摺動により生じる部材の膨張距離により生じる焼き付け等を防ぐ距離である。
f 「一作動行程」とは、シリンダ内で遮断弁と回転するロータが密閉層を作り、同密閉層内に燃料や空気等を噴射し、且つ点火或いは着火によりその燃焼膨張圧によりロータ及び作動軸が回転を得て、且つ排気を行い、次の行程に移るために遮断弁をシリンダ外に返戻するまでの一連の作業をいう。
g 「作動角」とは、該ロータリ燃焼機関の作動時、軸心を基点として遮断弁とロータ間にできる角度をいう。
h 「作動距離」とは、一作動行程終了時のロータ羽根と遮断弁間の距離で、ロータ羽根の高さの平均位置で測る円弧の距離をいう。
i 「隅角」とは、周内壁と左右の側壁が接する角をいう。
以下、以上の定義を踏まえて、各実施形態について説明する。
図1には本発明の第1の実施形態に係るロータリ内燃機関の図2のa-a線での断面図を示す。図2には同ロータリ内燃機関の図1のb-b線での断面図を示す。図3(a)乃至(d)には同ロータリ内燃機関のロータ羽根の回転並びに遮断弁31の開閉の様子を示す。そして、図4には同ロータリ内燃機関のロータの分解斜視図を示す。
即ち、回転するロータ10にタイミングを合わせて、遮断弁31を以ってシリンダ空間8の半径方向を遮断し、ロータ羽根20と遮断弁31によって形成される密閉層を燃焼室9として高圧空気及び燃料を噴射し、その燃焼膨張圧が遮断弁31を作用基点として直接的にロータ10と作動軸3に回転を与えることができる。更に、ロータ10が回転する所謂ロータリ内燃機関の創出により次のような点が指摘できる。すなわち、クランク等回転機構、或いはエキセントリック軸等を使用せず、ロータの円回転でエンジンが作動するため機械の動きが単純化し機械損失を削減することができる。更に、ロータリ内燃機関の特徴として、高圧空気及び燃料等の供給を専門機構に委ねた為、シリンダ1内における作業が燃焼膨張行程のみと短くなり作動中の燃料漏洩を防ぐことができる。更に、内燃機関がシンプルな組み立てで小型化できる為、製造コストの削減、機械損失の軽減、同機関の体積及び重量の縮小等を見る事ができる。更に、ロータ10の回転方向が同一のため慣性の重量損失が発生しない。また、作動時の衝撃音や摩擦音を減らす事で静粛性を保てる。更に、当該内燃機関の形状から使用燃料の種類はガソリンや軽油は勿論、天然ガス、有機醸造燃料、重油、水素ガス等と適用範囲が広い。また、当該内燃機関は大型から小型までスケールに対する対応能力が高い。
図8には本発明の第2の実施形態に係るロータリ内燃機関の図9のc-c線での断面図を示す。図9には同ロータリ内燃機関の図8のe-e線での断面図を示す。
図10には本発明の第3の実施形態に係るロータリ内燃機関の一部断面図を示す。図11には同ロータリ内燃機関の改良例の一部断面図を示す。
図12には、本発明の第4の実施形態に係るロータリ内燃機関の一部断面図を示し、図13には、同ロータリ内燃機関の副燃焼室周辺の構成を更に詳細に図示した一部断面図を示し、説明する。
図14には、本発明の第5の実施形態に係るロータリ内燃機関の一部断面図を示し、説明する。図14に示されるように、このロータリ内燃機関605は、遮断弁431に対するロータ410の進行に応じた作動角の適宜な位置取りで、且つシリンダ空間408に面して複数個の噴射ノズル406a,406bを設け、作動時に遮断弁431とロータ羽根420間にできる密閉層である燃焼室409に対して高圧空気、燃料、混合気等を各噴射ノズル406a,406bより噴射し、燃焼の補助、作動力の増大等を図ることを特徴とする。
図15、16には、本発明の第6の実施形態に係るロータリ内燃機関の一部断面図を示す。図15,16に示されるように、第6の実施形態に係るロータリ内燃機関606では、シリンダ501と同心に作動軸503を通し、同作動軸503にロータ510を固着する。ロータ510は、円形殻からなるロータベース511とロータベース周壁513の半径方向に立つロータ羽根520からなる。ロータベース511とロータ羽根520は一体となるように形成されている。該遮断弁531の上部は、シリンダ周壁504に有する横弁溝に気密的に保持され、該遮断弁531の下端面は前述のロータベース周壁513と気密的に接して該ロータベース511の摺動面を形成する。遮断弁531は弁往復機構561により駆動制御される。さらに、噴射ノズル506、点火プラグ507、排気孔542等の一作業行程を行い得る設備を有する。この例でも、排気孔542には、ロータ羽根520の通過を円滑にするための渡り板528が設けられている。
Claims (11)
- 内周面に横弁溝を備えたシリンダ周壁を有するシリンダと、
上記シリンダと同心に通され回転自在に保持される作動軸と、
円形殻からなるロータベースとロータベース周壁の半径方向に立つロータ羽根とからなり、上記作動軸に固着されたロータと、
上記シリンダ外とシリンダ空間との間で挿入と返戻の間歇運動を行う遮断弁と、
縦弁溝を備えた側蓋と、
を備え、
上記シリンダ内のシリンダ空間において、上記ロータベースの両側面並びに上記ロータ羽根の外縁の全ての部位が左右内壁と気密的に接しており、
上記遮断弁がシリンダ空間に挿入を完了すると、該遮断弁の両端は左右の上記側蓋に有する二つの縦弁溝に気密的に保持され、該遮断弁の上部はシリンダ周壁に有する横弁溝に気密的に保持され、且つ該遮断弁の下端面は上記ロータベース周壁と気密的に接して該ロータベースの摺動面を形成し、
上記ロータ羽根が遮断弁の位置を通過すると、直ちに遮断弁をシリンダ空間に挿入し、シリンダ空間の半径方向を遮断し、該遮断弁とロータ羽根間にできる密閉層を燃焼室として、圧縮混合気又は圧縮空気と燃料を噴射し、且つ燃焼室で点火若しくは着火を行い、更にその燃焼膨張圧により該遮断弁を作用基点としてロータ羽根を押圧して作動軸に直接的に回転を与え、排気孔に燃焼ガスを放出し、遮断弁が次の行程の準備のため、シリンダ外に返戻して一作動行程が終了する
ことを特徴とするロータリ内燃機関。 - 上記遮断弁の上記シリンダ空間に挿入のタイミングに合致した上記ロータベースの円の回転角度域における半径距離を干渉防止距離だけ短縮して、上記ロータベース周壁をカム状に形成する
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記遮断弁は、弁体と該弁体の下部に設けられた調節弁を更に備え、
上記弁体と調節弁との間に弾性体を介在させて相互間の距離を調節することを可能とし、上記弁体と調節弁との間隙は同部材の相互の切り込み合せ、相欠き合わせ、或いは重ね合わせのいずれかによりこれを塞ぐことで上下距離を調節可能とした
ことを特徴とする請求項1のロータリ内燃機関。 - 上記ロータベースを左右に複数個に分割し、適宜な間隔を設け、同分割部位間には弾性体を用いて左右の距離を調節可能とし、
更に分割部位間は部材の相互の切り込み合せ、相欠き合わせ、或いは重ね合わせのいずれかによりロータの前後に亘る気密を保持することで左右の距離を調節可能とした
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記ロータ羽根は、羽根台板と、該羽根台板の平面の下部中央より上方に向く方形の基台と、該基台の左右に配置されるサイドシール板と、該基台の上部に配置されるトップシール板と、該基台の上部両隅角に設けられるコーナーシール板とからなり、
上記羽根台板の上頂部及び両側端面はシリンダ周壁及び左右側内壁間のそれぞれに焼き付き防止距離の間隔を開けて形成し、
上記サイドシール板、トップシール板、コーナーシール板は、上記羽根台板の各外端と各対面壁間に設けた焼き付き防止距離を塞いで対面壁に気密的に接しており、
上記サイドシール板、トップシール板、コーナーシール板は、その内側端面のそれぞれが上記基台に適宜な間隔を設け、該間隔は弾性体を用いて相互間の距離を調節可能とすると共に、各シール板を適宜に押圧して各シール板と対面壁との相互の接触を確かなものとし、各シール板の相互間は切り込み合わせ、相欠き合わせ、或いは重ね合わせのいずれかによる接合により上記ロータ羽根の前後に亘る気密性を保持している
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記サイドシール板、トップシール板、コーナーシール板の少なくともいずれかに所定の距離のスキーを用いて上記各孔及び各溝を渡らせる
ことを特徴とする請求項5に記載のロータリ内燃機関。 - 上記遮断弁の上項に設けたリフト電磁石と
上記縦弁溝下部に設けた吸引電磁石と、
を更に備え、
上記リフト電磁石の二つの極は該遮断弁の側面の左右に下り、その下端面は調節弁の左右の上部と干渉回避距離だけ離して設定し、
該遮断弁のシリンダ空間への挿入時には、リフト電磁石に通電して調節弁を干渉回避距離だけ引き上げた状態を保ちつつ遮断弁をシリンダ空間内に挿入し、該遮断弁が挿入を完了するのとタイミングを合わせてリフト電磁石への通電を停止し、調節弁を落下させ、それと同時に吸引電磁石に通電して同吸引電磁石の応力により調節弁の下端面を吸引して調節弁の落下を早め、且つ該調節弁の下端面とロータ周壁との摺動を安定的に維持し、遮断弁のシリンダ外への返戻時には、上記吸引電磁石への通電を停止し、これに連動して上記リフト電磁石に通電して調節弁を干渉回避距離だけ引き上げてシリンダの外に返戻する
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記ロータはN(N=1,2,3...)個のロータ羽根を備え、ロータのN分の1回転毎に、遮断弁、噴射ノズル、点火プラグ、排気孔を含む一作業行程を行い得る設備を有し、該ロータのN分の1回転でN回の作動行程を終了する
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記シリンダの外、遮断弁の前方に設けられた副燃室と、
上記該副燃室の中に位置を対向して設けられた2つの高圧空気ノズルと、
上記高圧空気ノズルの噴射先に向き取り付けられた燃料ノズルと、
を更に備え、
上記副燃室の中、対向位置に設けた2つの高圧空気ノズルと燃料ノズルよりの噴射によりガスの混合攪拌と着火を行う
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 上記遮断弁に対するロータの進行に応じた作動角の適宜な位置取りで且つ上記シリンダ空間に面して複数個の噴射ノズルを設け、作動時に遮断弁とロータ羽根間にできる密閉層である燃焼室に対して高圧空気、燃料、混合気のいずれかを各ノズルより噴射する
ことを特徴とする請求項1に記載のロータリ内燃機関。 - 給油ポンプら供給された潤滑油を送る油送孔及び油送溝と、
残余の潤滑油を回収する油回収溝と、
この回収された潤滑油を再利用の循環にのせる油回収孔と、
を更に備え、
上記油送孔は、上記作動軸の軸心を通り、上記作動軸の左右両端より中央に向かって伸び、それぞれがシリンダ側内壁の線を超えた位置で半径方向に角度を変え、左右の油送孔は軸の表面に出たところで上記ロータベースの左右側面に設けられた油送溝とそれぞれが接続され、左右の油送溝は同所からロータ羽根基部の前方の位置でロータベース周壁に開口して終わり、
ロータリ内燃機関の作動時には、給油ポンプにより送り出される潤滑油が油送溝に入ると、同潤滑油はロータベースの両側面を潤滑し、更に油送溝よりロータ周壁に出た潤滑油はロータの回転の遠心力によりロータ羽根の左右側面を潤滑し、余剰の潤滑油はシリンダ周壁の底部に滞留してロータ羽根の項面に潤滑を与え、残余の潤滑油はロータの払い出しによりシリンダ周壁に設けられた油回収溝に落ち、更に油回収孔に入って再利用の循環に載せる
ことを特徴とする請求項1に記載のロータリ内燃機関。
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
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MX2011008357A MX2011008357A (es) | 2009-02-19 | 2009-02-19 | Motor de combustion interna giratorio. |
EP12166508.7A EP2511473B1 (en) | 2009-02-19 | 2009-02-19 | Rotary internal combustion engine |
KR1020117019773A KR101315874B1 (ko) | 2009-02-19 | 2009-02-19 | 로터리 내연 기관 |
ES12166508.7T ES2470321T3 (es) | 2009-02-19 | 2009-02-19 | Motor de combustión interna rotativo |
US12/675,061 US8528505B2 (en) | 2009-02-19 | 2009-02-19 | Rotary internal combustion engine |
EP09840332.2A EP2400128B1 (en) | 2009-02-19 | 2009-02-19 | Rotary internal combustion engine |
CA2752459A CA2752459C (en) | 2009-02-19 | 2009-02-19 | Rotary internal combustion engine |
KR1020137013532A KR101315877B1 (ko) | 2009-02-19 | 2009-02-19 | 로터리 내연 기관 |
CN2009801570476A CN102325975B (zh) | 2009-02-19 | 2009-02-19 | 旋转式内燃机 |
JP2011500390A JP4918177B2 (ja) | 2009-02-19 | 2009-02-19 | ロータリ内燃機関 |
ES09840332.2T ES2445893T3 (es) | 2009-02-19 | 2009-02-19 | Motor de combustión interna rotativo |
PCT/JP2009/052833 WO2010095225A1 (ja) | 2009-02-19 | 2009-02-19 | ロータリ内燃機関 |
RU2011138258/06A RU2511953C2 (ru) | 2009-02-19 | 2009-02-19 | Роторный двигатель внутреннего сгорания |
US13/447,669 US8528506B2 (en) | 2009-02-19 | 2012-04-16 | Rotary internal combustion engine |
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PCT/JP2009/052833 WO2010095225A1 (ja) | 2009-02-19 | 2009-02-19 | ロータリ内燃機関 |
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US12/675,061 A-371-Of-International US8528505B2 (en) | 2009-02-19 | 2009-02-19 | Rotary internal combustion engine |
US13/447,669 Continuation US8528506B2 (en) | 2009-02-19 | 2012-04-16 | Rotary internal combustion engine |
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WO2010095225A1 true WO2010095225A1 (ja) | 2010-08-26 |
Family
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PCT/JP2009/052833 WO2010095225A1 (ja) | 2009-02-19 | 2009-02-19 | ロータリ内燃機関 |
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US (2) | US8528505B2 (ja) |
EP (2) | EP2400128B1 (ja) |
JP (1) | JP4918177B2 (ja) |
KR (2) | KR101315877B1 (ja) |
CN (1) | CN102325975B (ja) |
CA (1) | CA2752459C (ja) |
ES (2) | ES2445893T3 (ja) |
MX (1) | MX2011008357A (ja) |
RU (1) | RU2511953C2 (ja) |
WO (1) | WO2010095225A1 (ja) |
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CN103032158B (zh) * | 2012-12-05 | 2015-04-01 | 汪辉 | 一种圆环缸体发动机 |
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Also Published As
Publication number | Publication date |
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EP2511473A2 (en) | 2012-10-17 |
KR20110106467A (ko) | 2011-09-28 |
ES2470321T3 (es) | 2014-06-23 |
MX2011008357A (es) | 2011-10-12 |
US8528505B2 (en) | 2013-09-10 |
EP2400128A4 (en) | 2013-01-16 |
CA2752459A1 (en) | 2010-08-26 |
KR101315874B1 (ko) | 2013-10-08 |
CA2752459C (en) | 2014-12-02 |
US20110107999A1 (en) | 2011-05-12 |
CN102325975A (zh) | 2012-01-18 |
RU2511953C2 (ru) | 2014-04-10 |
EP2511473A3 (en) | 2013-06-19 |
US8528506B2 (en) | 2013-09-10 |
KR101315877B1 (ko) | 2013-10-08 |
JPWO2010095225A1 (ja) | 2012-08-16 |
ES2445893T3 (es) | 2014-03-05 |
CN102325975B (zh) | 2013-04-10 |
EP2400128A1 (en) | 2011-12-28 |
KR20130064146A (ko) | 2013-06-17 |
US20120210973A1 (en) | 2012-08-23 |
JP4918177B2 (ja) | 2012-04-18 |
EP2400128B1 (en) | 2013-12-11 |
EP2511473B1 (en) | 2014-05-21 |
RU2011138258A (ru) | 2013-03-27 |
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