CN1057817C - With the heat vapourizer of gasified fuel heating vaporization not in the mixed gas - Google Patents
With the heat vapourizer of gasified fuel heating vaporization not in the mixed gas Download PDFInfo
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- CN1057817C CN1057817C CN95194110A CN95194110A CN1057817C CN 1057817 C CN1057817 C CN 1057817C CN 95194110 A CN95194110 A CN 95194110A CN 95194110 A CN95194110 A CN 95194110A CN 1057817 C CN1057817 C CN 1057817C
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Abstract
The invention discloses a kind of with the heat vapourizer of gasified fuel heating vaporization not in the deflagrating mixture, it is contained in the traditional inflammable mixture formation system, reduce that 35~60% conventional hybrid gas forms atomizing in the inflammable mixture that produces in the device and not at first heating vaporization in the hot vaporizing chamber at heat vapourizer of the fuel oil of vaporization at fuel delivery, form deflagrating mixture with air, infeed engine cylinder again.The heating equipment of vaporizer can be by the Electric heating appliance formed of electric heating element of the hot temperature of vaporization chamber of regulation and control, also can be by Electric heating appliance and the hybrid heating device of forming with the heating equipment of engine coolant or exhaust hotwork thermal source.
Description
The present invention relates to that motor supplies with is that deflagrating mixture forms system, and particularly the homogeneous deflagrating mixture that the fuel gasification and the air mixing of atomizing formed best ingredients infeeds the heat vapourizer of motor.
Traditional Carburetor utilizes the Venturi tube principle to make, it be the degree of vacuum that forms at the carburetor throat place by charge air flow with fuel oil sucking-off from carbureter jet, and it dispelled nebulize, infeed motor from intake manifold.Though it can satisfy the needs of the various working characteristicses of motor to mixture strength and quantity substantially, but still have following defective: ingredients is coarse, fuel delivery is bigger than normal, atomizing effect is bad, oil particles is big in the mixed gas, because the working procedure of motor is carried out very soon, the time of burning is some thousandths of second only, can not perfect combustion in this extremely short time, so waste is big, oil consumption is high, exhaust pollution is serious and will join cold-starting device in addition at severe cold area, can start smoothly.
Current calculation has also just solved the higher problem of ingredients precision for most advanced world computer control fuel injection system device, still has following defective: the one, and ingredients also is not best ingredients, gasoline still can burn Wan, wastes big in cylinder.The 2nd, the oil of ejection is still and belongs to vaporificly, and oil particles is big, and mixed gas quality is not good, and exhaust pollution is big.The 3rd, when making motor, just must carry out big improvement to engine body, manufacture complex structure, cost costliness, the exigent computer jet-type of maintenance technique special engine.
With the carburetor type automobile is that example our experiments show that, the main matter of automobile gas emission pollution: the quantity that the product carbonic oxide (CO) of incomplete combustion produces, and 70-80% is decided by Carburetor; The quantity that unburned product hydrocarbon (CH) produces, 50-60% is decided by Carburetor; Minority nitrogen is oxidized to NO, NO in the high-temperature fuel gas
2Deng oxynitrides product (NO
x) quantity that produces, 20-30% is decided by Carburetor.So, can find out thus to make motor reduce oil consumption and minimizing exhaust pollution that crux is the supplier of fuel oil.
In order to address the above problem, according among the international Patent classificating number FO2M about the report of vaporizer, the countries in the world scientific worker has done a large amount of improvements to Carburetor and fuel injection system device for many years, has also obtained effect preferably.But these improve the circle condom all do not deviate from traditional Carburetor, and it is still not ideal enough and have a high problem of complex structure cost that fuel feeding still too much, still big, the oil saving and pollution reducing of oil particles dyes effect in the mixed gas.For energy-saving and pollution-reducing, countries in the world have been done the device of the complementary device of a lot of various oil saving and pollution reducings and various fuel economizer and so on again, and all because of not from the atomizing of basic solution fuel oil with measure good ingredients problem, the result does not still have bigger breakthrough.Even state-of-the-art computer control fuel injection system device compares with traditional Carburetor, also can only fuel-economizing 6-7%, fail to reach ideal effect.
Purpose of the present invention is intended to fundamentally solve atomizing and the best ingredients and the cold-starting problem of fuel oil, a kind of fuel-oil heat vaporization device is provided, it can become advanced heat vaporization fuel feeding with having the backward atomizing fuel feeding of mixed gas formation system now, form high-quality homogeneous deflagrating mixture with best ingredients and air mixing, and can guarantee motor starting smoothly under cryogenic conditions.
For achieving the above object, the invention provides a kind of heat vapourizer that the fuel Heating of not vaporizing in the deflagrating mixture is vaporized, described heat vapourizer comprises:
One enclosing housing forms Packed hot vaporizing chamber in this enclosing housing inner chamber, the housing upper end is formed with the inlet hole that is communicated with hot vaporizing chamber, and the housing lower end is formed with the air outlet hole that is communicated with hot vaporizing chamber;
Be arranged in the hot vaporizing chamber, by the hot vaporization member of Electric heating appliance regulating and controlling temperature, the hot evaporating face with fuel Heating vaporization is arranged on the hot vaporization member;
Described enclosing housing is the double side wall structure of being made up of inner and outer wall, limits the annular cavity of a sealing between the inside and outside wall, is provided with the heating equipment that inwall is heated in the described closed ring chamber;
Described hot vaporization member is a hot vaporization plate that is provided with towards hot vaporizing chamber port, and hot vaporization plate is provided with the Electric heating appliance to hot vaporization plate heating;
Be formed with mixed gas passage between described inlet hole and the air outlet hole by way of hot vaporization plate.
Preferably, described hot vaporization plate is provided with some heat-removal bars towards the one side of inlet hole; Between hot vaporizing chamber inlet hole and air outlet hole, be formed with multiple tracks annular mixed gas passage;
Preferably, the inwall heating equipment is the Electric heating appliance that is arranged on the inwall outer wall; Described inwall heating equipment is engine exhaust or engine coolant, and the outer wall of inwall is provided with the heat absorption bar.
Preferably, described closed ring chamber is divided into two annular cavitys up and down that axial seal each other cuts off, described inwall heating equipment is the hybrid heating device of being made up of Electric heating appliance and engine exhaust or engine coolant, wherein Electric heating appliance is arranged on up and down on the outer wall of inwall of a chamber in two annular cavitys, feeds engine exhaust or cooling liquid in another chamber.
Preferably, be provided with in the described hot vaporization plate bottom that is arranged in the hot vaporizing chamber that an area is complementary with it with shape and the flat box of the sealing that is connected with its formation good heat conductive, this flat box feeds engine exhaust or cooling liquid heats it, is provided with the heat absorption bar in the described hermetically sealed flat case.
Preferably, be provided with temperature transducer in the described hot vaporizing chamber, make it to remain on a certain predetermined temperature in order to monitor hot temperature of vaporization chamber; Be provided with acoustic emission (AE) sensor in the described hot vaporizing chamber, in order to the working condition of monitoring heat vapourizer.
Preferably, described predetermined thermal temperature of vaporization chamber is the high-critical temperature of used fuel oil thin layer nucleate boiling or the temperature that suitably is lower than high-critical temperature;
Preferably, on the hot evaporating face of all of described heat vapourizer the far infrared coating is arranged; Wall around described air outlet hole in the hot vaporizing chamber is provided with some helical type guide plate type spinning disks.
According to a further aspect of the invention, provide a kind of fuel Heating that is used for inflammable mixture is not vaporized to vaporize, described heat vapourizer comprises:
One enclosing housing forms Packed hot vaporizing chamber in this enclosing housing inner chamber, the housing upper end is formed with the inlet hole that is communicated with hot vaporizing chamber, and the housing lower end is formed with the air outlet hole that is communicated with hot vaporizing chamber;
Be arranged in the hot vaporizing chamber, by the hot vaporization member of Electric heating appliance regulating and controlling temperature, the hot evaporating face with fuel Heating vaporization is arranged on the hot vaporization member;
Described enclosing housing is the double side wall structure of being made up of inner and outer wall, limit the annular cavity of a sealing between the inside and outside wall, be provided with the Electric heating appliance that inwall is heated in the described closed ring chamber, and the hot vaporization member that is arranged in the hot vaporizing chamber heated via inwall;
Described hot vaporization member forms mixed gas passage from top to bottom.
Preferably, described hot vaporization member is the multilayer heat vaporization bar along lateral arrangement.
According to a further aspect of the invention, provide a kind of motor deflagrating mixture to form system, included mixed gas and form device, it forms between device and the engine air inlet tube at described mixed gas and also is provided with above-mentioned heat vapourizer.
Because above-mentioned solution becomes advanced heat vaporization fuel feeding with atomizing fuel feeding backwardness, that fuel delivery is excessive that traditional inflammable mixture forms system, form high-quality homogeneous deflagrating mixture supply engine with air, and perfect combustion (or near perfect combustion) rapidly in cylinder, satisfying the main usability of motor and guaranteeing under the prerequisite of engine power performance thereby reach, significantly, reduce oil consumption to greatest extent, reduce exhaust pollution, also can guarantee motor starting smoothly under cryogenic conditions, realized the ideal effect of round-the-clock proper functioning.
The present invention is further detailed explanation below in conjunction with drawings and Examples.
Fig. 1 forms the schematic representation of system for deflagrating mixture of the present invention;
Fig. 2 is the sectional arrangement drawing of the heat vapourizer of the embodiment of the invention 1;
Fig. 3 is the cross-section profile of Vertical direction of the heat vapourizer top heating equipment structure of the heat vapourizer of the embodiment of the invention 1 and the embodiment of the invention 3;
Fig. 4 is the sectional arrangement drawing of the heat vapourizer of the embodiment of the invention 3;
Fig. 5 is the cross-section profile of the heat vapourizer lower heat source fluid heater structure Vertical direction of the embodiment of the invention 3;
Fig. 6 is the cross-section profile of Vertical direction of the heat vapourizer of the embodiment of the invention 2;
Fig. 7 is the sectional arrangement drawing of the heat vapourizer of the embodiment of the invention 2;
The schematic representation of the guide plate type spinning disk structure that covers under the heat vapourizer of Fig. 8 for the explanation embodiment of the invention and the flat tube shape circle medial and lateral wall construction of Electric heating appliance.
Figure 1 shows that deflagrating mixture of the present invention forms the schematic representation of system, includes air-strainer 3, Carburetor 4 and heat vapourizer 200.Fig. 2 is the sectional arrangement drawing of the heat vapourizer of the embodiment of the invention 1, and Fig. 3 is the cross-section profile of Vertical direction of the heat vapourizer 40 of Fig. 2.
As shown in Figure 2, the heat vapourizer 40 of the embodiment of the invention one is made of loam cake 6, lower cover 17 and heat vapourizer body 41.
Around described hot vaporization plate 42 and heat-removal bar 7, be with a flat tube shape circle 60, flat tube shape circle 60 is made up of inner round wall made from conductive metal sheet such as copper plate 18 and cylindrical wall 19, leave the inner round wall 18 of appropriate intervals and madial wall and the outer side wall that cylindrical wall 19 forms heat vapourizer therebetween, form hot vaporizing chamber 132 between madial wall 18 and the upper and lower covers.Between flat tube shape circle inner round wall 18 and hot vaporization plate circle wall 44 outer wall 182, leave certain interval, to form the mixed gas passage 11 of annular.On the outer wall of the inner round wall 18 of flat tube shape circle 60, with heat-resisting silver slurry conduction is gluing a plurality of PTC ceramic heating plates 8 are housed, the recline outer wall of inner round wall 18 of the annular heat-insulating layer 61 that has a perforate 90 that a plurality of and PTC ceramic plate shape be complementary is installed, the annulus of one opening of being made by conductive metal sheet is housed around the outer periphery of heat-insulating layer 61, be formed with jointing 150 at two openings, in order to screw 64 that it is fastening behind this sheet metal annulus installation in position.In the space between annulus 62 and PTC ceramic heating plate 8, turriform spring 9 is housed, similar with the turriform spring mounting type on the hot vaporization plate 42, the big end butt PTC ceramic heating plate of turriform spring, its small end butt sheet metal annulus 62 utilizes its elasticity to form between PTC ceramic heating plate and conductive metal sheet annulus reliably and is electrically connected.Conductive metal sheet annulus 62 forms circular boop formula positive electrode, and the end that the PTC ceramic heating plate is connected with the outer wall of inner round wall 18 forms bonding formula negative electrode 2.Be formed with on conductive metal sheet annulus 62, annular heat-insulating layer 61, the flat tube shape circle inner round wall 18 with hot vaporization plate 42 on power outlet pipe mounting hole 49 corresponding power outlet pipe attaching holes 63, in order to the power outlet pipe 16 that is welded, be connected as a single entity by the inner round wall 18 of power outlet pipe 16 with hot vaporization plate 42 and flat tube shape circle.The power outlet 15 that is connected with positive electrode plate 1 passes on the cathode power supply wiring terminal 23 that is connected to behind the power outlet pipe 16 on the cylindrical wall 19 that is installed in flat tube shape circle 60, the structure of power-line terminal 23 is shown in the partial enlarged drawing among Fig. 3, include nut 161, power line nose 162, nut 163, packing ring 164, high-temperature insulation packing ring 165,166, lighting outlet 15 line noses 167, positive electrode bolt 168 and high-temperature insulation cover 169 constitute, and use high-temperature insulation packing ring 165 between cathode power supply wiring terminal 23 and the flat tube shape circle cylindrical wall 19,166 and 169 insulation of high-temperature insulation cover; In addition, between wiring terminal 23 and sheet metal annulus 62, cylindrical helical spring 65 is housed, in order to forming firm electrical connection betwixt, thereby circular boop formula positive electrode also is connected on the cathode power supply wiring terminal 23, thus all PTC ceramic heating plates of heat vapourizer body 41 by and connect together.At sheet metal annulus 62, the appropriate position of heat-insulating layer 61 and flat tube shape circle inner round wall 18 is formed with two holes 25 and 27, be connected and fixed pipe 125,127 are respectively charged in these two holes, and with inner round wall 18, hot vaporization plate circle wall outer wall 182 is welded to connect, in order to hot vaporization plate 42 and flat tube shape circle 60 are connected as a single entity, with power outlet pipe 16 hot vaporization plate is positioned in the hot vaporizing chamber, and in order to AE (acoustic emission) sensor 24 and temperature transducer 26 to be installed, the lighting outlet 66 and 67 of AE sensor 24 and temperature transducer 26 is connected to respectively on the lighting outlet fixed chuck 68 and 69 that is installed on the flat tube shape circle cylindrical wall 19.Tingle 68 and 69 structure are made up of nut 91, tensioning cushion rubber 92, trim ring 93 and hollow bolt 94 as shown in Figure 3, and nut 91 is welded in the hole that forms on cylindrical wall 19.After lighting outlet passes from hollow bolt, by tight a bolt 94 just can will draw ply-yarn drill firmly fixed.
Heat vapourizer loam cake 6 is provided with inlet hole and is connected screw, in order to the air outlet hole of the throttle body of institute adapted be connected the screw coupling and connect, connect admittedly mutually with screw 33 and throttle body, seal with air tight degree of being with thermal baffle and heat insulation sealing gasket therebetween; The mixed gas air outlet hole of heat vapourizer lower cover and the inlet hole that is connected screw and engine air inlet tube be connected the screw coupling and connect, be encased inside the heat conduction sealing gasket therebetween and be fastened on the engine air inlet tube of institute's adapted with screw 33, make it air tight; In addition, the mixed gas air outlet hole of heat vapourizer lower cover can be not directly connect admittedly with the inlet hole of engine air inlet tube yet, but is interconnected by the equality of temperature pipeline.Inside and outside round wall 18,19 utilizes on it solid ear 34 (as shown in Figure 8) of company that is provided with and is connected with heat vapourizer upper and lower cover 6,17 by sunk screw 35 and company's fixing bolt nut assembly 37 and tightens up, each junction plane is locating pin formula location, plane combination, has the sealing of heat conduction sealing gasket air tight therebetween.
The generator power supply or the storage battery of the cathode power supply wiring terminal 23 of described heat vapourizer and temperature transducer lighting outlet 67 and adapted, the instrument or the digital temperature display unit of monitoring usefulness, tutorial light, audio device, switch and temperature over-range sound, the light warning device links to each other, automatic or non-automatic temperature-controlling system device by adapted is monitored the heat vapourizer working condition, so that the hot vapourizing temperature of heat vapourizer is controlled at the most desirable required evaporating temperature or (for example experiment shows: in the heat vapourizer of cast aluminium near the most desirable evaporating temperature, the high-critical temperature of the nucleate boiling of No. 70 thin layer gasoline is 170 ℃, and the critical temperature of No. 80 gasoline is 163 ℃, in design and practical application, or adopt the thickness that increases heat vapourizer or increase heat vaporization area, just increase the heat vapourizer quality, decline operating temperature lower limit, enlarge the way in operating temperature interval, suitably reduce heat vaporization operating temperature, also can reach desirable hot vaporization effect).Described AE sensor lighting outlet 66 is connected with AE (acoustic emission) sensor system assemblies, so that will use through long-time at heat vapourizer, the very faint ultrasound that the weak part that corrosion that causes owing to cavitation erosion, water erosion and other reason and thermal fatigue damage are caused sends when bearing pressure incessantly converts the sound equipment pulse transmission to and gives amplifier, excite strong acousto-optic warning signal, warning the frame person of sailing or tractor driver " can not continue to use " thereby the harm that the chain reaction of avoiding causing because of the heat vapourizer damage causes other component or motor and vehicle again.
In the deflagrating mixture formation system of present embodiment; hot vaporization plate has the one side of heat-removal bar promptly to become the hot evaporating face of master of heat vapourizer body; at main hot evaporating face side installing temperature transducer, and be connected with instrument, tutorial light, buzzer, switch and the protective gear etc. that can monitor in the operator cabin.In use, open heat vapourizer electric heating part power supply, electric current transfers electric energy to heat energy heat hot vaporizer by the PTC ceramic heating plate, and under the effect of temperature control system with heat vapourizer temperature heating and remain on optimal heat vapourizing temperature (be used fuel oil thin layer nucleate boiling high-critical temperature).The fuel oil and the AIR MIXTURES self-heating gasifying device inlet hole of the major part atomizing fraction vaporization that forms in Carburetor 4 enter heat vapourizer 40, when flowing through the upper surface 45 that comprises heat vapourizer upper and lower cover inner face, heat vapourizer body 41 and hot evaporating face such as the heat-removal bar 7 on its face, mixed gas passage face, it is heated vaporization, with the deflagrating mixture of air mixing formation homogeneous, then the inlet hole importing engine intake manifold 13 via motor infeeds cylinder under the guiding of guide plate type spinning disk 12.
Figure 7 shows that the sectional arrangement drawing of the heat vapourizer of the embodiment of the invention two, Fig. 6 is the cross-section profile of the heat vapourizer Vertical direction of Fig. 7.The heat vapourizer of present embodiment is identical with enforcement one described cardinal principle, has just cancelled the relevant component such as PTC ceramic plate that hot vaporization plate 42 reaches its heating, and has replaced along the hot bar 7 of vaporizing of the multilayer of laterally criss-cross arrangement.
In the heat vapourizer 50 of present embodiment, on flat tube shape circle inner round wall 18, along with the perpendicular direction of its axis on be provided with multilayer crisscrossly, by the heat vaporization bar 7 that good Heat Conduction Material is made, crisscross heat vaporization bar 7 forms the cancellated mixed gas passage of multilayer in flat tube shape circle inwall 18.
Self-heating gasifying device inlet hole enters the fuel oil and the AIR MIXTURES from the big portion atomizing fraction vaporization of Carburetor 4 of heat vapourizer, when it flows through netted mixed gas passage, the vaporization of on the hot evaporating face of flat tube shape circle inner round wall 18 and heat vaporization bar, being heated, form the deflagrating mixture of homogeneous, under the guiding of guide plate type spinning disk, import engine intake manifold 13 then and infeed cylinder via the engine charge hole.
Figure 4 shows that the sectional arrangement drawing of the heat vapourizer 70 of the embodiment of the invention 3.Fig. 3 is the cross-section profile of Vertical direction of carburetor body 71 superstructures of Fig. 4, and Fig. 5 is the cross-section profile of Vertical direction of carburetor body 71 substructures 73 of Fig. 4.
The Electric heating appliance 72 on heat vapourizer body shown in Figure 4 71 tops is basic identical with heat vapourizer body 41 shown in the embodiment one, just the lower surface 51 of heat conductive insulating laminate 48 is roughly concordant with the bottom end face 50 of hot vaporization plate in the present embodiment, and pressing plate 14, annular groove 130 and annular spring 131 among the embodiment one are not set.
The constructional device of heat source fluid heating equipment 73 for heating of present embodiment heat vapourizer body 71 bottoms with controlled circulating cooling liquid of motor or exhaust heat, its middle part is the flat box 74 of integrated type circle, in its cavity 31, began the center of circle and be welded with a dividing plate 30 from the inner round wall face, with inner chamber 31 1 every two halves, but keep the two halves intercommunication, on the flat box inner chamber upper wall surface of circle, be welded with many heat absorption bars 20.Outside the flat box 74 of this circle, be with a flat tube shape circle 80 that is welded into by conducting metal such as copper plate, position corresponding to the dividing plate 30 of justifying flat box inner chamber 31 in its inner chamber 81 is welded with a dividing plate 82, inner chamber 81 is cut off, leave certain interval between middle part flat box 74 of circle and the flat tube shape circle 80 to form mixed gas passage 11.On the round wall of the flat box 74 inner chamber dividing plates of circle 30 both sides, have two square holes 78; The corresponding position of the inner round wall of inner chamber dividing plate 82 both sides of flat tube shape circle 80 has two square holes 85 outside.Homonymy two holes with respect to dividing plate in open four holes are communicated with square copper pipe 83 welding, and flat box 74 of circle and flat tube shape circle 80 are connected as a single entity.Be drilled with two holes 86 on the cylindrical wall of flat tube shape circle 80 inner chamber dividing plates 82 both sides outside, these two circular holes, 86 place's welding heat source fluids into and out of external screw joint type adaptor tube 87, wherein reference character 28 is the thermal source inlet tube, 22 is the thermal source outer pipe, heat source stream control valve 29 is housed on thermal source inlet tube 28, links to each other with automatic or non-automatic thermal source flow control device in order to the hot fluid flow in the regulation and control importing heat vapourizer thermal source runner.
The bottom end face 50 usefulness thermostable heat-conductive sealing compounds of the hot vaporization plate 42 of the Electric heating appliance 72 of the heat vapourizer body of present embodiment are bonded on the upper-end surface of the flat box 74 of circle, (also available screw is fastening to make it to become heat conduction and insulating property good whole, the pure crystal magnesium oxide powder or the well behaved material of other heat conductive insulating of filling high density degree between hot vaporization plate bottom end face 50 and the flat box of circle upper-end surface), the upper end of the lower end of the flat tube shape circle 60 of top Electric heating appliance and the flat tube shape circle 80 of lower heat source fluid heater is respectively arranged with convex edge 111 and 112, flat tube shape circle utilizes bolt and nut component 33 to link together by means of described convex edge up and down, be provided with the heat conduction sealing gasket between the mating face and make it air tight, heat vapourizer loam cake 7, body 71 is connected with lower cover 17 usefulness bolt and nut components 37 and tightens up, each junction plane plane combination has the sealing of heat conduction sealing gasket air tight therebetween.
Two groups of inner chambers 31 of above heat source fluid heating equipment 73 and 81 are the thermal source runner of heat vapourizer.The inner chamber 81 of heat source fluid flat-tube type circle outside thermal source inlet tube 28 flows into, a heat source fluid part that enters inner chamber 81 is mobile along the ring inner chamber 81 of flat tube shape circle, another part enters the flat box inner chamber 31 of circle by the flat box inner chamber heat source fluid of circle import 88, enter the external flat tube shape of the heat source fluid circle 80 of two inner chambers 81 and 31 and each heating surface of the flat box 74 of circle and heat, the heat source fluid in the inner chamber 81 flows out through thermal source outer pipe 22 together with the heat source fluid that flows out through the flat box inner chamber heat source fluid outlet 21 of circle in the inner chamber 31 then.
In the heat vapourizer 70 that adopts heat source fluid heating equipment 73, heat vapourizer thermal source inlet tube 28 is connected with motor turnover water pipe or repacking engine exhaust pipe well with thermal source outer pipe 22, aperture by automatic or non-automatic thermal source flow control device control heat source fluid valve or valve, regulation and control import controlled recirculated cooling water in the heat vapourizer thermal source runner or other coolant rate or through cooling, the engine exhaust hot gas flow that step-down and flow velocity homogenization are handled, utilize cooling liquid or engine exhaust hotwork thermal source to cooperate with the temperature automatically controlled PTC ceramic heating plate of controlling by electric switch, the temperature of the hot evaporating face of heat vapourizer is heated to ideal temperature, be the highest threshold temperature of thin layer fuel oil nucleate boiling, and utilize temperature control system to hold it in this temperature.
In the above-described embodiments, being used for electrically heated element can replace with other electrical heating elements beyond the PTC and the combination of temp-controlling element.
In the various embodiments described above, replace in order to the Carburetor useable fuel injection system equipment that forms the atomized fuel mixed gas.
Under the situation of using the fuel injection system device, need to have now the fuel injection system device be arranged in the firing chamber or cylinder intake valve near a plurality of nozzles be improved to one or two or a plurality of nozzle, to engine intake manifold or near the intake manifold not or the hot evaporating face of the master of newly-designed heat vapourizer spray vaporific fuel oil or other available combustion liquid, simultaneously other parties concerned also do corresponding improvement.With the air outlet hole of the fuel injection system device after improving and the inlet hole that is connected screw and heat vapourizer be connected screw and mate connection, heat insulation with thermal baffle therebetween, with heat insulation sealing gasket sealing with air tight be degree, thereby constitute deflagrating mixture formation system with heat vapourizer.
Be provided with the computer of self-check (self diagnosis) system or component fault computer screen automatic display system device or claim under the situation of electronic fuel injection system device in use; described heat vapourizer include instrument or digital temperature display unit; tutorial light; audio device; switch and temperature over-range sound; the temperature-controlling system for driver or tractor driver's monitoring of light warning device; overheated; overcurrent; under-voltage; the decompression short current protection system; thermal source flow regulator control system device; AE (acoustic emission) sensor and system and device are all networked with computer; by computer the temperature of the hot evaporating face of heat vapourizer is controlled at ideal temperature and the regulation and control of control heat source stream control valve and imports thermal source flow in the heat vapourizer thermal source runner and the driver or the tractor driver that when heat vapourizer can not continue to use again, send acousto-optic warning signal announcement.In computer memory, except that original memory, also remember the best of breed of ingredients under the optimal heat vapourizing temperature of heat vapourizer, the best correcting scheme of temperature departure amount, the various operating mode, the best correcting scheme of ingredients concentration departure etc. are arranged.
Carburetor or fuel injection system device that the Carburetor of institute's adapted or fuel injection system device preferably just reduce fuel delivery 35-63% during fabrication and set up and can in use can finely tune fuel delivery again in manufactory.
For the heat vapourizer in the various embodiments described above, make the material of heat vapourizer, generally should select P, material that the C value is high for use, except selected material, also should select the character on heat vapourizer surface.For example experiment shows: to No. 70 gasoline, and critical temperature of shaggy cast iron heat vapourizer and heat flow rate per unit area, the critical temperature and the heat flow rate per unit area of passing through the cast iron heat vapourizer of processing apparently higher than the surface.Therefore, behind the material of having selected heat vapourizer, also need select the character on heat vapourizer surface.The hot evaporating face of all or part of heat vapourizer can be if be provided with some have suitable density and the radiating fin that screw thread or threadless heat-removal bar or waveform or plane shape are arranged irregular arrangement or that multilayer is crisscross or radiating net or honeycomb heat vaporization radiation hole or the hot vaporization forms of other type.All or part wall in the thermal source flow passage chamber of heat vapourizer is not if be provided with some have suitable density and the endothermic plate that screw thread or threadless heat absorption bar or waveform or plane shape are arranged irregular arrangement or multi-layer intercrossed or heat absorption net or heat absorption holes; Mixed gas passage can adopt the mixed gas passage of single track or two pass or multiple tracks ring or single chamber or two-chamber or multi-cavity or porous or multitube type or multilayer or various ways such as other type or the combination of several pattern; The heat vapourizer intake duct can be vertical air inlet road or tangential inlet duct or spiral inlet duct or turning round of mutually combining cut intake duct or mixed flow intake duct.
Be preferably in the inner face that comprises heat vapourizer upper and lower covers 6,17, front 45 and heat-removal bar 7, the interior outside of mixed gas passage 11 and all hot evaporating faces of heat vapourizer body bottom surface on it of heat vapourizer body scribble the far infrared coating, in order to emission far infrared radiation line when being heated temperature rise, make it to vaporize with the fuel Heating of each hot evaporating face of heat vapourizer to atomizing.
In order to make the PTC systems attempt reach optimum Working, working method, thermal design are very important, effectively avoid making the PTC element to produce electrical breakdown or thermal breakdown.So the fundamental characteristics that at first will understand element especially electric strength, maximum bears voltage, with determine rated operational voltage and with used supply voltage coupling, clamp and the electrode of element drawn also very important.Except preventing poor electric contact, short circuit and Electric Field Distribution inequality are avoided outside the electrical breakdown, also must prevent to cause owing to Mechanical Contact is bad the problem that local superheating punctures.Reasonably heat dissipation design is to give full play to element heating ability effective way.The structure of PTC heater element, type, power, performance, shape and size and Curie temperature preferably with the specification of heat vapourizer, size, form, shape, temperature required, construct or it combines and is complementary.Can coordinate the relation between heat vapourizer and surface temperature and the heating power during design on demand.Can take a plurality of elements to electrically connect or with other element mixing connecting mode.The most handy parallel connection need not be connected between the PTC ceramic plate.
The design of heat vapourizer must be according to different motors and different intake manifold; The auxiliary fuel-economizing of other of motor, air inlet and Exhaust gas purifying device; The trade mark and the character of used fuel oil or combustion liquid; The Carburetor of adapted and fuel injection system device; Make material, character, production technology and the means of heat vapourizer; Used thermal source; Comprehensive conditions such as electrical heating elements and temperature automatically controlled combination element device and other adapted device are optimized design, and in use in conjunction with area, weather, road conditions, load, condition of the engine, vehicle condition and vehicle are carried out practicability and are correctly adjusted Carburetor or fuel injection system device and relevant each parts, assembly.Preferably the Carburetor air air inflow of the hot evaporating face of heat vapourizer and hot vaporizing chamber and institute's adapted or fuel injection system device air inflow, bestly are complementary with oily or other available combustion liquid measure, power character etc. at the motor car engine discharge capacity of institute's adapted.In addition, heat vapourizer (or claiming heat vaporization component) can and be integrally manufactured with Carburetor or fuel injection apparatus also.When heat vapourizer was produced in batches, the most handy aluminum alloy adopted the extrusion process manufacturing, so not only was convenient to produce, and can reduces cost significantly.
When starting of heat vapourizer is equipped with in use, the mixed gas that suitably reduces 35-63% from textural fuel delivery with oil supply system when preferably adapted is made forms device and (and carries out practicability in conjunction with weather, area, geographical environment, road conditions, load situation, condition of the engine, vehicle condition etc. and correctly adjust, make the ingredients optimization of air and atomized fuel mixed gas, promptly under the prerequisite that satisfies main usability of automobile and assurance engine power performance, reduce fuel feeding or other available combustion liquid measure to greatest extent).
In order to make heat vapourizer system proper functioning, must provide electric energy to heat vapourizer and other relevant electric equipment.
The power supply of traditional automobile-used and other motor electric consumer is made up of storage battery, generator and regulator thereof etc., and its effect is to provide electric energy to electrical apparatus for vehicle use or other motor electric consumer.Though it can satisfy traditional usage, can not adapt to the needs of new Electronating device.
In order to solve the powerup issue of heat vapourizer system, can on automobile, motorcycle or other motor of adapted heat vapourizer, newly establish one group of power supply unit thermotropism vaporizer system of forming by auxiliary devices such as storage battery, generator, regulator and other voltage, electric current display unit, sound and optic signal device, safty device, fault display devices provide electric energy (or former power supply unit increased power and increases fixture, with the needs that adapt to newly-increased electric consumer and former electric consumer also can).Storage battery is adapted conventional accumulators or the storage battery or the good low-temperature storage battery of cryogenic property of heating and heat-insulating device are arranged as required.Newly-increased power supply unit can be installed in any position of the suitable installation of automobile, motorcycle or other motor, and with the relevant position of automobile, motorcycle or other motor, part do coupling change be electrically connected with power supply apparatus for heat vapourizer, mechanical connection.Newly-increased generator and motor can any suitable kind of drive transmissions.
Preferably the heat vapourizer of power supply apparatus for heat vapourizer and adapted is complementary.
When the work of starting heat vapourizer, open the newly-increased battery switch and the on-load switch that supplies earlier, electric current promptly infeeds heat vapourizer and other related electric equipment through lead, treats newly-increased generator proper functioning, is promptly cooperatively interacted by newly-increased generator, storage battery and regulator and supplies with required electric energy.
Owing to newly established one group of power supply unit thermotropism vaporizer system power supply, just solved the electricity consumption contradiction and the power load problem of traditional vehicle usefulness or other motor electric consumer and newly-increased electric consumer, thereby solved the powerup issue of heat vapourizer system.
When piloting engine work, open heat vapourizer electric heating part power supply earlier, connect heating circuit, electric current promptly enters the PTC ceramic plate through lead, get back to storage battery again behind heat vapourizer tower iron, electric current transfers electric energy to heat energy heat hot vaporizer by the PTC ceramic plate.After treating that temperature indicating device and buzzer and tutorial light indicate hot evaporating face temperature to be raised to predetermined temperature, can open starter switch pilot engine (perhaps be designed to reach temperature, automatically starting also can).The fuel oil of the atomizing of the major part that forms in the Carburetor after the engine start, fraction vaporization and AIR MIXTURES or when flowing through heat vapourizer with AIR MIXTURES by the vaporific fuel oil that the nozzle ejection of fuel injection system device goes out with a lot of far-infrared radiation line that this vaporific fuel oil transient heat can be vaporized with after very big hot evaporating face contacts, promptly be heated strong vaporization and air mixing and form deflagrating mixture, and enter engine intake manifold and cylinder by mixed gas passage.Because the rising of temperature in the compression stroke, simultaneously again because the eddy current that air inlet mixed flow and eddy current and aspirating stroke and compression stroke cause, further impel air and the fuel oil homogeneous of having vaporized mixes the homogeneous deflagrating mixture that forms best ingredients in cylinder.Deflagrating mixture is compressed in compression stroke, burns immediately and expands and promote piston and make engine start work through plug ignition closing on the compression stroke end.
When motor cryogenic conditions down or during cold starting, because fuel-viscosity variation increases and starting speed is low, the fuel-oil atmozation degree is not good enough, the fuel oil oil droplet that fallen by Carburetor this moment or dropped on by the thick vaporific fuel oil of nozzle ejection on the hot evaporating face of heat vapourizer of heating promptly diffuses to form thin oil film rapidly.Carry out nucleate boiling after this skim fuel oil is heated immediately, meanwhile produce a large amount of fuel vapors.Fuel vapor just forms deflagrating mixture with the air that enters once mixing.Deflagrating mixture is inhaled into cylinder, because the effect of the eddy current that air inlet mixed flow and eddy current and aspirating stroke and compression stroke are caused in cylinder has formed high-quality homogeneous deflagrating mixture, is compressed in compression stroke, is closing on the compression stroke end once igniting, burning makes engine start immediately.After the engine start, heat vapourizer still works on, and produces a large amount of fuel vapors, to enter steady running with keeping engine reliable.At this moment motor has promptly been finished whole starting process.
After engine start and normally in service, the manually or automatic heat source stream amount control device of control, just regulation and control import hot gas flow heat hot vaporizer in the heat vapourizer thermal source runner effectively; The heat that the PTC system can be consumed according to the thermal efficiency and the heat vaporization of thermal source flow, automatically increase and decrease power, carry out thermal compensation, when cooperating the work of maintaining heat vaporizer and the thermal equilibrium when zero load, to guarantee the operating temperature of heat vapourizer, constantly produce enough fuel vapors, guarantee the needs of the various working characteristicses of motor mixed gas quality.As meet the heat vapourizer temperature by chance above the upper limit or lower limit, just it is temperature transducer can be transferred to signal the emergency alarm starting buzzer and the warning that sends out a warning, normal so that the driver in time regulates and control to recover.
Because the crux effect of heat vapourizer, with Carburetor and fuel injection system device traditional, atomizing fuel feeding that fall behind, that fuel delivery is excessive becomes advanced heat vaporization fuel feeding, make mixed gas produce the leap of quality and quantity, from quality with quantitatively all reached the optimum state-the become homogeneous deflagrating mixture of best ingredients, in cylinder, reach the perfect boundary of perfect combustion, reduced oil consumption significantly and reduced exhaust pollution.Again because be provided with the system and device safe in utilization that the heat vapourizer temperature shows and temperature over-range sound, light warning device and protective gear and AE (acoustic emission) sensor etc. detect automatically and warning system constitutes; driver or tractor driver are had gained some understanding at any time, so just improved reliability and Security greatly to heat vapourizer and engine condition.Fact proved: the deflagrating mixture that heat vapourizer is housed forms system and has promptly kept existing Carburetor and fuel injection system device can satisfy the advantage of the various working characteristicses of motor to the requirement of inflammable mixture concentration and quantity substantially, solve again and remedied that its atomizing is not good, oil particles is big and ingredients is coarse, bigger than normal, deflagrating mixture can not burn in cylinder completely, deficiency such as oil consumption height, exhaust pollution are serious accomplishes to maximize favourable factors and minimize unfavourable ones, have complementary advantages.Can be described as from crux aspect and many-sided the improvement and perfect technology and usability, is traditional Carburetor and the best home to return to of fuel injection system device in fact, the most perfect form.So the oil saving and pollution reducing effect is surprising especially.Show through test of many times: Carburetor-heat vapourizer deflagrating mixture forms system and compares fuel-economizing with traditional Carburetor respectively up to 45.2-61.1% and 50.2-66.1% with fuel injection system device-heat vapourizer deflagrating mixture formation system under the prerequisite that satisfies main usability of motor and assurance engine power performance, reduces exhaust pollution and is respectively 80-98% and 85-98%; , reduce exhaust pollution and be respectively 40-50% and 50-60% respectively up to 35.2-51.3% and 40.2-56.3% than traditional computer control fuel injection system device fuel-economizing.Reached and satisfied the main usability of motor and guaranteeing under the prerequisite of engine power performance, significantly, reduce to greatest extent oil consumption, reduce exhaust pollution, and can guarantee motor starting smoothly under cryogenic conditions, realize the ideal effect of round-the-clock proper functioning.
In sum, the present invention compares with traditional mixed gas formation system, has following advantage, characteristic and good effect:
1, to form system different for aufbauprinciple and existing mixed gas, adopt neotectonics, new principle, new technology, make it have more science, rationality, practicability.
2, thoroughly change the prior art intermediate fuel oil with the excessive vaporific backward situation that infeeds motor of fuel delivery, replaced the heat vaporization oil feeding method that fuel-oil heat vaporization and air mixing is formed the advanced person of high-quality homogeneous deflagrating mixture supply engine.
3, improve the Economy of motor greatly, surprising fuel saving ratio has been arranged, fallen dirty particular significant effect.
4, low, the fault-free of heat vapourizer simple structure, cost, easy, durable in use life-span of working service are long.
5, speed of response is fast, and is highly sensitive, improved the power character of cornering ability and motor.
6, for the fuel injection system device, its injection apparatus is simplified than existing fuel oil single-point discharge system and device, has dwindled fault point and scope significantly.
7, having overcome existing mixed gas formation system can form oil film and flow into cylinder and cause incomplete combustion and washed away the lubricant film on the cylinder wall on the air inlet tube wall when fuel gasification is bad, diluted lubricant oil, increase the shortcoming of wearing and tearing, thereby prolonged the working life of motor greatly.
8, can guarantee motor starting smoothly under cryogenic conditions effectively, realize round-the-clock proper functioning.
Above the invention has been described with reference to embodiment and accompanying drawing, but should be appreciated that, to one skilled in the art, can make many variations and remodeling and do not deviate from the purport and the scope of claims.
Claims (19)
1, a kind of heat vapourizer, the fuel Heating that is used for inflammable mixture is not vaporized is vaporized, and described heat vapourizer comprises:
One enclosing housing forms Packed hot vaporizing chamber in this enclosing housing inner chamber, the housing upper end is formed with the inlet hole that is communicated with hot vaporizing chamber, and the housing lower end is formed with the air outlet hole that is communicated with hot vaporizing chamber;
Be arranged in the hot vaporizing chamber, by the hot vaporization member of Electric heating appliance regulating and controlling temperature, the hot evaporating face with fuel Heating vaporization is arranged on the hot vaporization member;
It is characterized in that described enclosing housing is the double side wall structure of being made up of inner and outer wall, limit the annular cavity of a sealing between the inside and outside wall, be provided with the heating equipment that inwall is heated in the described closed ring chamber;
Described hot vaporization member is a hot vaporization plate that is provided with towards hot vaporizing chamber port, and hot vaporization plate is provided with the Electric heating appliance to hot vaporization plate heating;
Be formed with mixed gas passage between described inlet hole and the air outlet hole by way of hot vaporization plate.
2, heat vapourizer as claimed in claim 1,
It is characterized in that described hot vaporization plate is provided with some heat-removal bars towards the one side of inlet hole.
3, heat vapourizer as claimed in claim 1,
It is characterized in that, between hot vaporizing chamber inlet hole and air outlet hole, be formed with multiple tracks annular mixed gas passage.
4, heat vapourizer as claimed in claim 1,
It is characterized in that described inwall heating equipment is the Electric heating appliance that is arranged on the inwall outer wall.
5, heat vapourizer as claimed in claim 1,
It is characterized in that described inwall heating equipment is engine exhaust or engine coolant, the outer wall of inwall is provided with the heat absorption bar.
6, heat vapourizer as claimed in claim 1,
It is characterized in that, described closed ring chamber is divided into two annular cavitys up and down that axial seal each other cuts off, described inwall heating equipment is the hybrid heating device of being made up of Electric heating appliance and engine exhaust or engine coolant, wherein Electric heating appliance is arranged on up and down on the outer wall of inwall of a chamber in two annular cavitys, feeds engine exhaust or cooling liquid in another chamber.
7, heat vapourizer as claimed in claim 5,
It is characterized in that, be provided with in the described hot vaporization plate bottom that is arranged in the hot vaporizing chamber that an area is complementary with it with shape and the flat box of the sealing that is connected with its formation good heat conductive, this flat box feeds engine exhaust or cooling liquid heats it, is provided with the heat absorption bar in the described hermetically sealed flat case.
8, heat vapourizer as claimed in claim 6,
It is characterized in that, be provided with in the described hot vaporization plate bottom that is arranged in the hot vaporizing chamber that an area is complementary with it with shape and the flat box of the sealing that is connected with its formation good heat conductive, this flat box feeds engine exhaust or cooling liquid heats it, is provided with the heat absorption bar in the described hermetically sealed flat case.
9, heat vapourizer as claimed in claim 1,
It is characterized in that, be provided with temperature transducer in the described hot vaporizing chamber, make it to remain on a certain predetermined temperature in order to monitor hot temperature of vaporization chamber.
10, heat vapourizer as claimed in claim 1,
It is characterized in that, be provided with acoustic emission (AE) sensor in the described hot vaporizing chamber, in order to the working condition of monitoring heat vapourizer.
11, heat vapourizer as claimed in claim 9,
It is characterized in that described predetermined thermal temperature of vaporization chamber is the high-critical temperature of used fuel oil thin layer nucleate boiling or the temperature that suitably is lower than high-critical temperature.
12, as each described heat vapourizer in the above-mentioned claim,
It is characterized in that on the hot evaporating face of all of described heat vapourizer the far infrared coating being arranged.
13, as each described heat vapourizer in the claim 1 to 11,
It is characterized in that the wall around described air outlet hole in the hot vaporizing chamber is provided with some helical type guide plate type spinning disks.
14, a kind of heat vapourizer, the fuel Heating that is used for inflammable mixture is not vaporized is vaporized, and described heat vapourizer comprises:
One enclosing housing forms Packed hot vaporizing chamber in this enclosing housing inner chamber, the housing upper end is formed with the inlet hole that is communicated with hot vaporizing chamber, and the housing lower end is formed with the air outlet hole that is communicated with hot vaporizing chamber;
Be arranged in the hot vaporizing chamber, by the hot vaporization member of Electric heating appliance regulating and controlling temperature, the hot evaporating face with fuel Heating vaporization is arranged on the hot vaporization member;
It is characterized in that, described enclosing housing is the double side wall structure of being made up of inner and outer wall, limit the annular cavity of a sealing between the inside and outside wall, be provided with the Electric heating appliance that inwall is heated in the described closed ring chamber, and the hot vaporization member that is arranged in the hot vaporizing chamber heated via inwall;
Described hot vaporization member forms mixed gas passage from top to bottom.
15, heat vapourizer as claimed in claim 14,
It is characterized in that described hot vaporization member is the multilayer heat vaporization bar along lateral arrangement.
16, a kind of motor deflagrating mixture forms system, and include mixed gas and form device,
It is characterized in that, form between device and the engine air inlet tube at described mixed gas and also be provided with the described heat vapourizer of above-mentioned each claim.
17, motor deflagrating mixture as claimed in claim 16 forms system,
It is characterized in that it is Carburetor that described mixed gas forms device.
18, motor deflagrating mixture as claimed in claim 16 forms system,
It is characterized in that it is the fuel injection system device that described mixed gas forms device.
19, motor deflagrating mixture as claimed in claim 16 forms system,
It is characterized in that described mixed gas forms device and heat vapourizer is integrally manufactured integral body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN95194110A CN1057817C (en) | 1994-05-13 | 1995-05-15 | With the heat vapourizer of gasified fuel heating vaporization not in the mixed gas |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN94103861.0 | 1994-05-13 | ||
CN 94103861 CN1119701A (en) | 1994-05-13 | 1994-05-13 | Fuel-oil heat vaporization fuel-feed method and equipment high efficiency oil-saving pollution-reducing carburetor |
CN 94106054 CN1112193A (en) | 1994-05-15 | 1994-05-15 | Computerized fuel jet heat carburetter |
CN94106054.3 | 1994-05-15 | ||
CN 94105660 CN1112492A (en) | 1994-05-21 | 1994-05-21 | Power supply apparatus for heat vapourizer |
CN94105660.0 | 1994-05-21 | ||
CN95194110A CN1057817C (en) | 1994-05-13 | 1995-05-15 | With the heat vapourizer of gasified fuel heating vaporization not in the mixed gas |
Publications (1)
Publication Number | Publication Date |
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CN1057817C true CN1057817C (en) | 2000-10-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN95194110A Expired - Fee Related CN1057817C (en) | 1994-05-13 | 1995-05-15 | With the heat vapourizer of gasified fuel heating vaporization not in the mixed gas |
Country Status (1)
Country | Link |
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CN (1) | CN1057817C (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4412521A (en) * | 1981-07-10 | 1983-11-01 | Silva Jr John C | Evaporative carburetor and engine |
US4622944A (en) * | 1984-08-10 | 1986-11-18 | Gregory Earl | Fuel evaporation apparatus and method |
-
1995
- 1995-05-15 CN CN95194110A patent/CN1057817C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4412521A (en) * | 1981-07-10 | 1983-11-01 | Silva Jr John C | Evaporative carburetor and engine |
US4622944A (en) * | 1984-08-10 | 1986-11-18 | Gregory Earl | Fuel evaporation apparatus and method |
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