CN209654141U - A kind of fuel engines that can intervene air inflow and exhaust efficiency - Google Patents

Abstract

The utility model provides a kind of fuel engines that can intervene air inflow and exhaust efficiency, belongs to automobile technical field.This fuel engines includes the air inlet discrimination hole being provided on cylinder body and exhaust qi hole, the top open part of cylinder body has a rotor being rotatably connected on cylinder body, a notch is offered on rotor, notch can be connected to air inlet qi hole and combustion chamber or outlet qi hole and combustion chamber, a transmission gear is fixedly installed in shaft, a pressure gear engaged with transmission gear is respectively connected on plenum axis and air-discharging and supercharging axis, the air inlet turbine that air inlet qi hole interior air-flow can be driven to flow to combustion chamber direction when plenum axis is opposite with transmission gear rotation direction is provided on plenum axis；Being provided on air-discharging and supercharging axis can drive exhaust qi hole interior air-flow to the exhaust driven gas turbine flowed away from combustion chamber direction when air-discharging and supercharging axis is opposite with transmission gear rotation direction.The utility model has many advantages, such as to can be improved air inflow and exhaust efficiency.

Description

A kind of fuel engines that can intervene air inflow and exhaust efficiency

Technical field

The utility model belongs to automobile technical field, is related to a kind of to intervene air inflow and the fuel oil of exhaust efficiency starts Machine.

Background technique

Fuel engines is widely used on the transit equipments such as automobile, and those skilled in the art are known: fuel engines is (special Not petrol engine) fuel supply volume according near atomizer air inflow determine, air inflow is big, the torque of engine Increase, uses turbo charged mode at the appropriate time in the prior art or full working scope promotes admission pressure, to increase Big engine torque, turbocharger use exhausting waste gas pressure for power source, the exhaust gas turbine being arranged at waste gas exhaust pipe Air inlet turbine connecting shaft with being arranged at inlet manifold, makes its synchronization, makes air inlet using exhaust gas pressure driving air inlet turbine rotation Admission pressure increases at manifold, although this way technology maturation, also brings certain side effect and defect, such as exhaust gas Exhaust resistance increase, cause exhausting waste gas to be not thorough, the residual of exhaust gas in the combustion chamber is more, burn indoor air-intake negative-pressure by It influences, combustion residue is more, and carbon distribution is more, although the thorough burning that exhaust gas recycling is conducive to dyestuff still passes through increase The mode of exhaust resistance is apparently not ideal structure, because it influences exhaust gas discharge frequency and makees to the back pressure of exhaust valve With, moreover, generally high engine speeds Operation Conditions when turbocharger acts on, exhaust gas recycles under the operating condition necessity compared with It is low；High exhaust temperatures are high to the connecting shaft rotating requires between exhaust gas turbine and air inlet turbine, keep turbocharger cost high, and Service life is shorter.

Existing conventional engine by the way of exhaust valve, inlet valve to combustion chamber and exhaust manifold and inlet manifold into In the ranks having a rest property alternate communication and cut-off, between valve and cylinder body tap frequency it is very big, and tap during caused by wear and can change Become bags size and influence air-tightness, valve blow-by is the routinely failure of engine in use for some time, combustion Burning room high temperature influences the reliable service life of valve lubrication and valve, this is also the defect and disadvantage of current conventional engine.

Based on this, the drawbacks of the application aims to solve the problem that the defect and available engine of said one or multiple prior arts.

Utility model content

The purpose of this utility model is that aiming at the above problems existing in the prior art, air inflow can be intervened by providing one kind With the fuel engines of exhaust efficiency, technical problem to be solved in the utility model is how to increase admission pressure and exhaust pressure Power improves the discharge capacity of engine.

The purpose of this utility model can be realized by the following technical scheme: one kind can intervene air inflow and exhaust efficiency Fuel engines, fuel engines includes cylinder body, is slidably connected at the intracorporal piston of cylinder and the crankshaft with piston hinge, special Sign is that this fuel engines includes the air inlet discrimination hole being provided on cylinder body and exhaust qi hole, the top opening of the cylinder body, institute The top open part for stating cylinder body has one to be rotatably connected on rotor on cylinder body, the inboard wall of cylinder block face, piston top surface and Rotor bottom surface forms the combustion chamber of engine, and the center of the rotor is fixedly connected with a shaft, the shaft and crankshaft-synchronous, A notch for running through rotor bottom wall surface is offered on the rotor, the notch can be connected to air inlet qi hole and combustion chamber or go out Gas qi hole and combustion chamber are fixedly installed a transmission gear in the shaft, a plenum are rotatably connected on the cylinder body Axis and an air-discharging and supercharging axis are respectively connected with a supercharging tooth engaged with transmission gear on the plenum axis and air-discharging and supercharging axis Wheel, is provided in air inlet qi hole on the plenum axis and can be in plenum axis and transmission gear rotation direction The air inlet turbine for driving air inlet qi hole interior air-flow to flow to combustion chamber direction when opposite；It is provided with and is located on the air-discharging and supercharging axis It can drive in exhaust qi hole and when air-discharging and supercharging axis is opposite with transmission gear rotation direction and be vented qi hole interior air-flow to deviating from The exhaust driven gas turbine of combustion chamber direction flowing.

Rotor rotation, rotates air inlet turbine, increases air inlet Qi Kongchu to the air-intake negative-pressure in combustion chamber direction, to increase Big air inflow, increases fuel supply volume, and then increases the discharge capacity of engine；Rotor rotation, rotates exhaust driven gas turbine, makes to be vented Pressure at expulsion of the Qi Kongchu away from combustion chamber direction increases, to improve exhaust efficiency, indirectly increases air inflow, supplies fuel oil Increase to amount, and then increases the discharge capacity of engine

The intake and exhaust valves of conventional engines are replaced by rotor and the notch being provided on rotor, and notch alternately makes The connection in air inlet qi hole and outlet qi hole and combustion chamber, realization select an air inlet or exhaust, make the activity at engine breathing position Part is reduced, and there is no hitting, reduces the abrasion between engine noise and movable part.

The rotation of rotor, can also drive homogenizing for mixed gas in combustion chamber, and the presence of notch makes the indoor air flow that burns By notch drag effect and spiral circulation, realize the mixing of mixed gas, in the combustion chamber formed vortex, increase burning A possibility that thorough, increases air-intake negative-pressure, improves pressure at expulsion, and air inlet qi hole and exhaust qi hole can also be spirally distributed The outside of cylinder body makes it echo rotor bring vortex, keeps said effect more significant, the presence of vortex can also be shortened by point Fire is to the time burnt comprehensively, a possibility that reducing detonation, keeps burning more thorough, improves exhaust mass.

Plenum axis and air-discharging and supercharging axis are evenly distributed on outside rotor, are improved for the stability of rotation to rotor, So that stress in its rotation process is shared and is cancelled out each other, improves reliability.

In the fuel engines that above-mentioned one kind can intervene air inflow and exhaust efficiency, the plenum axis and increasing Between knob wheel, be provided with a speed limiting clutch between air-discharging and supercharging axis and pressure gear, the speed limiting clutch include with The connected inner ring of plenum axis, the type frame for being set in outside inner ring and being connected with inner ring, the limit sleeve being set in outside type frame, rotation The interior clutch ring being connected to outside limit sleeve and the outer clutch ring being set in outside interior clutch ring, the type frame lateral wall have several limits Position recess, is rotatably connected to transmission roller in the limit notch, radially slidably connects and be driven on the interior clutch ring The one-to-one mounting rack of roller, the mounting rack include a pin shaft and two guiding axis, are rotatably connected on the pin shaft The limit roller being fastened between two transmission rollers offers pilot hole corresponding with guiding axis, institute on the interior clutch ring Guiding axis to be stated to be slidably connected in pilot hole along inner ring radial line direction, the pin shaft is fixed between the inner end of two guiding axis, A bonding pad is fixedly connected between the outer end of two guiding axis of same mounting rack, the bonding pad can be resisted against outer clutch On the inner wall of circle, the preloading spring that is connected between the guiding axis and interior clutch ring under compressive state；The supercharging tooth Wheel is fixed on outer clutch ring.

Air inlet turbine is not suitable for opening under low engine speed operating condition, and turbocharger is in low speed situations in conventional engines Under the reason of being not turned on, be on the one hand that exhaust gas pressure is smaller under speed operation, the turbine high speed at inlet manifold can not be driven to revolve Turn, is on the other hand the fuel-economizing for mainly considering engine under speed operation, air inflow increase will increase oil inlet quantity, to influence The fuel-economizing of engine.

Based on this, in the application, a speed limiting clutch is connected between plenum axis and pressure gear, the clutch Working principle is as follows: when shaft slowly runs, transmission roller is smaller to the active force of limit roller, can not drive preloading spring It compresses and slides in and out guiding axis, and the centrifugal force of mounting rack is smaller, smaller to the pressing force of preloading spring, bonding pad is not Can be resisted against on outer clutch ring inner wall, make to separate between inner ring and the relatively outer clutch ring of interior clutch ring, i.e., pressure gear rotation and Plenum axis does not rotate, and realization is not interfered air inflow under low engine speed operating condition；In shaft high-speed rotation, pass Dynamic roller is larger to the active force of limit roller, and preloading spring can be driven to compress and slide in and out guiding axis, and installed The centrifugal force of frame relatively reaches, and relatively reaches to the pressing force of preloading spring, and bonding pad is pressed on outer clutch ring inner wall, make inner ring and it is interior from It closes to enclose between relatively outer clutch ring and combine, is i.e. pressure gear rotation and plenum axis synchronous rotary is realized in high engine speeds Increase admission pressure under operating condition；Under engine medium speed therebetween, clutch is in half-clutch state, smaller effect Intervention air inflow.

It is connected with a speed limiting clutch between air-discharging and supercharging axis and pressure gear, the clutch working principle is as follows: turning When axis slowly runs, transmission roller is smaller to the active force of limit roller, and preloading spring can not be driven to compress and make guiding axis It slides in and out, and the centrifugal force of mounting rack is smaller, smaller to the pressing force of preloading spring, bonding pad cannot be resisted against outer clutch It encloses on inner wall, makes to separate between inner ring and the relatively outer clutch ring of interior clutch ring, i.e., pressure gear rotates and air-discharging and supercharging axis does not revolve Turn, realization exhaust efficiency is not interfered under low engine speed operating condition, enable portion retain in the combustion chamber into Row second-time burning；In shaft high-speed rotation, transmission roller is larger to the active force of limit roller, can drive preloading spring pressure Contracing slides in and out guiding axis, and the centrifugal force of mounting rack relatively reaches, and relatively reaches to the pressing force of preloading spring, bonding pad presses On outer clutch ring inner wall, make to combine between inner ring and the relatively outer clutch ring of interior clutch ring, i.e. pressure gear rotation increases with exhaust Last item synchronous rotary, realization increase pressure at expulsion under high engine speeds operating condition；Under engine medium speed therebetween, Clutch is in half-clutch state, the intervention exhaust efficiency of smaller effect.

In the fuel engines that above-mentioned one kind can intervene air inflow and exhaust efficiency, the limit sleeve and interior clutch It is connected between circle by bearing, is rotatablely connected between the outer clutch ring and interior clutch ring, between the outer clutch ring and type frame Rotation connection.

In the fuel engines that above-mentioned one kind can intervene air inflow and exhaust efficiency, the notch is in turn to rotor The dynamic inclined helical form in direction.

The helical form of notch is arranged, and can further improve rotor rotation and form " vortex " to mixed gas in combustion chamber Effect, improve engine performance.

Synchronizing between shaft and crankshaft refers to that revolving speed is identical, is realized between the two by the bevel gear being fixed on crankshaft The switching of rotation direction, it is then synchronous by the way that chain realization is arranged between shaft and bevel gear.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of this fuel engines.

Fig. 2 is the schematic perspective view of rotor.

Fig. 3 is the structural schematic diagram of speed limiting clutch.

In figure, 1, cylinder body；2, piston；21, air inlet discrimination hole；22, it is vented qi hole；3, rotor；31, shaft；32, notch；41, Transmission gear；42, plenum axis；43, air inlet turbine；44, air-discharging and supercharging axis；45, pressure gear；46, exhaust driven gas turbine；61, Inner ring；62, type frame；63, limit sleeve；64, interior clutch ring；65, outer clutch ring；66, recess；67, it is driven roller；68, bonding pad； 69, preloading spring；7, mounting rack；71, pin shaft；72, guiding axis；73, roller is limited.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As depicted in figs. 1 and 2, fuel engines include cylinder body 1, the piston being slidably connected in cylinder body 12 and with piston 2 Hinged crankshaft, which is characterized in that this fuel engines includes the air inlet discrimination hole 21 and exhaust qi hole 22 being provided on cylinder body 1, The top opening of cylinder body 1, the top open part of cylinder body 1 have a rotor 3 being rotatably connected on cylinder body 1,1 inner wall of cylinder body, 2 top surface of piston and 3 bottom surface of rotor form the combustion chamber of engine, and the center of rotor 3 is fixedly connected with a shaft 31, shaft 31 and crankshaft-synchronous, a notch 32 for running through 3 bottom wall of rotor is offered on rotor 3, and notch 32 can be connected to air inlet qi hole With combustion chamber or outlet qi hole and combustion chamber, a transmission gear 41 is fixedly installed in shaft 31, is rotatably connected to one on cylinder body 1 Plenum axis 42 and an air-discharging and supercharging axis 44 are respectively connected with one and transmission gear on plenum axis 42 and air-discharging and supercharging axis 44 The pressure gears 45 of 41 engagements, be provided in air inlet qi hole on plenum axis 42 and can plenum axis 42 with 41 rotation direction of transmission gear drives air inlet qi hole interior air-flow to flow to combustion chamber direction air inlet turbine 43 when opposite；Exhaust increases Be provided on last item 44 be located at exhaust qi hole 22 in and can be when air-discharging and supercharging axis 44 be opposite with 41 rotation direction of transmission gear Drive exhaust 22 interior air-flow of qi hole to the exhaust driven gas turbine 46 flowed away from combustion chamber direction.

Rotor 3 rotates, and rotates air inlet turbine 43, increases air inlet Qi Kongchu to the air-intake negative-pressure in combustion chamber direction, from And increase air inflow, increase fuel supply volume, and then increase the discharge capacity of engine；Rotor 3 rotates, and revolves exhaust driven gas turbine 46 Turn, makes to be vented the pressure at expulsion at qi hole 22 away from combustion chamber direction and increase, to improve exhaust efficiency, indirectly increase air inlet Amount, increases fuel supply volume, and then increases the discharge capacity of engine

The intake and exhaust valves of conventional engines are replaced by rotor 3 and the notch 32 being provided on rotor 3, and notch 32 is handed over Make the connection in air inlet qi hole and outlet qi hole and combustion chamber for property, realization selects an air inlet or exhaust, makes engine breathing position Movable part reduce, and there is no hitting, reduce the abrasion between engine noise and movable part.

The rotation of rotor 3, can also drive homogenizing for mixed gas in combustion chamber, and the presence of notch 32 makes the Indoor Air that burns Stream by notch 32 drag effect and spiral circulation, realize the mixing of mixed gas, in the combustion chamber formed vortex, increase It burns a possibility that thorough, increases air-intake negative-pressure, improve pressure at expulsion, air inlet qi hole and exhaust qi hole 22 can also be in the shape of a spiral It is distributed in the outside of cylinder body 1, so that it is echoed 3 bring of rotor vortex, keeps said effect more significant, the presence of vortex can also A possibility that shortening by lighting a fire to the time burnt comprehensively, reducing detonation, keeps burning more thorough, improves exhaust mass.

Plenum axis 42 and air-discharging and supercharging axis 44 are evenly distributed on outside rotor 3, are had for the stability of rotation to rotor 3 It improves, stress in its rotation process is made to be shared and be cancelled out each other, improve reliability.

As shown in figures 1 and 3, between plenum axis 42 and pressure gear 45, air-discharging and supercharging axis 44 and pressure gear 45 Between be provided with a speed limiting clutch, speed limiting clutch includes the inner ring 61 being connected with plenum axis 42, is set in inner ring 61 it is outer and be connected with inner ring 61 type frame 62, be set in outside type frame 62 limit sleeve 63, be rotatably connected on outside limit sleeve 63 in Clutch ring 64 and the outer clutch ring 65 being set in outside interior clutch ring 64,62 lateral wall of type frame have several limit notch 66, limit It is rotatably connected to transmission roller 67 in recess 66, radially slidably connects on interior clutch ring 64 and is corresponded with transmission roller 67 Mounting rack 7, mounting rack 7 includes a pin shaft 71 and two guiding axis 72, is rotatably connected on pin shaft 71 and is fastened on two biographies The limit roller 73 between roller 67 is moved, offers pilot hole corresponding with guiding axis 72,72 edge of guiding axis on interior clutch ring 64 61 radial line direction of inner ring is slidably connected in pilot hole, and pin shaft 71 is fixed between the inner end of two guiding axis 72, same installation A bonding pad 68 is fixedly connected between the outer end of two guiding axis 72 of frame 7, bonding pad 68 can be resisted against outer clutch ring 65 Inner wall on, the preloading spring 69 under compressive state is connected between guiding axis 72 and interior clutch ring 64；Pressure gear 45 It is fixed on outer clutch ring 65.

Air inlet turbine 43 is not suitable for opening under low engine speed operating condition, and turbocharger is in low speed shape in conventional engines On the one hand the reason of being not turned under condition is that exhaust gas pressure is smaller under speed operation, can not drive the turbine high speed at inlet manifold On the other hand rotation is the fuel-economizing that engine is mainly considered under speed operation, air inflow increase will increase oil inlet quantity, thus shadow Ring the fuel-economizing of engine.

Based on this, in the application, a speed limiting clutch is connected between plenum axis 42 and pressure gear 45, it should be from Clutch working principle is as follows: when shaft 31 slowly runs, the active force for being driven 67 pairs of limit rollers 73 of roller is smaller, can not drive It compresses preloading spring 69 and slides in and out guiding axis 72, and the centrifugal force of mounting rack 7 is smaller, to the pressure of preloading spring 69 Clamp force is smaller, and bonding pad 68 cannot be resisted against on outer 65 inner wall of clutch ring, makes inner ring 61 and the relatively outer clutch ring of interior clutch ring 64 Separated between 65, i.e., pressure gear 45 rotation and plenum axis 42 does not rotate, realize under low engine speed operating condition not into Tolerance is interfered；In 31 high-speed rotation of shaft, the active force for being driven 67 pairs of limit rollers 73 of roller is larger, can drive pre- Tight spring 69 compresses and slides in and out guiding axis 72, and the centrifugal force of mounting rack 7 relatively reaches, to the pressing force of preloading spring 69 It relatively reaches, bonding pad 68 is pressed on outer 65 inner wall of clutch ring, makes to tie between the relatively outer clutch ring 65 of inner ring 61 and interior clutch ring 64 It closes, i.e. the rotation of pressure gear 45 and 42 synchronous rotary of plenum axis, realization increases admission pressure under high engine speeds operating condition； Under engine medium speed therebetween, clutch is in half-clutch state, the intervention air inflow of smaller effect.

A speed limiting clutch is connected between air-discharging and supercharging axis 44 and pressure gear 45, the clutch working principle is such as Under: when shaft 31 slowly runs, the active force for being driven 67 pairs of limit rollers 73 of roller is smaller, and preloading spring 69 can not be driven to press Contracing slides in and out guiding axis 72, and the centrifugal force of mounting rack 7 is smaller, smaller to the pressing force of preloading spring 69, in conjunction with Piece 68 cannot be resisted against on outer 65 inner wall of clutch ring, make to separate between the relatively outer clutch ring 65 of inner ring 61 and interior clutch ring 64, i.e., Pressure gear 45 rotates and air-discharging and supercharging axis 44 does not rotate, and realization is not done exhaust efficiency under low engine speed operating condition It relates to, so that portion is retained and carry out second-time burning in the combustion chamber；In 31 high-speed rotation of shaft, it is driven 67 pairs of roller limits The active force of position roller 73 is larger, and preloading spring 69 can be driven to compress and slide in and out guiding axis 72, and mounting rack 7 Centrifugal force relatively reaches, and relatively reaches to the pressing force of preloading spring 69, and bonding pad 68 is pressed on outer 65 inner wall of clutch ring, makes 61 He of inner ring It is combined between the relatively outer clutch ring 65 of interior clutch ring 64, i.e. the rotation of pressure gear 45 and 44 synchronous rotary of air-discharging and supercharging axis is realized Increase pressure at expulsion under high engine speeds operating condition；Under engine medium speed therebetween, clutch is in half-clutch State, the intervention exhaust efficiency of smaller effect.

It is connected between limit sleeve 63 and interior clutch ring 64 by bearing, the company of rotation between outer clutch ring 65 and interior clutch ring 64 It connects, is rotatablely connected between outer clutch ring 65 and type frame 62.Notch 32 is in the inclined helical form of 3 rotation direction of rotor.

The helical form of notch 32 is arranged, and can further improve the rotation of rotor 3 and form " whirlpool to mixed gas in combustion chamber The effect of stream " improves engine performance.

Synchronizing between shaft 31 and crankshaft refers to that revolving speed is identical, real by the bevel gear being fixed on crankshaft between the two The switching of existing rotation direction, it is then synchronous by the way that chain realization is arranged between shaft 31 and bevel gear.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (4)

1. one kind can intervene the fuel engines of air inflow and exhaust efficiency, fuel engines includes cylinder body (1), is slidably connected Piston (2) and the crankshaft hinged with piston (2) in cylinder body (1), which is characterized in that this fuel engines includes being provided with cylinder Air inlet discrimination hole (21) on body (1) and exhaust qi hole (22), the top opening of the cylinder body (1) are opened at the top of the cylinder body (1) Mouthful place has one to be rotatably connected on rotor (3) on cylinder body (1), cylinder body (1) inner wall, piston (2) top surface and turn Sub (3) bottom surface forms the combustion chamber of engine, and the center of the rotor (3) is fixedly connected with a shaft (31), the shaft (31) and crankshaft-synchronous a notch (32) for running through rotor (3) bottom wall, the notch, are offered on the rotor (3) (32) it can be connected to air inlet qi hole and combustion chamber or outlet qi hole and combustion chamber, be fixedly installed a transmission on the shaft (31) Gear (41), a plenum axis (42) and an air-discharging and supercharging axis (44) are rotatably connected on the cylinder body (1), and the air inlet increases A pressure gear (45) engaged with transmission gear (41), the air inlet are respectively connected on last item (42) and air-discharging and supercharging axis (44) It is provided in air inlet qi hole and can be in plenum axis (42) and transmission gear (41) rotation direction in pressurization axis (42) The air inlet turbine (43) for driving air inlet qi hole interior air-flow to flow to combustion chamber direction when opposite；It is set on the air-discharging and supercharging axis (44) It is equipped with and is located in exhaust qi hole (22) and can be driven when air-discharging and supercharging axis (44) is opposite with transmission gear (41) rotation direction Qi hole (22) interior air-flow is vented to the exhaust driven gas turbine (46) flowed away from combustion chamber direction.

2. a kind of fuel engines that can intervene air inflow and exhaust efficiency according to claim 1, which is characterized in that institute It states between plenum axis (42) and pressure gear (45), be provided with one between air-discharging and supercharging axis (44) and pressure gear (45) Speed limiting clutch, the speed limiting clutch include the inner ring (61) being connected with plenum axis (42), are set in inner ring (61) outside And be connected with inner ring (61) type frame (62), be set in the outer limit sleeve (63) of type frame (62), be rotatably connected on limit sleeve (63) Outer interior clutch ring (64) and it is set in the outer clutch ring (65) of interior clutch ring (64) outside, the type frame (62) is if lateral wall has Dry limit notch (66), the limit notch (66) is interior to be rotatably connected to transmission roller (67), edge on the interior clutch ring (64) It radially slides to be connected with and includes a pin shaft (71) with the one-to-one mounting rack (7) of transmission roller (67), the mounting rack (7) With two guiding axis (72), the limit roller being fastened between two transmission rollers (67) is rotatably connected on the pin shaft (71) (73), pilot hole corresponding with guiding axis (72) is offered on the interior clutch ring (64), the guiding axis (72) is along inner ring (61) radial line direction is slidably connected in pilot hole, and the pin shaft (71) is fixed between the inner end of two guiding axis (72), together It is fixedly connected with a bonding pad (68) between the outer end of two guiding axis (72) of one mounting rack (7), bonding pad (68) energy It is enough resisted against on the inner wall of outer clutch ring (65), is connected between the guiding axis (72) and interior clutch ring (64) in compression shape Preloading spring (69) under state；The pressure gear (45) is fixed on outer clutch ring (65).

3. a kind of fuel engines that can intervene air inflow and exhaust efficiency according to claim 2, which is characterized in that institute It states and is connected between limit sleeve (63) and interior clutch ring (64) by bearing, between the outer clutch ring (65) and interior clutch ring (64) Rotation connection, is rotatablely connected between the outer clutch ring (65) and type frame (62).

4. according to claim 1 or 2 or 3 described one kind can intervene the fuel engines of air inflow and exhaust efficiency, feature It is, the notch (32) is in the inclined helical form of rotor (3) rotation direction.