CN206816370U - A kind of variable compression ratio engine - Google Patents

A kind of variable compression ratio engine Download PDF

Info

Publication number
CN206816370U
CN206816370U CN201720590084.8U CN201720590084U CN206816370U CN 206816370 U CN206816370 U CN 206816370U CN 201720590084 U CN201720590084 U CN 201720590084U CN 206816370 U CN206816370 U CN 206816370U
Authority
CN
China
Prior art keywords
crank
compression ratio
engine
variable
variable compression
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201720590084.8U
Other languages
Chinese (zh)
Inventor
王军年
王岩
王治强
王庆年
张垚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201720590084.8U priority Critical patent/CN206816370U/en
Application granted granted Critical
Publication of CN206816370U publication Critical patent/CN206816370U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Transmission Devices (AREA)

Abstract

The utility model discloses a kind of variable compression ratio engine, including:Crank box;Multigroup variable bent axle, crank arm adjusting means, it includes:Rotating shaft, it is rotatably supported in the crank box, and described rotating shaft one end has locking device;Multiple gears, it is fixedly installed in the rotating shaft, the gear engages with the carousel gear, the carousel gear can be driven to rotate, i.e. engine crankshaft arm lengths are variable, length by changing crank arm can change the compression ratio of engine, so as to effectively improve the dynamic property of engine and economy.

Description

A kind of variable compression ratio engine
Technical field
It the utility model is related to engine art, more particularly to a kind of variable bent axle arm lengths variable compression ratio engine.
Background technology
For conventional engines, the power output of engine can not only be improved by properly increasing engine compression ratio, The fuel consumption of engine can also be reduced, the compression ratio for improving engine has become the popular direction of development of engine, such as Volume production gasoline engine compression ratio reaches as high as 14 at present:1.But the compression ratio of engine is not to be the bigger the better, compression ratio is direct Determine the maximum pressure of mixed combustible gas body in engine combustion room, the combustion characteristics of gasoline result in that mixed in combustion chamber can Firing gas pressure intensity can not be too high.If the pressure in cylinder has exceeded critical value, gasoline will because of compression and before ignition It is ignited, this phenomenon is referred to as detonation, and produces pinking, not only influences the ride comfort of engine, also engine can be moved Power output makes a big impact, and engine should avoid the generation of pinking.
For conventional gasoline engin, in order to improve the fuel economy of engine, in the Smaller load slow-speed of revolution, hair The relatively low corresponding combination property of the motivation thermal efficiency is poor, therefore requires there is higher compression ratio.And in the high rotating speed of big load, because entering Tolerance is very big, is easy to produce detonation if compression ratio is higher and produces very big thermic load, causes body to damage, therefore at this moment Ask using less compression ratio.The petrol engine of fixed compression ratio can not give full play to the property of engine under various operating modes Energy.The compression ratio of engine is continuously adjusted with the change of load, the potentiality of engine, Jin Erti can be excavated to greatest extent The combination property of high engine.But structure limitation is limited by for conventional engines, its combustion chamber volume and cylinder operation are held Product is certain, is difficult to realize variable compression ratio.
For present wide variety of engine with supercharger, after turbocharging intervention, the temperature of combustion chamber and pressure meeting Significantly raise, if this value is too high, pinking is with regard to inevitable.This can produce huge injury to engine, while also can shadow Ring power output.So the turbocharging of fixed compression ratio and mechanically-sapercharged engine can only be designed to compression ratio than common Naturally aspirated engine is lower.But this too low compression ratio design, engine can be caused again in booster (particularly whirlpool Wheel supercharging) when not completely intervening, efficiency of combustion is very low, and power caused by energy is than produced by common naturally aspirated engine Power it is much less.Fixed compression ratio engine has been difficult the demand for development for meeting engine with supercharger.
Utility model content
The utility model proposes a kind of variable compression ratio engine, i.e. engine crankshaft arm lengths are variable, by changing The compression ratio of engine can be changed by becoming the length of crank arm, so as to effectively improve the dynamic property of engine and economy.
Technical scheme provided by the utility model is:
A kind of variable compression ratio engine, including:
Crank box;
Multigroup variable bent axle, it is arranged in the crank box, and the variable bent axle includes:
Trunnion, it is rotatably supported in the crank box;
The multiple carousel gears being oppositely arranged two-by-two, its is rotatable to be set on trunnion, the opposed discs tooth two-by-two Wheel inner side is provided with oval-shaped groove corresponding to shape same position;
Crank-pin, its articulated linkage, the crank-pin both ends are inserted into the oval-shaped groove, and can be along described ellipse Circular groove periodic rotational movements;
Crank arm adjusting means, it includes:
Rotating shaft, it is rotatably supported in the crank box, and described rotating shaft one end has locking device;
Multiple gears, it is fixedly installed in the rotating shaft, and the gear engages with the carousel gear, can drive institute State carousel gear rotation.
Preferably, the body group, including:
Cylinder block;
Cylinder head, it is detachably arranged at the top of the cylinder block, be provided with the cylinder head inlet valve, exhaust valve with And the spark plug for engine ignition;
Crank box, it is arranged on the cylinder block cavity bottom, for placing toggle and crank arm regulation dress Put.
Preferably, in addition to:
Piston, it is arranged on the cylinder block cavity inside, can be moved vertically up and down along cylinder wall;
Connecting rod, its one end are connected with the piston, and the other end connects the crank-pin.
Preferably, on the crank rectangular through slot length not less than the oval-shaped groove major axis and minor axis radius it Difference.
A kind of variable compression ratio engine, including:
Crank box;
Multigroup variable bent axle, it is arranged in the crank box, and the variable bent axle includes:
Trunnion, its both ends are rotatably supported in the crank box, and have multiple square sliders at middle part;
The multiple disks being oppositely arranged two-by-two, its is rotatable to be set on trunnion, and shape is provided with the inside of the disk Circular groove corresponding to same position, the disc centre have rectangle chute, and the rectangle chute is enclosed on the trunnion Square slider on;
Crank-pin, its articulated linkage, the crank-pin both ends are inserted into the circular groove, and can be along the ellipse Connected in star periodic rotational movements;
Crank arm adjusting means, it includes:
Power transmission shaft, its one end are fixed with travelling gear, can be rotated in certain angle;
Double-lever mechanism, it includes the first bar being hinged and the second bar, and the first bar other end connects the transmission Axle, the second bar other end are hinged the disk or the periphery against the disk.
Preferably, the double-lever mechanism, including:
Connecting rod is adjusted, one end of the regulation connecting rod connects the disk;
Crank is adjusted, its one end and the other end of the regulation connecting rod are hinged, and the other end of the regulation crank is fixed on On the power transmission shaft, and can be with the drive axis.
Preferably, rectangular through slot on the crank, length should be not less than the total kilometres of the vertical movement of disk.
Preferably, the travelling gear manipulates it by executing agency and slightly turned around its own axis within the specific limits Dynamic, the executing agency is the Mechatronic Systems or hydraulic means of motor and decelerator composition.
Preferably, worm screw, it is engaged with the travelling gear.
Preferably, the worm screw is by self-locking motor or fluid motor-driven.
The beneficial effects of the utility model:
1st, using disk moving up and down and its annular annular groove mechanism, variable compression ratio can be achieved, so as to adapt to send out Power demand under motivation difference operating mode;
2nd, using rotatable carousel gear and its vesica piscis groove mechanism, variable compression ratio and cylinder-variable row can be achieved Amount, adapts to effectively save fuel consumption while different operating mode power demands, realizes energy-conservation.
3rd, by controlling the rotation can of power transmission shaft to change engine compression ratio, structure and control are relatively easy, will not Engine size is increased considerably, so as to reduce influence of the variable compression ratio engine to entire vehicle design.
4th, engine compression ratio with continuous variable, can meet the requirement of vehicle difference operating condition, so as to realize section The purpose of energy emission reduction.
5th, device for disc is added at crank both ends on bent axle, has the effect of Auxiliary support and crankshaft counterbalance counterweight concurrently, improves The intensity of bent axle, and do not increased multimass, reduce the manufacture difficulty of bent axle.
Brief description of the drawings
Fig. 1 is the single air cylinder structure of variable compression ratio engine described in embodiment one and operation principle schematic diagram.
Fig. 2 is variable crank throw structural representation described in embodiment one
Fig. 3 is that variable compression ratio four cylinder engine toggle described in embodiment one and crank arm adjusting means are illustrated Figure.
Fig. 4 is the single air cylinder structure of variable compression ratio engine described in embodiment two and operation principle schematic diagram.
Fig. 5 is variable crank throw structural representation described in embodiment two
Fig. 6 is that variable compression ratio four cylinder engine toggle described in embodiment two and crank arm adjusting means are illustrated Figure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation Book word can be implemented according to this.
As shown in Figure 1, Figure 2, Figure 3 shows, variable compression ratio engine described in embodiment one, including body group, piston, connecting rod, Variable bent axle and crank arm adjusting means.
As shown in figure 1, body group is mainly made up of cylinder head 101, cylinder block 104 and crankcase three parts, cylinder head 101 On be provided with inlet valve, exhaust valve and the spark plug for engine ignition.Cylinder head and cylinder block are connected by cylinder bolt Connect, joint face accompanies head gasket.Piston 102 is placed in inside cylinder block 104, can be moved vertically up and down along cylinder wall.Connecting rod 103 one end and piston 102 connect, and the crank-pin 108 of the other end and variable bent axle connects.Cylinder block lower cavity is bent axle Case, toggle and crank arm adjusting means are placed in crankcase, are supported on by sliding bearing on crankcase wall.Bent axle Lower box part has oil sump to seal and store lubricating oil.
As shown in Fig. 2 variable bent axle is built-up crankshaft, the single crank throw on variable bent axle is mainly by trunnion 111, song Handle 110, crank-pin 108 and disk 105 form.Be provided with rectangular through slot 109 on crank 110, the both ends of crank-pin 108 respectively from Stretch out in both sides rectangular through slot 109, the width of rectangular through slot 109 and the diameter of crank-pin 108 match, and such crank-pin 108 can be with Moved freely within the specific limits along crank length direction (bent axle is radially).The part of crank 110 is stretched out at the both ends of crank-pin 108, It is inserted respectively into the oval-shaped groove 106 of the end face of two carousel gears 105 of crank throw both sides arrangement, in piston 102 and even In the presence of bar 103, crank-pin 108 can be along the periodicity high speed rotary motion of oval-shaped groove 106.Simultaneously because crank-pin 108 will not occur the transverse movement relative to crank 110, and crank 110 can be in the end face oval-shaped groove 106 of carousel gear 105 Under acting on the support reaction of crank-pin 108, engine chamber gas load through 110 turns of piston 102, connecting rod 103 and crank The torque for promoting bent axle rotation is turned to, externally output acting.
As shown in Figure 2 and Figure 3, carousel gear 105 can only revolve by sliding bearing fit on trunnion 111 around trunnion Transhipment is dynamic, while the external toothing of little gear 115 of carousel gear 105 and crank arm adjusting means 107.When crank arm adjusting means When 107 self-lockings are motionless, carousel gear 105 will not rotate motion, and now the relative main neck 111 of carousel gear 105 is fixed not Turn.The both ends of crank-pin 108 are inserted respectively into the oval-shaped groove 106 for two carousel gears 105 for being arranged in crank throw both sides, this The part normal force of bent axle can be born by allowing for carousel gear, can be played a part of Auxiliary support, be improved the strong of bent axle Degree.Apart from trunnion 111 apart from farthest, crank-pin 108 when crank-pin 108 moves to 106 major axis vertex position of oval-shaped groove Move to closest apart from trunnion during oval-shaped groove minor axis vertex position.In order to ensure that motion does not interfere, crank The length of rectangular through slot 109 should be not less than the difference of oval-shaped groove major axis and minor axis radius on 110.
As shown in figure 3, crank arm adjusting means mainly by little gear 115, power transmission shaft 114, transmission shaft driven gear 113, Worm and worm-wheel gearing and motor (not shown) composition.The main function of crank arm adjusting means 107 is certain In the range of change carousel gear 105 on oval-shaped groove 106 the anglec of rotation, so as to realize variable compression ratio and variable engine Discharge capacity.Motor can drive 8 (four cylinder engine is 8) little gears on power transmission shaft 114 by Worm and worm-wheel gearing 115 rotations, so as to drive carousel gear 105 to rotate, change the anglec of rotation of oval-shaped groove 106 in carousel gear 105.Crank Pin 108 moves in oval-shaped groove 106, after carousel gear 105 rotates to an angle, oval-shaped groove highs and lows Position changes therewith, so as to change the highs and lows position that crank-pin can reach.Crank-pin 108 can reach Peak position and lowest point directly determine the top dead centre of piston 102 and the position of lower dead center, so working as carousel gear During 105 rotation, engine compression ratio changes therewith.It should be noted that on the stroke of program piston 102 and carousel gear 105 The distance of the highs and lows of oval-shaped groove 106 is equal, while engine compression ratio is changed, also changes engine Discharge capacity.
A part of power during the motion of oval-shaped groove 106, can be passed to disk teeth by crank-pin 108 in carousel gear 105 Wheel 105, carousel gear 105 is driven to rotate, the power of the part will impact to motor performance.In order to reduce the part power to electricity The influence of machine performance is, it is necessary to from the low mechanical transmission mechanism of reverse efficiency.The utility model preferentially selects Worm Wheel System machine Structure, Worm and worm-wheel gearing can effectively reduce reverse transmission.Worm-and-wheel gear coordinates self-locking motor to use, not only can be with Larger gear ratio is realized, the complete self-locking of transmission mechanism can also be realized.Worm screw, it is engaged with the travelling gear, worm screw By self-locking motor or fluid motor-driven.
Variable compression ratio engine specific work process is as follows described in embodiment one:
When engine needs to change compression ratio, control self-locking motor turns an angle, and self-locking motor passes through driver Structure, carousel gear 105 is driven to turn an angle after certain gear ratio is slowed down and increases torsion.Carousel gear 105 turns an angle Afterwards, the position of the highs and lows of oval-shaped groove 106 changes therewith in carousel gear, so as to change engine piston 102 top dead centre and the position of lower dead center, reach the purpose for changing engine compression ratio.Oval-shaped groove in carousel gear 105 When 106 highs and lows are on transverse, piston stroke is maximum, and combustion chamber volume is minimum, and engine compression ratio is most Greatly, discharge capacity is also maximum.When the highs and lows of oval-shaped groove 106 are on ellipse short shaft in carousel gear 105, piston row Journey is minimum, and combustion chamber volume is maximum, and engine compression ratio is minimum, discharge capacity is minimum.When engine need not change compression ratio, from Electric motor locking is locked, carousel gear 105 can not rotate, and position is relatively fixed constant, plays Auxiliary support crank-pin 108 and acts on.
As shown in Fig. 4, Fig. 5, Fig. 6, variable compression ratio engine described in embodiment two, including body group, piston, connecting rod, Variable bent axle and crank arm adjusting means.
As shown in figure 4, body group is mainly made up of cylinder head 201, cylinder block 204 and crankcase three parts, cylinder head 201 On be provided with inlet valve, exhaust valve and the spark plug for engine ignition.Cylinder head and cylinder block are connected by cylinder bolt Connect, joint face accompanies head gasket.Piston 202 is placed in inside cylinder block 204, can be moved vertically up and down along cylinder wall.Connecting rod 203 one end and piston 202 connect, and the crank-pin 208 of the other end and variable bent axle connects.Cylinder block lower cavity is bent axle Case, toggle and crank arm adjusting means are placed in crankcase, are supported on by sliding bearing on crankcase wall.Bent axle Lower box part has oil sump to seal and store lubricating oil.
As shown in figure 5, variable bent axle is built-up crankshaft, the single crank throw on variable bent axle is mainly by trunnion 211, song Handle 210, crank-pin 208 and disk 205 form.Be provided with rectangular through slot 209 on crank 210, the both ends of crank-pin 208 respectively from Stretch out in both sides rectangular through slot 209, the width of rectangular through slot 209 and the diameter of crank-pin 208 match, and such crank-pin 208 can be with Moved freely within the specific limits along the length direction of crank 210 (bent axle is radially).The portion of crank 210 is stretched out at the both ends of crank-pin 208 Point, in the toroidal cavity 206 for two disks 205 for being inserted respectively into crank throw both sides arrangement, in piston 202 and connecting rod 203 Under effect, crank-pin 208 can be along the periodicity high speed rotary motion of toroidal cavity 206.Simultaneously because crank-pin 208 will not be sent out The raw transverse movement relative to crank 210, crank 210 can be in the end face toroidal cavities 206 of disk 205 to crank-pin 208 Under counter-force effect, engine chamber gas load is converted into through piston 202, connecting rod 203 and crank 210 and promotes bent axle rotation The torque turned, externally output acting.
As shown in Figure 5, Figure 6, square slider 214 is machined with trunnion 211, the center of disk 205 is provided with rectangle chute 212, it is linked in by rectangle chute 212 on the square slider 214 on trunnion 211 so that disk 205 can be along square slider 214 along cylinder axis to moving up and down, but can not rotate motion.When crank arm adjusting means self-locking, disk 205 can not Generation is vertical to be moved up and down, and now the relative main neck 211 of disk 205 is fixed.The end of crank-pin 208 is inserted respectively into disk In 205 toroidal cavity 206, this, which allows for disk 205, can bear the part normal force of bent axle, can play Auxiliary support Effect, improve the intensity of bent axle.In order to prevent the motion of crank-pin 208 from interfering, rectangular through slot 209 on crank 210 Length should be not less than 205 vertical movement of disk total kilometres.
As shown in fig. 6, crank arm adjusting means is mainly made up of executing agency, power transmission shaft 217 and double-lever mechanism.Bent axle The main function of arm adjusting means 207 is the vertical position along cylinder-bore axis for changing disk 205.Power transmission shaft 217 is fixed on hair The bent axle lower box part of motivation cylinder block 204, one end are fixed with transmission shaft driven gear 216, and transmission shaft driven gear 216 is by execution machine Structure manipulates it and slightly rotated around its own axis within the specific limits.Executing agency can be the electromechanics of motor and decelerator composition System or hydraulic means.Double-lever mechanism is made up of regulation connecting rod 215 and regulation crank 213.Adjust connecting rod 215 and adjust It is hinged to save crank 213.The other end of regulation connecting rod 215 is hinged in disk bottom projection, adjusts the another of crank 213 End is fixed on power transmission shaft 217, can be rotated with power transmission shaft 217.When power transmission shaft 217 drives regulation in the presence of executing agency Crank 213 turns an angle, and the angle for adjusting connecting rod 215 and adjusting between crank 213 changes therewith, so as to adjust Section connecting rod 215 and disk 205 are jacked up or dragged down, then change the relative distance between disk 205 and power transmission shaft 217, are driven The vertical position of axle 217 immobilizes, so as to reach the purpose for changing disk vertical position.Due to the top dead centre of piston 202 and it is lower only Point position is determined by toroidal cavity highs and lows on disk 205, therefore vertically direction moves up and down when disk 205 When, although the stroke of piston 202 is constant, the volume of combustion chamber changes, so as to reach the mesh for changing engine compression ratio 's.When that need not change engine compression ratio, the position of disk 205 should immobilize, it is desirable to which crank arm adjusting means 207 should There should be auto-lock function.
Variable compression ratio engine specific work process is as follows described in embodiment two:
When engine needs to change compression ratio, control executing agency drives power transmission shaft 217 to turn an angle, power transmission shaft Disk 205 is driven to move up and down certain distance through double-lever mechanism 213.The top dead centre of piston 202 and bottom dead center position are by disk 205 The highs and lows of toroidal cavity 206 determine, disk 205 move up and down certain distance, piston top dead center and lower dead center away from From changing therewith.During being moved up and down in disk 205, the diameter of toroidal cavity 206 does not become on disk To change, the distance of toroidal cavity highs and lows will not change, therefore during disk moves up and down, piston 202 strokes will not change, therefore engine displacement is constant, and when disk moves up, combustion chamber volume reduces, engine Compression ratio increases, and when disk moves down, combustion chamber volume increase, engine compression ratio reduces.When engine compression ratio not When needing to change, executing agency's locking, disk 205 can not be moved up and down, and its position is relatively fixed, and play Auxiliary support crank-pin 208 effects.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art, Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality Specific details is not limited to new and shown here as the legend with description.

Claims (10)

  1. A kind of 1. variable compression ratio engine, it is characterised in that including:
    Crank box;
    Multigroup variable bent axle, it is arranged in the crank box, and the variable bent axle includes:
    Trunnion, it is rotatably supported in the crank box;
    The multiple carousel gears being oppositely arranged two-by-two, its is rotatable to be set on trunnion, in the gear of opposed discs two-by-two Side is provided with oval-shaped groove corresponding to shape same position;
    Crank-pin, its articulated linkage, the crank-pin both ends are inserted into the oval-shaped groove, and can be along the ellipse Groove period rotary motion;
    Crank arm adjusting means, it includes:
    Rotating shaft, it is rotatably supported in the crank box, and described rotating shaft one end has locking device;
    Multiple gears, it is fixedly installed in the rotating shaft, and the gear engages with the carousel gear, can drive the circle Disk gear rotates.
  2. 2. variable compression ratio engine according to claim 1, it is characterised in that also include:Body group, including:
    Cylinder block, the crank box is arranged on the cavity bottom of the cylinder block, for placing toggle and crank arm Adjusting means;
    Cylinder head, it is detachably arranged at the top of the cylinder block, and inlet valve, exhaust valve and use are provided with the cylinder head Carry out the spark plug of engine ignition.
  3. 3. variable compression ratio engine according to claim 2, it is characterised in that also include:
    Piston, it is arranged on the cylinder block cavity inside, can be moved vertically up and down along cylinder wall;
    Connecting rod, its one end are connected with the piston, and the other end connects the crank-pin.
  4. 4. variable compression ratio engine according to claim 1, it is characterised in that the length of rectangular through slot on the crank Not less than the oval-shaped groove major axis and the difference of minor axis radius.
  5. A kind of 5. variable compression ratio engine, it is characterised in that including:
    Crank box;
    Multigroup variable bent axle, it is arranged in the crank box, and the variable bent axle includes:
    Trunnion, its both ends are rotatably supported in the crank box, and have multiple square sliders at middle part;
    The multiple disks being oppositely arranged two-by-two, its is rotatable to be set on trunnion, and it is identical to be provided with shape on the inside of the disk The circular groove of position correspondence, the disc centre have rectangle chute, and the rectangle chute is enclosed on the side on the trunnion On shape sliding block;
    Crank-pin, its articulated linkage, the crank-pin both ends are inserted into the circular groove, and can be along the circular groove Periodic rotational movements;
    Crank arm adjusting means, it includes:
    Power transmission shaft, its one end are fixed with travelling gear, can be rotated in certain angle;
    Double-lever mechanism, it includes the first bar being hinged and the second bar, and the first bar other end connects the power transmission shaft, institute State the second bar other end and be hinged the disk or the periphery against the disk.
  6. 6. variable compression ratio engine according to claim 5, it is characterised in that the double-lever mechanism, including:
    Connecting rod is adjusted, one end of the regulation connecting rod connects the disk;
    Crank is adjusted, its one end and the other end for adjusting connecting rod are hinged, and the other end for adjusting crank is fixed on described On power transmission shaft, and can be with the drive axis.
  7. 7. the variable compression ratio engine according to claim 5 or 6, it is characterised in that rectangular through slot on the crank Length is not less than the total kilometres of the vertical movement of disk.
  8. 8. variable compression ratio engine according to claim 5, it is characterised in that the travelling gear is grasped by executing agency It is indulged slightly to rotate around its own axis within the specific limits.
  9. 9. variable compression ratio engine according to claim 8, it is characterised in that the executing agency includes:Worm screw, its Engaged with the travelling gear.
  10. 10. variable compression ratio engine according to claim 9, it is characterised in that the worm screw is by self-locking motor or liquid Pressure motor drives.
CN201720590084.8U 2017-05-24 2017-05-24 A kind of variable compression ratio engine Withdrawn - After Issue CN206816370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720590084.8U CN206816370U (en) 2017-05-24 2017-05-24 A kind of variable compression ratio engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720590084.8U CN206816370U (en) 2017-05-24 2017-05-24 A kind of variable compression ratio engine

Publications (1)

Publication Number Publication Date
CN206816370U true CN206816370U (en) 2017-12-29

Family

ID=60756051

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720590084.8U Withdrawn - After Issue CN206816370U (en) 2017-05-24 2017-05-24 A kind of variable compression ratio engine

Country Status (1)

Country Link
CN (1) CN206816370U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958488A (en) * 2017-05-24 2017-07-18 吉林大学 A kind of variable compression ratio engine
CN108612141A (en) * 2018-05-04 2018-10-02 芜湖渤江智能科技有限公司 A kind of quick Accrete clearing device of ship
CN109812332A (en) * 2017-11-21 2019-05-28 马克·阿尔伯特·索卡尔斯奇 The one-stroke length mechanism of internal combustion engine or two stroke length mechanisms
CN111622836A (en) * 2020-06-05 2020-09-04 张家陶 Engine crankshaft with adjustable radius
CN111927872A (en) * 2020-09-15 2020-11-13 重庆科技学院 Crankshaft system of internal combustion engine with variable compression ratio, internal combustion engine and control method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958488A (en) * 2017-05-24 2017-07-18 吉林大学 A kind of variable compression ratio engine
CN109812332A (en) * 2017-11-21 2019-05-28 马克·阿尔伯特·索卡尔斯奇 The one-stroke length mechanism of internal combustion engine or two stroke length mechanisms
CN109812332B (en) * 2017-11-21 2022-11-04 马克·阿尔伯特·索卡尔斯奇 Single stroke length mechanism or two stroke length mechanism of internal combustion engine
CN108612141A (en) * 2018-05-04 2018-10-02 芜湖渤江智能科技有限公司 A kind of quick Accrete clearing device of ship
CN111622836A (en) * 2020-06-05 2020-09-04 张家陶 Engine crankshaft with adjustable radius
CN111622836B (en) * 2020-06-05 2021-11-19 张家陶 Engine crankshaft with adjustable radius
CN111927872A (en) * 2020-09-15 2020-11-13 重庆科技学院 Crankshaft system of internal combustion engine with variable compression ratio, internal combustion engine and control method thereof
CN111927872B (en) * 2020-09-15 2021-08-03 重庆科技学院 Crankshaft system of internal combustion engine with variable compression ratio, internal combustion engine and control method thereof

Similar Documents

Publication Publication Date Title
CN206816370U (en) A kind of variable compression ratio engine
CN106958488A (en) A kind of variable compression ratio engine
CN103244260A (en) Compression ratio variable and expansion ratio variable device
US8297239B2 (en) Gyroscopic rotary engine
CN2313052Y (en) Dual-rotating non-linear drive piston-type internal combustion engine
CN2802101Y (en) Driving structure of IC engine
CN102588088A (en) Thread rotor engine
CN105221274A (en) For the variable compression ratio of motor, variable compression ratio engine and automobile
CN202832781U (en) Horizontally-opposed two-stage piston engine horizontally arranged
CN103742258B (en) Rotary engine
CN205936832U (en) Ring type engine
CN201588694U (en) Continuous variable volume compression ratio engine
CN204060931U (en) The differential transmission mechanism of internal-combustion engine
CN104153881B (en) The differential drive mechanism of internal combustion engine
CN101576005B (en) Olivary-rotor engine
CN207245854U (en) A kind of eccentric shaft tile style variable compression ratio device
CN106337731A (en) Rotor engine and novel automobile hybrid power system applying same
CN108757206A (en) A kind of variable-compression-ratio piston and variable compression ratio engine
CN102678288B (en) Spherical double-ring rotary internal combustion engine
CN104832280A (en) Perfect, practical and efficient output internal combustion engine
CN204755081U (en) Energy -conserving internal -combustion engine of optimizing
CN205025569U (en) Harvard formula hydrogen rotating engine
CN204677296U (en) Improve the internal-combustion engine that practicality and high efficiency exports
CN202690216U (en) Spherical dual-ring rotor internal combustion engine
CN2264254Y (en) Swing piston 4-stroke engine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20171229

Effective date of abandoning: 20230620

AV01 Patent right actively abandoned

Granted publication date: 20171229

Effective date of abandoning: 20230620