CN104153893B - The internal combustion engine of the Ratios of a kind of changeable control mode and control method thereof - Google Patents
The internal combustion engine of the Ratios of a kind of changeable control mode and control method thereof Download PDFInfo
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- CN104153893B CN104153893B CN201410166738.5A CN201410166738A CN104153893B CN 104153893 B CN104153893 B CN 104153893B CN 201410166738 A CN201410166738 A CN 201410166738A CN 104153893 B CN104153893 B CN 104153893B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000007906 compression Methods 0.000 claims abstract description 89
- 230000006835 compression Effects 0.000 claims abstract description 89
- 239000000446 fuel Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 241000196259 Ulva pertusa Species 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses internal combustion engine and the control method thereof of the Ratios of a kind of changeable control mode, it is desirable to provide a kind of variable compression ratio, and there is internal combustion engine and the control method thereof of the Ratios of the feature controlling accuracy and response promptness.It includes bent axle, connecting shaft, auxiliary rod, sub-arm, compression ratio modulation mechanism, cylinder block, piston, connects the connecting rod of bent axle and connecting shaft and is connected the connecting rod of piston and connecting shaft.Compression ratio modulation mechanism includes the first hydraulic cylinder, the second hydraulic cylinder and adjusting rod.The cylinder body of the first hydraulic cylinder is fixedly installed, and the piston rod end of the first hydraulic cylinder is hinged on adjusting rod.The cylinder ends of the second hydraulic cylinder is hinged on IC engine airframe, and its piston rod end is hinged on adjusting rod.One end of auxiliary rod is rotating to be connected with connecting shaft, and one end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft, and the other end of sub-arm is hinged with adjusting rod by the second rotating shaft.
Description
Technical field
The present invention relates to a kind of internal combustion engine, be specifically related to internal combustion engine and the control method thereof of the Ratios of a kind of changeable control mode.
Background technology
Compression ratio of internal-combustion engine refers to the cylinder total volume before compression and the ratio of the volume of cylinder (i.e. combustion chamber volume) after compression.Compression ratio is the important attribute of internal combustion engine, and compression ratio is on the low side can be reduced the thermal efficiency of internal combustion engine and can reduce, so that fuel economy declines；Although and high compression ratio can improve the thermal efficiency, but also improve the risk of pinking simultaneously.The compression ratio of the most commonly used internal combustion engine is single fixed value, it needs when there is problems in that high rotating speed to postpone ignition advance angle with Ulva Pertusa, cannot make full use of substitute fuel attribute (as in methanol, low speed anti-knock be better than gasoline, gasoline about it is equal to during high speed), emission performance difference etc. in warming-up process；For boosting internal combustion engine, owing to the compression ratio of boosting internal combustion engine itself is less than the compression ratio of spontaneous intake type internal combustion engine；And boosting internal combustion engine is during low-speed running, pressure charging system can produce the phenomenon of turbo lag, only after boosting internal combustion engine accelerates to certain rotating speed, pressure charging system just can play a role, so that the thermal efficiency that boosting internal combustion engine is during low-speed running reduces, reduces fuel economy.
In order to solve the deficiency that above-mentioned fixing compression ratio internal combustion engine exists, variable compression ratio is an important method.Such as, under boosting internal combustion engine low-speed running, the running on the lower load of low pressure, make compression ratio bring up to identical with spontaneous intake type internal combustion engine compression ratio or exceed, improve the thermal efficiency and fuel economy；Compression ratio is suitably reduced with Ulva Pertusa under the high load capacity operating mode of high pressure-charging.Although current car combustion engine has been developed for variable compression ratio internal combustion engine scheme, it is possible to solve the deficiency that above-mentioned fixing compression ratio internal combustion engine exists；But current variable compression ratio internal combustion engine common problem is: compression ratio adjustment control accuracy is not added with or compression ratio adjustment response speed is slow.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of variable compression ratio, and there is internal combustion engine and the control method thereof of the Ratios of the changeable control mode of the feature controlling accuracy and response promptness.
The technical scheme is that
nullA kind of internal combustion engine of the Ratios of changeable control mode，Including bent axle，Connecting shaft，Cylinder block，The piston being arranged in cylinder block，Connect the connecting rod of bent axle and connecting shaft and be connected the connecting rod of piston and connecting shaft，Also include auxiliary rod，Sub-arm and compression ratio modulation mechanism，Described compression ratio modulation mechanism includes the first hydraulic cylinder、Second hydraulic cylinder and adjusting rod，The cylinder body of described first hydraulic cylinder is fixedly installed，The piston rod end of the first hydraulic cylinder is hinged on adjusting rod，The cylinder ends of described second hydraulic cylinder is hinged on IC engine airframe，The piston rod end of the second hydraulic cylinder is hinged on adjusting rod，Described adjusting rod is perpendicular with connecting shaft，And first and second hydraulic cylinder is positioned at the same side of adjusting rod，One end of described auxiliary rod can be connected with connecting shaft around what connecting shaft rotated，One end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft，The other end of sub-arm is hinged with adjusting rod by the second rotating shaft，And second rotating shaft between first and second hydraulic cylinder，Described first rotating shaft and the second rotating shaft are all paralleled with connecting shaft，The piston rod telescopic direction of first and second hydraulic cylinder described is perpendicular with connecting shaft；First hydraulic cylinder is vertically arranged, and first and second hydraulic cylinder is positioned at the same side of connecting shaft, and the first hydraulic cylinder is near connecting shaft, and the second hydraulic cylinder is away from connecting shaft.This programme controls the second rotating shaft Up/Down by first and second hydraulic cylinder, makes the first rotating shaft Up/Down therewith, thus changes the piston stroke in cylinder block, makes the compression ratio of internal combustion engine become greatly/diminish；Meanwhile, also there is compression ratio adjustment and control accuracy and the feature of response promptness.
A kind of internal combustion engine of the Ratios of changeable control mode, including bent axle, connecting shaft, cylinder block, the piston being arranged in cylinder block, connect the connecting rod of bent axle and connecting shaft and be connected the connecting rod of piston and connecting shaft, also include auxiliary rod, sub-arm and compression ratio modulation mechanism, described compression ratio modulation mechanism includes the first hydraulic cylinder, second hydraulic cylinder and adjusting rod, first and second hydraulic cylinder described is vertically arranged, and first and second hydraulic cylinder is distributed side by side, the cylinder body of first and second hydraulic cylinder is all fixedly installed, the piston rod end of the first hydraulic cylinder is hinged on adjusting rod；Being arranged with the sliding sleeve that can slide along adjusting rod on described adjusting rod, the piston rod end of described second hydraulic cylinder is hinged on sliding sleeve；Described adjusting rod is perpendicular with connecting shaft, and first and second hydraulic cylinder is positioned at the same side of adjusting rod, one end of described auxiliary rod can be connected with connecting shaft around what connecting shaft rotated, one end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft, the other end of sub-arm is hinged with adjusting rod by the second rotating shaft, and second rotating shaft between the first hydraulic cylinder and sliding sleeve, described first rotating shaft and the second rotating shaft are all paralleled with connecting shaft, and the piston rod telescopic direction of first and second hydraulic cylinder described is perpendicular with connecting shaft；First hydraulic cylinder is vertically arranged, and first and second hydraulic cylinder is positioned at the same side of connecting shaft, and the first hydraulic cylinder is near connecting shaft, and the second hydraulic cylinder is away from connecting shaft.This programme controls the second rotating shaft Up/Down by first and second hydraulic cylinder, makes the first rotating shaft Up/Down therewith, thus changes the piston stroke in cylinder block, makes the compression ratio of internal combustion engine become greatly/diminish；Meanwhile, also there is compression ratio adjustment and control accuracy and the feature of response promptness.
The control method of the internal combustion engine of the Ratios of a kind of changeable control mode, including fixing compression ratio control method, compression ratio accurate control method and compression ratio FAST RESPONSE；
Described fixing compression ratio control method is as follows: make adjusting rod be in the state remained stationary by controlling first and second hydraulic cylinder, so that the compression ratio of internal combustion engine keeps constant；
Described compression ratio accurate control method is as follows: makes the second rotating shaft pan-up/vertically move down by controlling first and second hydraulic cylinder, and makes the first rotating shaft Up/Down therewith, thus changes the piston stroke in cylinder block, make the compression ratio of internal combustion engine become big/diminish；
Described compression ratio FAST RESPONSE includes following two control method:
One, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder move down with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made down to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine diminish；
They are two years old, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder up move with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made up to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine become big.
The invention has the beneficial effects as follows: not only the variable compression of internal combustion engine can be adjusted, and there is control accuracy and the feature of response promptness.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the embodiment of the present invention 1.
Fig. 2 is a kind of structural representation of the embodiment of the present invention 2.
In figure: the first hydraulic cylinder 1, the second hydraulic cylinder 2, adjusting rod 3, sliding sleeve 4, the second rotating shaft 5, sub-arm 6, the first rotating shaft 7, auxiliary rod 8, bent axle 9, connecting rod 10, connecting shaft 11, connecting rod 12, piston 13, cylinder block 14.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment 1: as shown in Figure 1, the internal combustion engine of the Ratios of a kind of changeable control mode includes bent axle 9, connecting shaft 11, auxiliary rod 8, sub-arm 6, compression ratio modulation mechanism, cylinder block 14, the piston 13 being arranged in cylinder block, connects the connecting rod 10 of bent axle and connecting shaft and is connected the connecting rod 12 of piston and connecting shaft.Connecting shaft is between cylinder block and bent axle.
Compression ratio modulation mechanism includes the first hydraulic cylinder the 1, second hydraulic cylinder 2 and adjusting rod 3.First hydraulic cylinder is vertically arranged.The cylinder body of the first hydraulic cylinder is fixedly installed.The piston rod end of the first hydraulic cylinder is hinged on adjusting rod.The cylinder ends of the second hydraulic cylinder is hinged on IC engine airframe.The piston rod end of the second hydraulic cylinder is hinged on adjusting rod.Adjusting rod is perpendicular with connecting shaft.First and second hydraulic cylinder is positioned at the same side of adjusting rod, and first and second hydraulic cylinder is positioned at above adjusting rod.First and second hydraulic cylinder is positioned at the same side of connecting shaft, and the first hydraulic cylinder is near connecting shaft, and the second hydraulic cylinder is away from connecting shaft.The piston rod telescopic direction of first and second hydraulic cylinder is perpendicular with connecting shaft.
One end of auxiliary rod can be connected with connecting shaft around what connecting shaft rotated.One end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft 7, and the other end of sub-arm is hinged with adjusting rod by the second rotating shaft 5, and the second rotating shaft is between first and second hydraulic cylinder.Sub-arm is positioned at above auxiliary rod.First rotating shaft and the second rotating shaft are all paralleled with connecting shaft.
Embodiment 2: as shown in Figure 2, the internal combustion engine of the Ratios of a kind of changeable control mode includes bent axle 9, connecting shaft 11, auxiliary rod 8, sub-arm 6, compression ratio modulation mechanism, cylinder block 14, the piston 13 being arranged in cylinder block, connects the connecting rod 10 of bent axle and connecting shaft and is connected the connecting rod 12 of piston and connecting shaft.Connecting shaft is between cylinder block and bent axle.
Compression ratio modulation mechanism includes the first hydraulic cylinder the 1, second hydraulic cylinder 2 and adjusting rod 3.First and second hydraulic cylinder is vertically arranged, and first and second hydraulic cylinder is distributed side by side.The cylinder body of first and second hydraulic cylinder is all fixedly installed.The piston rod end of the first hydraulic cylinder is hinged on adjusting rod.The sliding sleeve 4 that can slide it is arranged with along adjusting rod on adjusting rod.The piston rod end of the second hydraulic cylinder is hinged on sliding sleeve.Adjusting rod is perpendicular with connecting shaft.First and second hydraulic cylinder is positioned at the same side of adjusting rod, and first and second hydraulic cylinder is positioned at above adjusting rod.First and second hydraulic cylinder is positioned at the same side of connecting shaft, and the first hydraulic cylinder is near connecting shaft, and the second hydraulic cylinder is away from connecting shaft.The piston rod telescopic direction of first and second hydraulic cylinder is perpendicular with connecting shaft.
One end of auxiliary rod can be connected with connecting shaft around what connecting shaft rotated.One end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft 7, and the other end of sub-arm is hinged with adjusting rod by the second rotating shaft 5, and the second rotating shaft is between first and second hydraulic cylinder.Sub-arm is positioned at above auxiliary rod.First rotating shaft and the second rotating shaft are all paralleled with connecting shaft.
Embodiment 3, the control method of the internal combustion engine of the Ratios of a kind of changeable control mode, the concrete structure of the internal combustion engine of the Ratios of the changeable control mode in this control method is with reference to embodiment 1 or embodiment 2.
The control method of the internal combustion engine of the Ratios of a kind of changeable control mode, it includes fixing compression ratio control method, compression ratio accurate control method and compression ratio FAST RESPONSE.
Fixing compression ratio control method is as follows: make adjusting rod be in the state remained stationary by controlling first and second hydraulic cylinder, so that the compression ratio of internal combustion engine keeps constant.
Compression ratio accurate control method is as follows: make the second rotating shaft pan-up/vertically move down by controlling first and second hydraulic cylinder, and make the first rotating shaft Up/Down therewith, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine become greatly/diminish (as shown in Figure 1 and Figure 2).Owing to the first hydraulic cylinder is vertically arranged, thus the length variable quantity that the piston rod of the first hydraulic cylinder stretches out in compression ratio accurate control method is the displacement of the second rotating shaft pan-up/vertically move down, the piston stroke variable quantity can being scaled in the cylinder block of internal combustion engine by calculating, the variable quantity of compression ratio can be controlled accurately, thus have and control characteristic accurately.Meanwhile, compression ratio can also be adjusted by this control method timely, has preferable response speed.Compression ratio accurate control method being precisely controlled based on compression ratio adjustment, it is adaptable to the situation that compression ratio adjustment accuracy is high；Have response promptness concurrently simultaneously.
Compression ratio FAST RESPONSE includes following two control method:
One, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder move down with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made down to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine diminish (as shown in Figure 1 and Figure 2)；
They are two years old, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder up move with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made up to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine become big (as shown in Figure 1 and Figure 2).
By actual tests process verification, the piston stroke variable quantity that the length variable quantity that the piston rod of the second hydraulic cylinder stretches out in compression ratio FAST RESPONSE is far smaller than in the cylinder block of internal combustion engine；Thus it can regulate the variable quantity of compression ratio rapidly, there is the rapid feature of response.Meanwhile, this control method can also accurately control the variable quantity of compression ratio.Compression ratio FAST RESPONSE is based on the response promptness of compression ratio adjustment, it is adaptable to compression ratio adjustment response promptness is required high situation；Have accuracy concurrently simultaneously.
In actual application, can be set according to specific circumstances selecting compression ratio accurate control method or compression ratio FAST RESPONSE to regulate the compression ratio of internal combustion engine；After compression ratio adjustment reaches to arrange requirement, control compression ratio of internal-combustion engine by fixing compression ratio control method, make compression ratio be maintained in a fixed value to operate internal combustion engine.
Claims (5)
- null1. the internal combustion engine of the Ratios of a changeable control mode，Including bent axle (9)，Connecting shaft (11)，Cylinder block (14)，The piston (13) being arranged in cylinder block，Connect the connecting rod (10) of bent axle and connecting shaft and be connected the connecting rod (12) of piston and connecting shaft，It is characterized in that，Also include auxiliary rod (8)，Sub-arm (6) and compression ratio modulation mechanism，Described compression ratio modulation mechanism includes the first hydraulic cylinder (1)、Second hydraulic cylinder (2) and adjusting rod (3)，The cylinder body of described first hydraulic cylinder is fixedly installed，The piston rod end of the first hydraulic cylinder is hinged on adjusting rod，The cylinder ends of described second hydraulic cylinder is hinged on IC engine airframe，The piston rod end of the second hydraulic cylinder is hinged on adjusting rod，Described adjusting rod is perpendicular with connecting shaft，And first and second hydraulic cylinder is positioned at the same side of adjusting rod，One end of described auxiliary rod can be connected with connecting shaft around what connecting shaft rotated，One end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft (7)，The other end of sub-arm is hinged with adjusting rod by the second rotating shaft (5)，And second rotating shaft between first and second hydraulic cylinder，Described first rotating shaft and the second rotating shaft are all paralleled with connecting shaft，The piston rod telescopic direction of first and second hydraulic cylinder described is perpendicular with connecting shaft.
- The internal combustion engine of the Ratios of a kind of changeable control mode the most according to claim 1, it is characterized in that, described first hydraulic cylinder is vertically arranged, and first and second hydraulic cylinder is positioned at the same side of connecting shaft, and first hydraulic cylinder near connecting shaft, the second hydraulic cylinder is away from connecting shaft.
- 3. the internal combustion engine of the Ratios of a changeable control mode, including bent axle (9), connecting shaft (11), cylinder block (14), the piston (13) being arranged in cylinder block, connect the connecting rod (10) of bent axle and connecting shaft and be connected the connecting rod (12) of piston and connecting shaft, it is characterized in that, also include auxiliary rod (8), sub-arm (6) and compression ratio modulation mechanism, described compression ratio modulation mechanism includes the first hydraulic cylinder (1), second hydraulic cylinder (2) and adjusting rod (3), first and second hydraulic cylinder described is vertically arranged, and first and second hydraulic cylinder is distributed side by side, the cylinder body of first and second hydraulic cylinder is all fixedly installed, the piston rod end of the first hydraulic cylinder is hinged on adjusting rod；Being arranged with the sliding sleeve (4) that can slide along adjusting rod on described adjusting rod, the piston rod end of described second hydraulic cylinder is hinged on sliding sleeve；Described adjusting rod is perpendicular with connecting shaft, and first and second hydraulic cylinder is positioned at the same side of adjusting rod, one end of described auxiliary rod can be connected with connecting shaft around what connecting shaft rotated, one end of sub-arm is hinged with the auxiliary rod end away from connecting shaft by the first rotating shaft (7), the other end of sub-arm is hinged with adjusting rod by the second rotating shaft (5), and second rotating shaft between the first hydraulic cylinder and sliding sleeve, described first rotating shaft and the second rotating shaft are all paralleled with connecting shaft, and the piston rod telescopic direction of first and second hydraulic cylinder described is perpendicular with connecting shaft.
- The internal combustion engine of the Ratios of a kind of changeable control mode the most according to claim 3, it is characterized in that, described first hydraulic cylinder is vertically arranged, and first and second hydraulic cylinder is positioned at the same side of connecting shaft, and first hydraulic cylinder near connecting shaft, the second hydraulic cylinder is away from connecting shaft.
- 5. a control method for the internal combustion engine of the Ratios of the changeable control mode described in claim 2 or 4, is characterized in that, including fixing compression ratio control method, and compression ratio accurate control method and compression ratio FAST RESPONSE,Described fixing compression ratio control method is as follows: make adjusting rod be in the state remained stationary by controlling first and second hydraulic cylinder, so that the compression ratio of internal combustion engine keeps constant；Described compression ratio accurate control method is as follows: makes the second rotating shaft pan-up/vertically move down by controlling first and second hydraulic cylinder, and makes the first rotating shaft Up/Down therewith, thus changes the piston stroke in cylinder block, make the compression ratio of internal combustion engine become big/diminish；Described compression ratio FAST RESPONSE includes following two control method:One, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder move down with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made down to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine diminish；They are two years old, control the state that the first hydraulic cylinder makes the jointed shaft of the first hydraulic cylinder and adjusting rod remain stationary, control the second hydraulic cylinder makes the second hydraulic cylinder up move with the jointed shaft of adjusting rod simultaneously, adjusting rod and the second rotating shaft is made up to rotate around the jointed shaft of the first hydraulic cylinder with adjusting rod, and make the first rotating shaft move, thus change the piston stroke in cylinder block, make the compression ratio of internal combustion engine become big.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410166738.5A CN104153893B (en) | 2014-04-24 | 2014-04-24 | The internal combustion engine of the Ratios of a kind of changeable control mode and control method thereof |
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| CN201410166738.5A CN104153893B (en) | 2014-04-24 | 2014-04-24 | The internal combustion engine of the Ratios of a kind of changeable control mode and control method thereof |
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| CN104153893B true CN104153893B (en) | 2016-08-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705086A (en) * | 2012-07-08 | 2012-10-03 | 袁辉 | Variable-compression-ratio device of piston-reciprocating internal combustion engine |
| CN102877960A (en) * | 2012-10-17 | 2013-01-16 | 赵立军 | Engine with variable compression ratio |
| CN102937052A (en) * | 2012-11-30 | 2013-02-20 | 长城汽车股份有限公司 | Variable-compression-ratio mechanism of engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58165543A (en) * | 1982-03-25 | 1983-09-30 | Hitachi Zosen Corp | Internal-combustion engine with variable compression ratio device |
| US7827943B2 (en) * | 2008-02-19 | 2010-11-09 | Tonand Brakes Inc | Variable compression ratio system |
| JP5673331B2 (en) * | 2011-04-26 | 2015-02-18 | 日産自動車株式会社 | Variable compression ratio device for internal combustion engine |
-
2014
- 2014-04-24 CN CN201410166738.5A patent/CN104153893B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705086A (en) * | 2012-07-08 | 2012-10-03 | 袁辉 | Variable-compression-ratio device of piston-reciprocating internal combustion engine |
| CN102877960A (en) * | 2012-10-17 | 2013-01-16 | 赵立军 | Engine with variable compression ratio |
| CN102937052A (en) * | 2012-11-30 | 2013-02-20 | 长城汽车股份有限公司 | Variable-compression-ratio mechanism of engine |
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Address after: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant after: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Applicant after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Applicant after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Applicant after: SHANDONG JILI TRANSMISSION Co.,Ltd. Applicant after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant after: HUNAN JISHENG INTERNATIONAL POWER TRANSMISSION SYSTEM Co.,Ltd. Applicant after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Applicant before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Applicant before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Applicant before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Applicant before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Applicant before: SHANDONG JILI TRANSMISSION Co.,Ltd. Applicant before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant before: HUNAN JISHENG INTERNATIONAL POWER TRANSMISSION SYSTEM Co.,Ltd. |
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Effective date of registration: 20151230 Address after: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant after: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Applicant after: JI'NAN GEELY AUTO PARTS Co.,Ltd. Applicant after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Applicant after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Applicant before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Applicant before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Applicant before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Applicant before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Applicant before: SHANDONG JILI TRANSMISSION Co.,Ltd. Applicant before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Applicant before: HUNAN JISHENG INTERNATIONAL POWER TRANSMISSION SYSTEM Co.,Ltd. Applicant before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20161129 Address after: 322003, Jixiang Road, 18 Town, Yiwu, Zhejiang Patentee after: Zhejiang Yili Auto Parts Co.,Ltd. Address before: 315336 Binhai New Area, Hangzhou Bay, Zhejiang, No. two, No. 818 Road, No. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. Patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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Effective date of registration: 20231127 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Zhejiang liankong Technology Co.,Ltd. Address before: No.18, Jixiang Road, Chian Town, Yiwu City, Zhejiang Province, 2003 Patentee before: Zhejiang Yili Auto Parts Co.,Ltd. |