| Patents for F02D 15 - Varying compression ratio (2,571) |
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| 10/12/2011 | CN102216586A Piston engine with part for covering bottom surface of cap portion of mushroom valve |
| 10/12/2011 | CN102213332A Reversing valve and combustion engine with the reversing valve |
| 10/06/2011 | WO2011121711A1 Control device for vehicle |
| 10/05/2011 | CN202001121U Low-fuel high-efficiency engine |
| 10/05/2011 | CN102207035A Internal combustion engine with auxiliary combustion chamber |
| 09/22/2011 | DE102010016037A1 Switchover valve, particularly for controlling hydraulic fluid flow of internal combustion engine, has ballpoint mechanism, which is engaged by applying actuating impulse to actuating unit of ballpoint mechanism |
| 09/21/2011 | EP2366064A1 Internal combustion engine with a variable-geometry combustion chamber |
| 09/20/2011 | CA2582836C Apparatus and method for calculating work load engine |
| 09/15/2011 | WO2011112735A1 Multi-mode high efficiency internal combustion engine |
| 09/14/2011 | CN201972794U 一种可变压缩比发动机 A variable compression ratio engine |
| 09/13/2011 | US8015955 Variable stroke |
| 09/09/2011 | WO2011108120A1 Combustion pressure control device |
| 09/09/2011 | WO2011107128A1 Method for operating a reciprocating-piston engine |
| 09/09/2011 | WO2011107127A1 Method for operating a reciprocating piston machine |
| 09/09/2011 | WO2011107126A1 Reciprocating piston machine |
| 09/08/2011 | DE102010009910A1 Verfahren zum Betreiben einer Hubkolbenmaschine A method of operating a reciprocating piston engine |
| 09/08/2011 | DE102010009908A1 Verfahren zum Betreiben einer Hubkolbenmaschine A method of operating a reciprocating piston engine |
| 09/08/2011 | DE102010009907A1 Hubkolbenmaschine Reciprocating engine |
| 09/06/2011 | US8011094 Method of converting diesel engine to natural gas engine |
| 08/31/2011 | EP2362082A1 Engine system control device |
| 08/25/2011 | WO2011101561A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 08/25/2011 | DE102010008802A1 Drive unit for use as central propulsion unit in drive axle of wheel loader, has piston pump and restrictor motor partly arranged within dimensions of combustion engine, where restrictor motor is connected with driven shaft of unit |
| 08/25/2011 | CA2784058A1 Double-acting piston compressor guided by a roller and driven by a gearwheel and racks |
| 08/17/2011 | CN102159818A Internal combustion engine with working piston and control piston |
| 08/17/2011 | CN102155274A Continuously variable compression ratio engine and power output device thereof |
| 08/11/2011 | WO2011096433A1 Engine |
| 08/10/2011 | EP1762415B1 Mount device for variable compression ratio internal combustion engine |
| 08/10/2011 | CN201925058U 一种汽油发动机 A gasoline engine |
| 08/10/2011 | CN201925032U 汽油发动机 Gasoline engine |
| 08/04/2011 | WO2011092868A1 Spark-ignition internal-combustion engine |
| 08/04/2011 | WO2011092867A1 Spark-ignition internal combustion engine |
| 08/04/2011 | WO2011092365A1 Rotary engine working with alternative fuels |
| 08/04/2011 | WO2011092364A1 Internal-combustion engine working with alternative fuels |
| 08/03/2011 | CN102140967A Method for operating a direct-injection spark-assisted compression-ignition engine |
| 08/03/2011 | CN101384809B Spark ignition type internal combustion engine |
| 07/28/2011 | WO2011090593A2 Internal combustion engine with variable compression ratio |
| 07/28/2011 | WO2011090590A2 Internal combustion engine with variable compression ratio |
| 07/28/2011 | US20110180045 Ignition timing control apparatus and method for internal combustion engine |
| 07/27/2011 | CN102137994A Spark-ignition internal combustion engine |
| 07/27/2011 | CN102137993A Spark-ignited internal combustion engine |
| 07/21/2011 | DE102010004593A1 Combustion engine has crankshaft, eccentric shaft and multi-joint crank gear arranged between crankshaft and eccentric shaft |
| 07/21/2011 | DE102010004578A1 Internal combustion engine has multi-joint crank drive with eccentric shaft coupled with crank shaft, where multi-joint crank drive has coupling elements and articulation rods |
| 07/20/2011 | EP2140122B1 Control apparatus for internal combustion engine |
| 07/20/2011 | CN102132021A Ball-screw lift device for variable compression-ratio engine |
| 07/13/2011 | CN102121426A Low-fuel consumption efficient engine |
| 07/07/2011 | WO2011080844A1 Spark ignition internal combustion engine |
| 07/06/2011 | CN201891517U Cylinder head with fine volume-adjusting device |
| 06/30/2011 | DE102010051145A1 Drive strand for motor vehicle, has internal-combustion engine, which has crankshaft adjustably supported around variable compression ratio |
| 06/29/2011 | CN201884136U High-compression-ratio internal combustion engine based on intake and exhaust in twice |
| 06/23/2011 | WO2011074130A1 Compression ratio variable v-type internal combustion engine |
| 06/22/2011 | EP2336521A1 A cylinder arrangement for an internal combustion engine |
| 06/22/2011 | CN201874678U Double-stroke engine with variable compression ratio |
| 06/16/2011 | WO2011070686A1 Spark ignition type internal combustion engine |
| 06/16/2011 | DE102009057665A1 Verbrennungskraftmaschine sowie Verfahren zum Betreiben einer solchen Verbrennungskraftmaschine Internal combustion engine and method for operating such an internal combustion engine |
| 06/15/2011 | CN102094716A Variable compression ratio engine |
| 06/09/2011 | WO2011067865A1 Spark ignition type internal combustion engine |
| 06/09/2011 | DE102007016122B4 Zündzeitsteuerungssystem und -verfahren für einen Verbrennungsmotor Ignition timing control system and method for an internal combustion engine |
| 06/08/2011 | CN102086812A Variable compression ratio apparatus of exhaust gas brake |
| 06/08/2011 | CN102086811A Variable compression ratio device |
| 06/08/2011 | CN101408128B Variable stroke engine |
| 05/26/2011 | WO2011013871A9 Internal combustion engine able to adjust the compression ratio and displacement, comprising a load adjuster |
| 05/26/2011 | DE112009001849T5 Verbrennungsmotor der Funkenzündungsbauform Spark ignition internal combustion engine design |
| 05/26/2011 | DE102009046857A1 Adjusting gear for adjusting compression ratio of internal combustion engine, comprises actuator, where spur wheel sections are formed with gears wheels and drive member |
| 05/25/2011 | EP2165061B1 Spark-ignited internal combustion engine and method of controlling the same |
| 05/25/2011 | EP2165060B1 Spark-ignited internal combustion engine and method of controlling the same |
| 05/25/2011 | CN102072030A Diesel engine system and electronic air distributor |
| 05/25/2011 | CN101258304B Two-stroke engine with variable compression |
| 05/18/2011 | CN102061990A Controllable double-stroke energy-saving and environmental-protection engine |
| 05/18/2011 | CN101375043B Electromechanical device for controlling a variable compression ratio engine |
| 05/12/2011 | WO2011055118A1 A two-stroke internal combustion engine with variable compression ratio and an exhaust port shutter and a method of operating such an engine |
| 05/12/2011 | US20110107998 Engine With Variable Compression Ratio |
| 05/11/2011 | CN102052227A Spark-ignition gasoline engine |
| 05/11/2011 | CN102052165A Device with variable compression ratio |
| 05/05/2011 | WO2011052092A1 Control device for variable compression ratio internal combustion engine |
| 04/28/2011 | WO2010151238A4 Rotary valve system-for internal combustion engines |
| 04/27/2011 | EP2313629A1 Internal combustion engine with working, piston and control piston |
| 04/27/2011 | CN102032054A Variable compression ratio device |
| 04/27/2011 | CN101016863B Variable compression ratio device of piston reciprocating internal combustion engine |
| 04/21/2011 | WO2011046041A1 Miller cycle engine |
| 04/20/2011 | EP2310651A2 Ball-screw lift device for variable compression-ratio engine |
| 04/20/2011 | CN1969112B Independent combustion chamber-type internal combustion engine |
| 04/14/2011 | DE102009048716A1 Brennkraftmaschine Internal combustion engine |
| 04/13/2011 | EP2307687A2 Ball lift device for adjusting the compression ratio of a variable compression ratio engine |
| 04/13/2011 | CN201794677U Variable compression-ratio piston of internal combustion engine |
| 04/13/2011 | CN101568708B Engine warm-up of a homogeneous charge compression ignition engine |
| 04/12/2011 | US7925422 Controller of internal combustion engine |
| 04/07/2011 | US20110079200 Variable compression ratio device |
| 04/07/2011 | DE102009048172A1 Piston for internal combustion engine of motor vehicle, has switchable valve device arranged at inner side at piston skirt and adjusting volume of pressurized medium in chamber, where valve device is designed as shut-off valve |
| 03/30/2011 | CN101994579A Twice air intake and exhaust based high compression ratio combustion engine and operating method thereof |
| 03/24/2011 | WO2011034410A1 Four-stroke internal-combustion engine with partial recovery of energy from the gases produced by combustion by transferring said gases to the next compression phase |
| 03/24/2011 | WO2010141077A3 Internal combustion engine |
| 03/24/2011 | DE102009038180A1 Motor vehicle engine has crank drive and variable compression, where crank shaft of crank drive in bearing rods of rocker is supported between two ends of bearing rods |
| 03/23/2011 | EP1977094B1 A two-stroke internal combustion engine with variable compression ratio and an exhaust port shutter |
| 03/17/2011 | WO2011030471A1 Combustion pressure controller |
| 03/16/2011 | EP2295771A1 Spark ignited internal combustion engine system, engine control method and computer program product for engine control |
| 03/10/2011 | WO2011027914A1 V-type compression ratio variable internal combustion engine |
| 03/10/2011 | WO2011027478A1 Variable-compression-ratio, v-type internal combustion engine |
| 03/03/2011 | WO2010151415A3 Half cycle eccentric crank-shafted engine |
| 03/02/2011 | CN101701551B Large angular displacement controlling device for mechanical system |
| 02/24/2011 | WO2011020943A1 Cylinder pressure adjuster of a motor |