| Patents for F02D 15 - Varying compression ratio (2,571) |
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| 09/18/2013 | EP2639430A1 Engine |
| 09/18/2013 | CN203201670U System for hydraulic compression control of homogenized mixed gas combustion of internal combustion engine |
| 09/12/2013 | WO2013133112A1 Control device and control method for internal combustion engine with supercharger |
| 08/29/2013 | US20130220279 Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use |
| 08/21/2013 | CN103256126A Mechanical auxiliary homogeneous charge compression ignition control system for combustion engine |
| 08/21/2013 | CN103256125A System for hydraulic compression control over combustion of homogeneous gas mixture of internal-combustion engine |
| 08/15/2013 | WO2013119330A1 Variable compression ratio engine |
| 08/14/2013 | EP2625408A2 Method for adjusting the compression ratio in a combustion engine during the transition between the hcci combustion mode and the spark-ignited combustion mode |
| 08/14/2013 | EP2625394A1 Single piston sleeve valve with optional variable compression ratio capability |
| 08/14/2013 | EP2625393A1 Positive control (desmodromic) valve systems for internal combustion engines |
| 08/14/2013 | DE102012002828A1 Control device for controlling piston stroke adjustment of e.g. petrol engine, has locking element on which positive connection between position bolt and piston pin is produced according to displacement of position bolt |
| 08/14/2013 | CN103249920A Single piston sleeve valve with optional variable compression ratio capability |
| 08/14/2013 | CN103244260A Compression ratio variable and expansion ratio variable device |
| 08/14/2013 | CN103244259A Cylinder communication four-stroke engine and corresponding automobile |
| 08/07/2013 | CN103233824A Capacity-controlling constant pressure system of engine |
| 08/07/2013 | CN103233789A Multi-mode two-stroke atkinson cycle internal-combustion engine with fully overhead valve |
| 07/31/2013 | CN203098061U Air cylinder structure of automobile engine |
| 07/31/2013 | CN103228877A Internal combustion engine valve actuation and adjustable lift and timing |
| 07/25/2013 | DE112010005962T5 Steuervorrichtung für eine fahrzeuggestützte Verbrennungskraftmaschine A control apparatus for a vehicle-mounted internal combustion engine |
| 07/18/2013 | DE112009001849B4 Verbrennungsmotor der Funkenzündungsbauform Spark ignition internal combustion engine design |
| 07/17/2013 | CN101796282B Spark-ignited internal combustion engine |
| 07/16/2013 | CA2692703C Hydraulic supply for a variable compression ratio engine |
| 07/10/2013 | CN103195566A Combustion engine capable of changing displacement continuously |
| 07/10/2013 | CN102713212B 内燃机 Internal combustion engine |
| 07/10/2013 | CN102132021B Ball-screw lift device for variable compression-ratio engine |
| 07/04/2013 | DE112011102771T5 Mehrzylinder-Fremdzündungsmotor Multi-cylinder SI engine |
| 07/04/2013 | DE102012212885B3 Method for operating internal combustion engine, involves adjusting compression ratio for each cylinder in individual manner, where measuring value of operating parameter is determined for component of internal combustion engine |
| 07/03/2013 | CN103189624A Control device for in-vehicle internal combustion engine |
| 07/03/2013 | CN103189623A 发动机 Engine |
| 07/03/2013 | CN102364076B Optimized variable compression ratio piston of internal-combustion engine |
| 07/03/2013 | CN101796280B Spark ignition type internal combustion engine |
| 06/19/2013 | CN203009064U Self-pumping compression ratio adjustable engine piston |
| 06/19/2013 | CN101749114B Variable compression apparatus for vehicle engine |
| 06/13/2013 | DE112007002941B4 Motor-Aufwärmen eines Motors mit homogener Kompressionszündung Engine warming up an engine with homogeneous charge compression ignition |
| 06/12/2013 | CN202991233U Circular ring cylinder body engine |
| 06/12/2013 | CN101918693B Engine controller |
| 06/12/2013 | CN101910588B Spark ignition type internal combustion engine |
| 06/06/2013 | WO2013080674A1 Variable compression ratio internal combustion engine |
| 06/06/2013 | WO2009006682A8 Mechanism for internal combustion piston engines |
| 06/06/2013 | DE102006015887B4 Hubkolben-Brennkraftmaschine Reciprocating internal combustion engine |
| 06/05/2013 | EP2598734A1 Method for operating a reciprocating piston engine |
| 06/05/2013 | CN102052227B Spark-ignition gasoline engine |
| 05/30/2013 | WO2009109819A8 Control apparatus for a cylinder direct-injection internal combustion engine |
| 05/30/2013 | US20130133626 Crankshaftless internal combustion engine |
| 05/30/2013 | US20130133625 Crankshaftless internal combustion engine |
| 05/29/2013 | CN202954886U Novel crank sliding block mechanism with changeable engine displacement |
| 05/29/2013 | CN103122793A Variable compression ratio opposed piston homogeneous charge compression ignition engine |
| 05/23/2013 | DE19918592B4 Stellantrieb zur Positionierung eines Stellmittels Actuator for positioning an actuating means |
| 05/22/2013 | CN202946237U Five-stroke three-connecting rod variable compression ratio opposed engine |
| 05/22/2013 | CN103114908A Engine with compression ratios variable |
| 05/16/2013 | US20130118455 Variable compression ratio apparatus |
| 05/16/2013 | US20130118454 Variable compression ratio apparatus |
| 05/16/2013 | DE112010005781T5 Brennkraftmaschine Internal combustion engine |
| 05/15/2013 | CN103104354A Diesel engine combustion device capable of changing clearance volume |
| 05/15/2013 | CN103104353A Variable compression ratio apparatus |
| 05/14/2013 | US8439004 Ball-lift device with screw for a variable compression ratio engine |
| 05/10/2013 | WO2013065397A1 Internal-combustion engine control device and control method |
| 05/08/2013 | DE102009024436B4 Wärmekraftmaschine Heat engine |
| 05/02/2013 | WO2013061684A1 Rotational speed control device and rotational speed control method for internal combustion engine |
| 05/02/2013 | WO2013060433A1 Multi-link crank drive of an internal combustion engine and method for operating a multi-link crank drive |
| 05/02/2013 | DE102011056529A1 Piston engine e.g. biodiesel engine, has piston consisting of multiple segments that are independently movable from hub, where width controllable gap volume is formed between crankshaft and freely movable piston segment |
| 05/01/2013 | CN103080506A Multi-cylinder spark ignition engine |
| 05/01/2013 | CN101796281B 火花点火式内燃机 Spark-ignition internal combustion engines |
| 04/25/2013 | DE112009002699T5 Motorsteuersystem An engine control system |
| 04/24/2013 | CN103061946A Handheld work apparatus |
| 04/18/2013 | DE102011116163A1 Piston for variable compression ratio cylindrical internal combustion engine, has pressure medium inlet and outlet fluidly connected with volume variable chambers, and switchable valve device switchable between two switching positions |
| 04/18/2013 | DE102011116161A1 Piston for lifting cylinder internal combustion engine, has first chamber fluidically connected with medium outlet and second chamber fluidly isolated from outlet when switching valve device is in first switching position |
| 04/16/2013 | US8418663 Cam actuation mechanism with application to a variable-compression internal-combustion engine |
| 04/11/2013 | WO2013050100A1 Piston arrangement for a combustion chamber of an internal combustion engine, having a variable compression ratio |
| 04/11/2013 | WO2013050098A1 Method for the variable adjustment of a compression ratio of a combustion chamber of an internal combustion engine |
| 04/11/2013 | DE102011115417A1 Kolbenanordnung für einen ein veränderbares Kompressionsverhältnis aufweisenden Brennraum einer Verbrennungskraftmaschine Piston assembly having a variable compression ratio for a combustion chamber of an internal combustion engine |
| 04/11/2013 | DE102011115415A1 Verfahren zum variablen Einstellen eines Verdichtungsverhältnisses eines Brennraums einer Verbrennungskraftmaschine A method for variably setting a compression ratio of a combustion chamber of an internal combustion engine |
| 04/11/2013 | DE102011115413A1 Piston arrangement for combustion chamber, particularly cylinder of internal combustion engine, has piston, unit for variable adjustment of compression ratio of combustion chamber and piston pin coupled with piston by connecting portions |
| 04/10/2013 | EP2578847A1 Spark-ignition internal combustion engine |
| 04/10/2013 | CN103038490A Multi-mode high efficiency internal combustion engine |
| 04/10/2013 | CN103032158A Circular cylinder engine |
| 04/03/2013 | CN202851165U Variable compression ratio engine |
| 04/03/2013 | CN202851164U Double eccentric bearing type variable compression rate motor |
| 04/03/2013 | CN103026030A Method for operating a reciprocating piston engine |
| 04/03/2013 | CN102330617B Adaptive variable compression engine piston |
| 04/02/2013 | US8408171 Variable stroke engine assembly |
| 03/28/2013 | WO2012112615A8 Torque multiplier engines |
| 03/28/2013 | DE102011114065A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 03/27/2013 | CN101784775B Mechanism for internal combustion piston engines |
| 03/20/2013 | EP2569518A2 Method and system for internal combustion engine |
| 03/20/2013 | CN102979633A Engine with compression ratio alterable and automobile |
| 03/19/2013 | US8397684 Variable compression ratio apparatus |
| 03/13/2013 | CN102966441A Large-torque angular displacement control device for mechanical system |
| 03/13/2013 | CN101849092B Spark-ignited internal combustion engine |
| 03/13/2013 | CN101842567B Engine controller |
| 03/13/2013 | CN101821490B Spark ignition type internal combustion engine |
| 03/13/2013 | CN101802371B 火花点火式内燃机 Spark-ignition internal combustion engines |
| 03/06/2013 | CN102959199A Internal-combustion engine working with alternative fuels |
| 03/06/2013 | CN102953845A Variable compression ratio apparatus with dual eccentric links |
| 03/06/2013 | CN102953806A X-variable compression ratio engine |
| 03/06/2013 | CN101730792B Spark-ignited internal combustion engine and method of controlling the same |
| 03/06/2013 | CN101046174B Internal combustion engine with changeable compression ratio |
| 02/28/2013 | DE112010005427T5 Fahrzeugsteuerungsgerät Vehicle control apparatus |
| 02/28/2013 | DE102011111816A1 Device for achieving variable compression ratio in lifting cylinder motor, has pin whose cylindrical sections are coaxial to each other, and piston pin comprising fixing agents fixed with respect to rotationally fixed piston of motor |
| 02/27/2013 | CN101861452B 高膨胀比内燃机 High expansion ratio internal combustion engine |