Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02D - Controlling combustion engines › F02D 15 - Varying compression ratio
Patents for F02D 15 - Varying compression ratio (2,571)
04/1985
04/17/1985EP0052109B1 An internal combustion engine
04/16/1985US4510895 Pistons for internal combustion engines
03/1985
03/28/1985WO1985001316A1 Dynamic variable compression ratio i.c. engine
03/12/1985US4503815 Stratified charge variable compression ratio engine
03/12/1985CA1183781A1 Stratified charge variable compression ratio engine
01/1985
01/15/1985CA1180963A1 Automatic compression adjusting mechanism for internal combustion engines
11/1984
11/27/1984US4484543 Adjustable non-throttling control apparatus for spark ignition internal combustion engines
08/1984
08/29/1984EP0016046B1 Method and arrangement for increasing the efficiency of an internal combustion engine and reducing its pollutants
06/1984
06/26/1984US4455984 Modular multi-cylinder internal combustion engine
06/20/1984EP0110971A1 Internal combustion engine
02/1984
02/08/1984EP0099913A1 Internal combustion engine.
12/1983
12/08/1983WO1983004280A1 Internal combustion engine
11/1983
11/30/1983EP0095252A2 Internal combustion engine
11/15/1983US4414933 Compression release mechanism using a bimetallic disc
09/1983
09/27/1983US4406256 Automatic compression adjusting mechanism for internal combustion engines
09/14/1983EP0088106A1 Control means of the combustion cycle in an internal combustion engine.
08/1983
08/31/1983EP0086925A1 Controlled ignition thermic engine with variable compression ratio and with low exhaust's pollution
08/23/1983US4399787 Engine retarder hydraulic reset mechanism
08/04/1983WO1983002645A1 Internal combustion engine
07/1983
07/06/1983EP0083058A1 Retarding system of a gas compression relief type
07/06/1983EP0082996A1 Reciprocating piston engine
06/1983
06/22/1983EP0081523A1 Internal combustion engine with variable auxiliary chamber
03/1983
03/17/1983WO1983000901A1 Method of controlling the combustion cycle in a combustion engine, and a combustion engine
02/1983
02/16/1983EP0071890A1 Reciprocating or rotary piston engine with variable-volume end compression chamber
02/03/1983WO1983000360A1 Reciprocating piston engine with tangential drive
02/01/1983US4370954 Apparatus for starting internal combustion engine
01/1983
01/25/1983US4369741 Device for automatically controlling the closure of the decompression valve of an internal combustion engine
01/04/1983CA1138734A1 Compression release mechanism
12/1982
12/23/1982WO1982004462A1 Internal combustion engine with variable auxiliary chamber
12/15/1982EP0067031A1 Stratified charge variable compression ratio engine
12/08/1982EP0066350A2 Automatic compression adjusting mechanism for internal combustion engines
10/1982
10/19/1982US4354459 Non-throttling control apparatus for spark ignition internal combustion engines
09/1982
09/28/1982EP0052109A4 An internal combustion engine.
08/1982
08/24/1982US4345550 Deflecting rocker arm for an internal combustion engine
05/1982
05/26/1982EP0052109A1 An internal combustion engine.
03/1982
03/16/1982CA1119965A1 Variable compression ratio internal combustion engine
02/1982
02/02/1982US4313403 Internal combustion engine
01/1982
01/26/1982US4312308 Compression relief system for internal combustion engine
12/1981
12/15/1981US4305349 Internal combustion engine
12/08/1981CA1113810A1 Compression reducing system for an internal combustion engine
11/1981
11/12/1981WO1981003203A1 Deflecting rocker arm for an internal combustion engine
09/1981
09/16/1981EP0035525A1 Intake gas recirculation
09/01/1981US4286552 Variable compression ratio internal combustion engine
07/1981
07/01/1981EP0031261A1 Device for automatically controlling the closing of a decompression valve of an internal-combustion engine
05/1981
05/20/1981EP0028622A1 Rotary radial internal combustion engine
04/1981
04/08/1981EP0026592A1 Internal combustion engine
03/1981
03/19/1981WO1981000739A1 Intake gas recirculation
03/11/1981EP0024871A2 Compression release mechanism
02/1981
02/24/1981US4252092 Compression release mechanism
11/1980
11/27/1980WO1980002584A1 Rotary radial internal combustion engine
08/1980
08/19/1980US4217796 Compression reducing system for an internal combustion engine
05/1980
05/27/1980CA1078284A1 Variable ratio crank assembly for internal combustion engines
05/13/1980US4202300 Internal combustion engine
02/1980
02/12/1980US4187808 Engine having a variable compression ratio
01/1980
01/24/1980WO1980000095A1 Method and arrangement for increasing the efficiency of an internal combustion engine and reducing its pollutants
01/08/1980US4182288 Mixture-compressing, spark-ignited internal combustion engine having a combined throttle and compression control
10/1979
10/16/1979US4170970 Internal combustion engines
10/02/1979CA1063449A1 Variable compression ratio piston
08/1979
08/28/1979US4165728 Decompressing device to be used in engines for prime mover-equipped bicycles and the like
08/21/1979US4164916 Variable displacement arrangement in four cycle, reciprocating, internal combustion engine
03/1979
03/20/1979US4144851 Variable compression ratio engine
03/13/1979US4143628 Method and means for increasing the mean efficiency of an Otto cycle engine
02/1979
02/13/1979US4138973 Piston-type internal combustion engine
08/1978
08/08/1978US4104995 Variable compression engine
06/1978
06/06/1978US4092957 Compression ignition internal combustion engine
03/1978
03/21/1978US4079707 Variable compression ratio piston
01/1978
01/03/1978US4066049 Internal combustion engine having a variable engine displacement
07/1977
07/05/1977US4033304 Piston-type internal combustion engine
07/1976
07/20/1976US3970056 Variable compression ratio control system for internal combustion engines
06/1976
06/22/1976US3964452 High compression internal combustion engine using a lean charge
06/08/1976US3961607 Internal combustion engine
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