Patents
Patents for F02D 13 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing (11,427)
05/1979
05/01/1979US4151824 Valve train system of internal combustion engines
02/1979
02/27/1979US4141333 Valve train systems of internal combustion engines
02/13/1979US4138973 Piston-type internal combustion engine
01/1979
01/02/1979CA1045555A1 Rotary engine with intake valve having a variable open period for power control
12/1978
12/26/1978CA1044967A1 Internal combustion engine
12/05/1978US4128085 Engine mechanical loss reducing system
10/1978
10/24/1978US4121552 Exhaust means for two cycle engines
10/03/1978US4117813 Internal combustion engine and method of operating it
09/1978
09/19/1978US4114643 Valve operating mechanism of internal combustion engine
09/19/1978US4114588 Valve deactuator for internal combustion engines
09/12/1978US4112908 Fuel system modification
09/12/1978US4112884 Valve lifter for internal combustion engine
08/1978
08/15/1978US4106446 Internal combustion engine with auxiliary combustion chamber
08/08/1978US4105010 Fuel saving apparatus for multiple cylinder internal combustion engines
04/1978
04/18/1978US4084557 Piston-type internal combustion engine
02/1978
02/28/1978US4075990 Diesel engines
12/1977
12/27/1977US4064861 Dual displacement engine
12/06/1977US4061123 Engine de-compression mechanism
07/1977
07/05/1977US4033304 Piston-type internal combustion engine
03/1977
03/01/1977US4009695 Programmed valve system for internal combustion engine
03/01/1977US4009694 Gasoline engine torque regulator with partial speed correction
10/1976
10/19/1976US3986351 Method and apparatus for controlling the air flow in an internal combustion engine
09/1976
09/07/1976US3978829 Self-adjustable camshaft drive mechanism
09/07/1976US3978826 Rotary engine with intake valve having a variable open period for power control
08/1976
08/24/1976US3976039 Internal combustion engine with stratified charge
08/10/1976US3973394 Combustion engine with reduced emissions
06/1976
06/22/1976US3964455 Valve control mechanism