Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
06/1985
06/11/1985US4522085 Variable lobe cam mechanism
05/1985
05/28/1985US4519345 Adjustable ratio rocker arm
05/21/1985US4517936 Tappet for internal combustion engines with variable profile camshafts
05/21/1985US4517934 Controllable camshaft for a drive, preferably an internal combustion engine
05/14/1985US4516542 Valve operation changing system of internal combustion engine
05/09/1985WO1985001984A1 Valve opening/closing mechanism for prime mover
05/07/1985US4515121 Valve driving control apparatus in an internal combusiton engine
04/1985
04/23/1985US4512154 Method for driving a vehicle driven by an internal combustion engine
04/16/1985US4510900 Hydraulic pulse engine retarder
04/16/1985US4510897 Mechanism for actuating the valve rockers of an internal combustion engine
04/09/1985US4509467 Hydraulic lifter system for variable cylinder engines
03/1985
03/27/1985EP0027123B1 Combustion piston engine provided with power control means
03/20/1985EP0134373A1 Diesel engine provided with a device for the controlled operation of one piston as an air compressor
03/19/1985US4505235 Valve timing mechanisms of internal combustion engines
03/12/1985US4503818 Variable valve timing arrangement for an internal combustion engine or the like
03/05/1985US4502426 Variable valve lift and timing mechanism
03/05/1985US4502425 Variable lift cam follower
02/1985
02/19/1985US4499872 Ultra lean burn carburetted adiabatic engine
02/19/1985US4499870 Multi-cylinder internal combustion engine
02/13/1985EP0132786A1 Variable valve timing mechanism
02/12/1985US4498432 Variable valve timing arrangement for an internal combustion engine or the like
02/05/1985CA1182010A1 Expandable hydraulic tappet with a variable exit valve
01/1985
01/29/1985US4495902 Mechanism for variably controlling an internal combustion engine valve
01/22/1985US4494729 Valve operating mechanism, in particular for an automobile internal combustion engine
01/01/1985US4491098 Device for altering cam profile
12/1984
12/04/1984US4485780 Compression release engine retarder
11/1984
11/27/1984US4484556 Supercharge control means for an internal combustion engine
11/27/1984US4484546 Variable valve operating mechanism for internal combustion engines
11/20/1984US4483283 Variable valve control system with dampener assembly
11/14/1984EP0125096A2 Mechanism for variably controlling an internal combustion engine valve
11/13/1984US4481919 Intake/exhaust valve assembly for an internal combustion engine
11/13/1984US4481912 Device for camshaft control
11/06/1984US4480611 Internal combustion engine using several kinds of fuels, with electronically adjustable intake and exhaust valves and injection device
10/1984
10/16/1984US4476823 Hydraulic valve timing control device for an internal combustion engine
10/09/1984US4475500 Automatic lash adjustment for engine compression brake
10/09/1984US4475497 Internal combustion engine having an intake/exhaust valve assembly and hydraulic means for rendering the valve assembly inoperative
10/09/1984US4475496 Valve mechanism
10/09/1984US4475489 Variable valve timing device for an internal combustion engine
10/02/1984US4474006 Method and apparatus for improved compression release engine retarding in a turbocharged internal combustion engine
09/1984
09/25/1984US4473047 Compression release engine brake
09/04/1984US4469061 Valve actuating method for internal combustion engine with valve operation suspending function
09/04/1984US4469056 Dual follower variable valve timing mechanism
08/1984
08/22/1984EP0116306A1 Device for regulating the axial position of a variable-profile camshaft, in particular for controlling the timing system on an engine
08/21/1984US4466390 Electro-hydraulic valve control system for internal combustion engine valves
08/21/1984CA1172926A1 Engine compression brake employing automatic lash adjustment
08/07/1984US4463717 Valve stopping device of internal combustion engine
08/07/1984US4463712 Device for varying the valve timing of internal combustion engines in correlation to load and speed
07/1984
07/31/1984US4462353 Variable cylinder device for internal combustion engines
07/31/1984US4462348 Engine starting system
07/17/1984US4459946 Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
07/04/1984EP0112644A1 Engine camshaft drive mechanism
06/1984
06/27/1984EP0111768A1 A mechanical device for controlling a valve of a heat engine
06/26/1984US4455977 Compression brake system
06/20/1984EP0111232A1 Compression release engine retarder for multi-cylinder internal combustion engines
06/12/1984US4453507 Centrifugally responsive compression release mechanism
06/05/1984US4452188 Apparatus for controlling feed of oil discharged from oil pump
06/05/1984US4452186 Valve control for internal combustion engines
05/1984
05/30/1984EP0109435A1 Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
05/16/1984EP0108238A1 Tappet for internal combustion engines with variable profile camshafts
05/15/1984US4448156 Variable gas distribution device for internal combustion motors
04/1984
04/17/1984US4442806 Valve driving control apparatus in an internal combustion engine
04/03/1984US4440126 Braking device for a valve controlled internal combustion engine
03/1984
03/27/1984US4438737 Apparatus and method for controlling the valve operation of an internal combustion engine
03/27/1984US4438736 Variable valve timing arrangement with automatic valve clearance adjustment
03/27/1984US4438735 Apparatus and timing mechanism for controlling the valve operation of an internal combustion engine
03/27/1984CA1164290A1 Engine braking apparatus
02/1984
02/28/1984US4433657 Modification of an internal combustion engine so as to operate permanently with a reduced number of cylinders
02/07/1984US4429853 Disconnecting valve rocker mechanism
02/07/1984US4429532 Apparatus and method for temporarily converting a turbocharged engine to a compressor
01/1984
01/24/1984CA1160920A1 Engine braking system
01/11/1984EP0097665A1 Variable timing for four stroke engine.
01/03/1984US4423712 Engine retarder slave piston return mechanism
12/1983
12/20/1983CA1158934A1 Valve timing mechanisms of internal combustion engines
11/1983
11/24/1983WO1983004070A1 Valve actuating apparatus utilizing a multi-profiled cam unit for controlling internal combustion engines
11/15/1983US4414935 Cylinder deactivation device with slotted sleeve mechanism
11/15/1983US4414931 Variable valve operating mechanism for internal combustion engines
10/1983
10/25/1983US4411229 Cylinder deactivation device
10/19/1983EP0091804A1 Desmodromic valve system
10/19/1983EP0091485A1 Variable valve operating mechanism for internal combustion engines
10/12/1983EP0090858A1 Method and apparatus for controlling the valve operation of an internal combustion engine
10/04/1983US4407241 Expandable hydraulic tappet with a variable exit valve
09/1983
09/20/1983US4404937 Valve controlled stroke piston combustion engine with a cam shaft
09/14/1983EP0088106A1 Control means of the combustion cycle in an internal combustion engine.
09/13/1983CA1153650A1 Starting decompression device for a four cycle engine
08/1983
08/30/1983US4401069 Camshaft lobes which provide selective cylinder cutout of an internal combustion engine
08/23/1983US4399787 Engine retarder hydraulic reset mechanism
08/23/1983US4399784 Internal combustion engine
08/16/1983US4398510 Timing mechanism for engine brake
08/09/1983US4397270 Valve operating mechanism for internal combustion engines
08/02/1983US4395884 Method and apparatus for improved engine braking and operation
07/1983
07/26/1983US4394851 Decompression device in an internal combustion engine
07/19/1983US4393832 Braking diesel engines
07/12/1983US4392461 Rocker arm adapter for altering cam profile of exhaust valve
07/07/1983WO1983002301A1 Variable timing for four stroke engine
07/06/1983EP0083058A1 Retarding system of a gas compression relief type
06/1983
06/28/1983CA1148807A1 Valve operating mechanism for internal combustion engines
06/28/1983CA1148806A1 Valve opening control device
06/21/1983US4388897 Variable camshaft assembly
06/14/1983US4387680 Mechanism for stopping valve operation
06/14/1983US4387674 Valve train
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