Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
09/1988
09/06/1988US4768467 Valve operating system for an automotive engine
09/01/1988DE3705128A1 Camshaft intended for an internal combustion engine
08/1988
08/31/1988EP0280667A1 A valve mechanism for an internal combustion engine
08/24/1988EP0279265A1 Valve device with a hydraulic transmission and variable characteristic by means of sliding valve control
08/24/1988CN88100461A Valve gear with hydranlic transfer and variable characteristic controlled link motion
08/23/1988US4765289 Valve driving system for internal combustion engine
08/23/1988US4765288 Valve control arrangement
08/17/1988CN87200284U Vacuum controling valve for inlet manifold of multi-cylinder gasoline engine
08/16/1988US4763613 Exhaust timing control system for a two cycle engine
08/11/1988DE3718393A1 Hydraulic compensating element for inlet/exhaust valves of internal combustion engines
08/09/1988US4762096 Engine valve control mechanism
07/1988
07/28/1988DE3801363A1 Device for controlling inlet or exhaust valves
07/27/1988EP0275713A1 Combined hydraulic and lubrication circuit of a valve operating mechanism in an internal combustion engine
07/26/1988US4759322 Valve operating apparatus for an internal combustion engine
07/26/1988US4759321 Valve timing arrangement for internal combustion engine having multiple inlet valves per cylinder
06/1988
06/28/1988US4753198 Compression ratio control mechanism for internal combustion engines
06/01/1988EP0269605A1 Engine brake in an internal-combustion engine for a motor vehicle
05/1988
05/31/1988US4747375 Device for controlling the phased displacement of rotating shafts
05/25/1988EP0268433A1 Method of controlling an air/fuel ratio for an internal combustion engine
05/24/1988CA1237034A1 Engine valve timing control system
05/24/1988CA1237033A1 Automatic lash adjustment for engine compression brake
05/18/1988EP0267696A1 Valve operating apparatus in an internal combustion engine
05/18/1988EP0267687A1 Valve driving system for internal combustion engine
05/18/1988EP0267244A1 Engines for use with gaseous fuels
05/18/1988CN87104111A Braking system and method for exhaust engines
05/11/1988EP0266511A1 Valve-timing influencing device
05/10/1988US4742806 Auxiliary engine braking system
05/05/1988DE3735998A1 Vorrichtung zur variablen ventilbetaetigungszeitgabe in einer brennkraftmaschine Apparatus for variable ventilbetaetigungszeitgabe in a burning combustion engine
05/04/1988EP0265479A1 Valve-control mechanism
05/03/1988US4741307 Apparatus and method for compression release retarding of an engine
05/03/1988US4741298 Rollerized timing lifter
04/1988
04/27/1988EP0265281A1 Valve operating apparatus in an internal combustion engine
04/26/1988US4739968 A disc valve control means
04/20/1988EP0264253A1 Valve operating apparatus in an internal combustion engine
04/13/1988EP0263794A1 Valve control for overhead camshaft engines
04/12/1988US4736717 Valve gear for four-cycle engine
04/06/1988EP0262769A2 Internal combustion engine having two intake valves per cylinder
04/06/1988EP0262256A1 Cam shaft for a piston engine
04/06/1988EP0262159A1 Cam arrangements
03/1988
03/24/1988WO1988002059A1 Variable lift cam follower
03/15/1988US4730588 Valve operating system for an automotive engine
03/03/1988DE3629609A1 Hydromechanical control of the valve opening times on internal combustion engines
03/02/1988EP0258061A1 Valve operating apparatus in an internal combustion engine
03/01/1988US4727831 Valve operating mechanism for internal combustion engine
02/1988
02/16/1988US4724822 Variable valve lift/timing mechanism
02/16/1988US4724809 Method and apparatus utilizing valve throttling and charge stratification in the operation of an internal combustion engine
02/16/1988US4724802 Valve mechanism for an automotive engine
02/09/1988US4723517 Cam drive mechanism
02/09/1988US4723516 Valve open duration and timing controller
02/09/1988US4723515 Mechanism utilizing a single rocker arm for controlling an internal combustion engine valve
02/04/1988DE3625664A1 Device for influencing the valve stroke controlled by a cam
01/1988
01/07/1988EP0250397A1 Arrangements for converting rotary motion to linear motion
01/07/1988DE3720947A1 Camshaft arrangement
01/05/1988US4716863 Internal combustion engine valve actuation system
01/05/1988US4716862 Oleodynamic distribution system, with separate control of the suction and exhaust valves, with continuous timing setting with running engine, for all four-stroke cycle engines
12/1987
12/23/1987EP0249833A2 An engine retarding system and method of a gas compression release type
12/22/1987US4714057 Variable valve control system for a piston internal-combustion engine
12/17/1987WO1987007677A1 Variable actuator for a valve
12/08/1987US4711210 Compression braking system for an internal combustion engine
12/08/1987US4711207 Valve deactivator mechanism
12/03/1987WO1987007323A1 Engines for use with gaseous fuels
12/03/1987DE3618011A1 Decompression device for internal combustion engines
12/02/1987EP0247034A1 Arrangements for converting rotary motion to linear motion
11/1987
11/24/1987US4708101 Driving apparatus for intake and exhaust valves of internal combustion engine
11/19/1987EP0246093A2 Exhaust timing control system for a two cycle engine
11/17/1987US4706625 Engine retarder with reset auto-lash mechanism
11/17/1987US4706624 Compression release retarder with valve motion modifier
11/12/1987DE3615449A1 Device for a cam-controlled reciprocating piston engine
11/05/1987WO1987006647A1 Valve-control mechanism
11/03/1987US4703729 Intake system with double intake ports for internal combustion engine
11/03/1987US4703723 Compression release device for engine
10/1987
10/21/1987CN87101609A Cam arrangements
10/06/1987US4697558 Compression relief engine brake
10/06/1987US4697555 Valve gear for four-cycle engine
09/1987
09/29/1987US4696266 Decompression apparatus for engines
09/29/1987US4696265 Device for varying a valve timing and lift for an internal combustion engine
09/24/1987DE3706745A1 Variable valve timing gear for 4-stroke engines
09/23/1987EP0237814A1 Valve assembly
09/22/1987US4694787 Automatic fluid distributing valve timing device
09/15/1987US4693214 Tappet system for internal combustion engines having shafts with variable-profile cams
09/09/1987EP0235981A1 Variable valve lift/timing mechanism
09/02/1987EP0234853A1 Apparatus for variable valve timing for an internal combustion engine.
09/02/1987EP0234845A1 Cam drive mechanism
08/1987
08/25/1987US4688384 Braking boost pressure modulator and method
08/13/1987WO1987004757A1 Cam arrangements
08/06/1987DE3701609A1 Valve actuating device
07/1987
07/16/1987DE3600408A1 Reciprocating piston internal combustion engine
06/1987
06/30/1987CA1223490A1 Valve mechanism for internal combustion engine
06/23/1987US4674451 Valve control arrangement for internal combustion engines with reciprocating pistons
06/23/1987US4674450 Internal combustion engines
06/16/1987US4672930 Decompression apparatus for engines
06/16/1987EP0088106B1 Control means of the combustion cycle in an internal combustion engine
06/09/1987US4671226 Supercharged multi-cylinder four-cycle diesel engine
06/09/1987US4671221 Valve control arrangement
06/04/1987WO1987003334A1 Arrangements for converting rotary motion to linear motion
06/04/1987WO1987003333A1 Arrangements for converting rotary motion to linear motion
06/03/1987EP0224152A1 Mechanical-hydraulic valve control process for engines and machines
05/1987
05/12/1987US4664070 Hydro-mechanical overhead for internal combustion engine
05/05/1987US4662332 Engine braking control system
04/1987
04/14/1987US4656977 Operating mechanism for dual valves in an internal combustion engine
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