Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
11/1987
11/12/1987DE3714892A1 Producing captive ball-socket swivel joint for IC engine valve rocker
11/12/1987DE3615746A1 Method and device for adjusting the timings of the valve arrangement of an internal combustion engine
11/12/1987DE3615449A1 Device for a cam-controlled reciprocating piston engine
11/11/1987EP0244878A2 Electromagnetic-hydraulic valve drive for an internal-combustion engine
11/11/1987EP0244558A1 Hydraulic valve lash adjusting device for an internal-combustion engine
11/10/1987US4704995 In an internal combustion engine
11/05/1987WO1987006647A1 Valve-control mechanism
11/05/1987DE3615057A1 Automatic valve clearance adjustment
11/03/1987US4703734 Multi-valve internal combustion engine
11/03/1987US4703729 Intake system with double intake ports for internal combustion engine
11/03/1987US4703723 Compression release device for engine
10/1987
10/29/1987DE3643438C1 Internal combustion engine with an auxiliary device driven by way of the camshaft and an additional camshaft bearing
10/28/1987EP0243339A1 Cam shaft
10/22/1987WO1987006304A1 I.c. engine with deck parting line intermediate of cylinder block
10/22/1987DE3712107A1 Gesinterte steuerwelle Sintered tax-wave
10/22/1987DE3608925A1 Charge cycle control for a piston internal combustion engine
10/21/1987EP0242228A1 Valve operating mechanism for an internal combustion engine
10/21/1987CN87101609A Cam arrangements
10/14/1987EP0241434A2 Valve control device in the timing system of an internal combustion engine
10/14/1987EP0241185A1 An improved arrangement of radially disposed poppet valve actuation in an internal combustion engine
10/14/1987EP0240889A2 Cylinder head with desmodromic valve operation, for internal combustion engines
10/13/1987US4699094 Rocker arm and hydraulic lash adjuster with load/motion control button
10/13/1987US4699041 Method and apparatus for adjusting valves
10/08/1987DE3713911A1 Adjustable valve timing
10/08/1987DE3611476A1 Method for the actuation of valves for exhaust and refill in internal combustion engines with direct hydraulic transmission
10/07/1987EP0240446A2 An improved cam-shaft
10/07/1987EP0239997A2 Engine cooling device
10/06/1987US4697555 Valve gear for four-cycle engine
10/06/1987US4697554 Internal combustion engine and cylinder head therefor
10/06/1987US4697473 Rocker arm with cam-contacting roller
10/01/1987DE3708777A1 Valve gear for diesel internal combustion engines
09/1987
09/30/1987CN86107594A Variable drive mechanism
09/29/1987US4696265 Device for varying a valve timing and lift for an internal combustion engine
09/29/1987US4696201 Gear assembly for transmitting rotation between two shafts
09/23/1987EP0237814A1 Valve assembly
09/22/1987US4694790 Inverted bucket tappet with collapsing diaphragm seal
09/22/1987US4694789 Variable valve timing
09/22/1987US4694788 Internal combustion engine rocker arm
09/16/1987EP0237295A1 Poppet valve assemblies
09/15/1987US4693214 Tappet system for internal combustion engines having shafts with variable-profile cams
09/15/1987US4693138 Cam shaft with expanded hollow shaft
09/11/1987WO1987005356A1 Poppet valve assemblies
09/10/1987DE3705975A1 Mechanical valve clearance adjustment
09/10/1987DE3607256A1 Device for the controlled/automatically controlled adjustment of the rotational position of a driven engine part relative to a driving part
09/10/1987DE3607170A1 Mechanical valve clearance adjustment
09/09/1987EP0235981A1 Variable valve lift/timing mechanism
09/09/1987EP0235599A1 Internal element for a hydraulic valve play adjusting element for internal-combustion engines
09/09/1987EP0235230A1 An oscillatory drive arrangement
09/09/1987EP0235229A1 Rotary drive arrangement
09/08/1987US4692129 Timing chain drive
09/02/1987EP0235121A1 Internal combustion engine
09/02/1987EP0235096A1 Composite camshaft for internal combustion engines and a method for its manufacture
09/02/1987EP0234866A2 Method and apparatus for operating an internal combustion engine
09/02/1987EP0234853A1 Apparatus for variable valve timing for an internal combustion engine.
09/02/1987EP0234845A1 Cam drive mechanism
09/02/1987EP0234398A2 Cam shaft for actuating the valve tappets in internal combustion machines
09/02/1987EP0234343A1 Internal element for a hydraulic valve play adjusting element for internal-combustion engines
09/02/1987EP0234022A2 Internal element for a hydraulic lash adjusting element for internal combustion engines
09/01/1987US4690110 Variable valve mechanism for internal combustion engines
08/1987
08/25/1987US4688526 Self-contained hydraulic bucket lifter
08/25/1987US4688525 Hydraulic lash adjuster
08/25/1987US4688524 Apparatus for cooling cylinder head of an engine
08/25/1987US4688313 Method and apparatus for removing and installing a partially fibrous camshaft gear
08/20/1987DE3604667A1 Cast cylinder head for a multi-cylinder in-line internal combustion engine
08/20/1987DE3604666A1 Cylinder head for a reciprocating piston internal combustion engine
08/19/1987EP0232482A1 Lash-adjusting device
08/18/1987US4687185 Having steel shaft and sintered piece to be joined in furnace
08/18/1987US4686947 Hydraulic cup-shaped valve tappets
08/18/1987US4686946 Valve moving system of an overhead valve engine
08/18/1987US4686945 Valve structure for an internal combustion engine
08/13/1987WO1987004757A1 Cam arrangements
08/13/1987DE3604412A1 Valve device
08/13/1987DE3603938A1 Timing gear case designed separately from the cylinder head of an internal combustion engine
08/11/1987US4685429 Valve timing control means for engine
08/06/1987DE3701609A1 Valve actuating device
08/05/1987EP0230731A1 Method of making a cam shaft
08/04/1987US4684357 Timing chain retractor and lock
08/04/1987US4683855 Multiple valve engine
08/04/1987US4683848 Apparatus utilizing a plural-profiled cam unit for actuating the valve of an internal combustion engine
08/04/1987US4683847 Valve system for overhead valve type four-cycle engine
07/1987
07/28/1987US4682575 Low friction high speed rocker arm
07/28/1987US4682573 Valve gear for use in a four cycle engine
07/23/1987DE3700715A1 Positive control for a valve
07/22/1987EP0229181A1 Method of reestablishment of camshafts
07/22/1987CN86108730A Delayed tension valves
07/21/1987US4681069 Overhead camshaft engine
07/16/1987DE3600408A1 Reciprocating piston internal combustion engine
07/15/1987EP0228533A2 Internal-combustion engine with at least one overhead camshaft
07/15/1987EP0228469A1 Method of reestablishment of lever-like parts of curved shape
07/14/1987US4679532 Valve arrangement for internal combustion engine
07/09/1987DE3600067A1 Inlet valve and exhaust valve, especially for internal combustion engines
07/08/1987EP0227780A1 Cam follower mechanisms
07/07/1987US4677945 Mechanical valve lifter construction adapted for mechanical/hydraulic valve lifter interchangability
07/07/1987US4677723 Valve bridge construction method
07/07/1987CA1223786A1 Valve bridge construction
06/1987
06/30/1987US4676203 Rocker arm spring for a valve actuating mechanism of an internal combustion engine
06/30/1987CA1223490A1 Valve mechanism for internal combustion engine
06/23/1987US4674453 Rocker arm and method of forming the same
06/23/1987US4674452 Camshaft driving system for internal combustion engine
06/23/1987US4674450 Internal combustion engines