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