| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 08/09/1988 | US4761870 Method for making a camshaft |
| 08/04/1988 | DE3724655A1 Hydraulic valve clearance adjusting element |
| 08/03/1988 | EP0276577A1 Valve operating mechanism of an internal combustion engine |
| 08/03/1988 | EP0276533A1 Valve operating mechanism for internal combustion engine |
| 08/03/1988 | EP0276532A1 Valve operating mechanism for internal combustion engine |
| 08/03/1988 | EP0276531A1 Valve operating mechanism for internal combustion engine |
| 08/03/1988 | EP0276372A1 Camshaft in an internal-combustion engine |
| 08/02/1988 | US4761344 Vehicle component part |
| 08/02/1988 | US4761340 Ceramics sliding member |
| 07/28/1988 | DE3800007A1 Control device for charge cycle and injection, especially of an axial engine |
| 07/27/1988 | EP0275715A1 Hydraulic circuit of a valve operating timing control device in an internal combustion engine |
| 07/27/1988 | EP0275714A1 Valve operating means in internal combustion engine |
| 07/27/1988 | EP0275713A1 Combined hydraulic and lubrication circuit of a valve operating mechanism in an internal combustion engine |
| 07/26/1988 | US4759322 Valve operating apparatus for an internal combustion engine |
| 07/26/1988 | US4759321 Valve timing arrangement for internal combustion engine having multiple inlet valves per cylinder |
| 07/20/1988 | EP0274483A1 Valve control for reciprocating piston internal combustion engine |
| 07/19/1988 | US4758206 Cam shaft drive structure for OHC V-type engine |
| 07/14/1988 | WO1988005122A1 Gas exchange and injection controller, in particular for axial engines |
| 07/14/1988 | EP0263151A4 I.c. engine with deck parting line intermediate of cylinder block. |
| 07/13/1988 | EP0274019A1 Device for varying engine valve timing |
| 07/12/1988 | US4756282 Direct acting hydraulic valve lifter with integral plunger |
| 07/07/1988 | DE3644865A1 Single valve four-stroke internal combustion engine |
| 07/05/1988 | US4754729 Camshaft support assembly for valve operating mechanism in an internal combustion engines |
| 07/05/1988 | US4754728 Four-valve cylinder head of desmodromic operation, for internal combustion engines |
| 07/05/1988 | US4754727 Device for varying engine valve timing |
| 07/05/1988 | CA1238773A1 Manufacture of camshafts |
| 06/30/1988 | WO1988004719A1 Mounting process and device for manufactured camshafts |
| 06/29/1988 | EP0272423A1 Self-adjusting hydraulic valve tappet |
| 06/28/1988 | US4753199 Internal combustion engine |
| 06/23/1988 | DE3741923A1 Device for valve actuation in an internal-combustion engine |
| 06/22/1988 | EP0271950A2 Head for an internal combustion reciprocating engine |
| 06/22/1988 | EP0271638A2 Cast shaft, in particular camshaft |
| 06/16/1988 | DE3641108A1 Spring element |
| 06/15/1988 | EP0271475A1 Internal-combustion engine having two adjacent inlet valves and one opposite exhaust valve per cylinder |
| 06/15/1988 | CN87208639U Electromagnetic cut-out valve |
| 06/14/1988 | US4750455 Camshaft driving device for internal combustion engine |
| 06/14/1988 | US4750250 Method of fastening drive elements of a hollow shaft |
| 06/07/1988 | US4748946 SOHC type internal combustion engine |
| 06/07/1988 | US4748945 Valve gear for use in a four-cycle engine |
| 06/01/1988 | EP0269587A1 Valve spring device in internal-combustion engines |
| 06/01/1988 | DE3738629A1 Device for turning the camshaft of a reciprocating internal combustion engine into its basic position relative to the crankshaft rotational position |
| 05/31/1988 | US4747376 Hydraulic valve clearance compensation element |
| 05/31/1988 | US4747375 Device for controlling the phased displacement of rotating shafts |
| 05/26/1988 | DE3735156A1 Einrichtung zur ventilbetaetigung in einer brennkraftmaschine Means for ventilbetaetigung in an internal combustion engine |
| 05/25/1988 | EP0268403A1 Hydraulic radial deformation of a tubular member |
| 05/25/1988 | EP0268130A1 Hydraulic lash adjuster |
| 05/24/1988 | US4745892 Internal combustion engine |
| 05/24/1988 | US4745889 Hydraulic valve tappet |
| 05/24/1988 | US4745888 Tappet sleeve lubrication |
| 05/24/1988 | US4745887 Engine provided with cooling device in motorcycle |
| 05/19/1988 | WO1988003447A1 Hydraulic radial deformation of a tubular member |
| 05/19/1988 | DE3638527A1 Device for the adjustment of the camshaft of a valve-timed internal combustion engine during engine operation |
| 05/19/1988 | DE3638310A1 Camshaft for valve-timed engines |
| 05/18/1988 | EP0267696A1 Valve operating apparatus in an internal combustion engine |
| 05/18/1988 | EP0267687A1 Valve driving system for internal combustion engine |
| 05/18/1988 | EP0267631A1 Self-contained hydraulic bucket lifter |
| 05/18/1988 | EP0267244A1 Engines for use with gaseous fuels |
| 05/17/1988 | US4744338 Variable camshaft timing system |
| 05/11/1988 | EP0267068A1 Ceramic rotary timing device with intermittent rotary timing for internal-combustion engines, piston compressors or pulse jets |
| 05/11/1988 | EP0266685A1 Self-adjusting hydraulic valve tappet |
| 05/11/1988 | EP0266511A1 Valve-timing influencing device |
| 05/05/1988 | DE3735998A1 Vorrichtung zur variablen ventilbetaetigungszeitgabe in einer brennkraftmaschine Apparatus for variable ventilbetaetigungszeitgabe in a burning combustion engine |
| 05/05/1988 | DE3715279A1 Single-valve oscillating rotary slide cylinder head |
| 05/05/1988 | DE3637199A1 Rocker arm bearing bracket for water-cooled internal combustion engines with 3 or 4 valves |
| 05/05/1988 | DE3635929A1 Method for adjusting the valve clearance of a valve in an internal combustion engine |
| 05/04/1988 | EP0265479A1 Valve-control mechanism |
| 05/03/1988 | US4741302 Internal combustion engine |
| 05/03/1988 | US4741301 Engine valve train with inner and outer cam followers |
| 05/03/1988 | US4741299 Internal combustion engine |
| 05/03/1988 | US4741298 Rollerized timing lifter |
| 05/03/1988 | US4741297 Valve operating mechanism for internal combustion engine |
| 04/28/1988 | DE3636180A1 Cylinder head for internal combustion engines, especially air-cooled diesel engines |
| 04/27/1988 | EP0265282A1 Valve operating apparatus in an internal combustion engine |
| 04/27/1988 | EP0265281A1 Valve operating apparatus in an internal combustion engine |
| 04/27/1988 | EP0265191A1 Valve operating mechanism in an internal combustion engine |
| 04/26/1988 | US4739968 A disc valve control means |
| 04/26/1988 | US4739734 Valve train for internal combustion engine |
| 04/26/1988 | US4739675 Cylindrical tappet |
| 04/20/1988 | EP0264253A1 Valve operating apparatus in an internal combustion engine |
| 04/19/1988 | US4738231 One-piece rocker arm with insert |
| 04/19/1988 | US4738012 Method of making a cam shaft |
| 04/14/1988 | DE3732687A1 Control device for the inlet and exhaust valves of an internal combustion engine |
| 04/14/1988 | DE3634461A1 Inlet valve arrangement for a reciprocating piston internal combustion engine |
| 04/13/1988 | EP0263794A1 Valve control for overhead camshaft engines |
| 04/13/1988 | EP0263734A1 Rocker arm arrangement on an internal-combustion engine cylinder head |
| 04/13/1988 | EP0263151A1 I.c. engine with deck parting line intermediate of cylinder block |
| 04/12/1988 | US4736717 Valve gear for four-cycle engine |
| 04/12/1988 | US4736715 Engine with a six-stroke cycle, variable compression ratio, and constant stroke |
| 04/07/1988 | WO1988002439A1 Rotary timing device of the discontinuous rotary timing type made of composite ceramic and utilization of said device in internal combustion engines, piston compressors or pulse-operated apparatuses, particularly pulso-jets |
| 04/07/1988 | DE3631607A1 Method for the production of a camshaft |
| 04/06/1988 | EP0262769A2 Internal combustion engine having two intake valves per cylinder |
| 04/06/1988 | EP0262269A1 Valve operating mechanism for internal combustion engine |
| 04/06/1988 | EP0262250A1 Four-stroke internal-combustion engine |
| 04/06/1988 | EP0262159A1 Cam arrangements |
| 04/06/1988 | CN86106958A Reciprocatory machines |
| 04/05/1988 | US4735197 Hydraulic lash adjuster |
| 03/29/1988 | US4733535 Apparatus for determining the exhaust valve timing of an engine supercharged by a turbo-compressor |
| 03/24/1988 | WO1988002059A1 Variable lift cam follower |
| 03/24/1988 | DE3631733A1 Device on an internal combustion engine for varying the start of fuel delivery and/or the valve timings |
| 03/22/1988 | US4732310 Composite camshaft and method of making the same |