| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
|---|
| 06/11/1991 | US5022356 Internal combustion engine |
| 06/06/1991 | DE3939821A1 Tension device for continuous drive mechanism - consists of toothed belt drive with drive and driven wheel, and two tension pieces |
| 06/06/1991 | CA2020408A1 One-piece push rod having enlarged spherical seat |
| 06/05/1991 | EP0430263A1 Valve system for a multi-valve internal combustion engine |
| 06/05/1991 | EP0430259A1 Multi-valve internal combustion engine |
| 06/05/1991 | EP0429579A1 Variably tuned transmission |
| 06/04/1991 | US5020951 Fastener assembly |
| 06/04/1991 | US5020488 Valve mechanism for an internal combustion engine |
| 06/04/1991 | US5020486 Partitioned poppet valve mechanism seprating inlet and exhaust tracts |
| 05/30/1991 | WO1991007574A1 Drive arrangement for a camshaft fitted in the cylinder head of an internal combustion engine |
| 05/29/1991 | EP0429377A1 Adjustable pulley for driving a shaft of a car engine and use thereof |
| 05/29/1991 | EP0429277A1 A valve arrangement for a combustion engine |
| 05/29/1991 | EP0428691A1 Cylinder heads for internal combustion engines. |
| 05/29/1991 | DE4035338A1 Hydraulic closure brake for IC engine - consists of valve shaft, absorption sleeve in fixed chamber and support for valve spring |
| 05/28/1991 | US5019119 Electro-rheological fuel injector |
| 05/28/1991 | US5018497 Multiple valve internal combustion engine |
| 05/28/1991 | US5018488 Internal combustion engine |
| 05/28/1991 | US5018487 Valve timing mechanism with eccentric bushing on rocker shaft |
| 05/28/1991 | US5018313 Roundness processing device of a slipper surface of a rocker arm |
| 05/23/1991 | DE4035376A1 IC engine cylinder head valve - has magnetic stop limiting opening movement of valve |
| 05/22/1991 | EP0428278A1 Rotary drives |
| 05/21/1991 | US5016592 Cylinder head and valve train arrangement for multiple valve engine |
| 05/21/1991 | US5016583 Variable intake and exhaust engine |
| 05/21/1991 | US5016582 Rocker arm |
| 05/21/1991 | US5016581 Valve mechanisms |
| 05/21/1991 | US5016348 Process for the manufacture of a tubular crankshaft |
| 05/16/1991 | DE3937644A1 IC engine camshaft hydraulic rotary angle adjuster - has locking device securing vaned wheel in initial angular position w.r.t. sliding vane wheel |
| 05/16/1991 | DE3937587A1 Transverse IC vehicle engine with two cylinder groups - has each cylinder group in V-format, with well in one-piece block between for camshaft- and output drives |
| 05/14/1991 | US5014829 Electro-rheological shock absorber |
| 05/14/1991 | US5014655 Camshaft drive of a multi-cylinder V-engine |
| 05/14/1991 | CA1284069C Valve operating mechanism for internal combustion engine |
| 05/08/1991 | EP0425899A1 Engine with mechanical governor and decompression device |
| 05/08/1991 | DE4031462A1 Valve arrangement for direct injection diesel engine - involves positioning of main and auxiliary levers to give angular adjustment |
| 05/08/1991 | DE3936782A1 Camshaft phase adjustment system - involves tool with forked end positively engaging protection on disc |
| 05/08/1991 | CN2076604U Automatic compensator for air valve clearance of internal combustion engine |
| 05/07/1991 | US5013611 Camshaft composition |
| 05/07/1991 | US5012783 Cylinder head for an internal combustion engine with five valves per cylinder |
| 05/07/1991 | US5012774 Device for the relative angular adjustment of a camshaft |
| 05/07/1991 | US5012773 Intake- and/or exhaust-valve timing control system for internal combustion engine |
| 05/02/1991 | WO1991005941A1 An internal combustion engine camshaft drive mechanism |
| 05/02/1991 | DE4031461A1 IC engine with more than two valves per cylinder - makes use of two springs to close single valve |
| 04/30/1991 | US5010859 Chain cover for V-type engine |
| 04/30/1991 | US5010857 Rocker arm |
| 04/30/1991 | US5010856 Engine finger follower type rocker arm assembly |
| 04/30/1991 | US5010855 Camshaft driving arrangement for double overhead camshaft engine |
| 04/25/1991 | DE4032586A1 Angular position adjuster for I.c. engine charge valve camshaft - has even number of torque transmission adjusting chambers between camshaft and drive wheel |
| 04/25/1991 | DE3935027A1 Hydraulic valve play equaliser - has extra spring-loaded piston with both pistons in force path of I.c. engine valve control |
| 04/25/1991 | DE3934848A1 Camshaft with single control for several valve timings - has hollow shaft with peripheral slits firmly coupled to drive wheel |
| 04/24/1991 | EP0424103A1 Variable camshaft timing for internal combustion engine |
| 04/24/1991 | EP0423832A1 Rocker arm made from high chrome cast iron |
| 04/24/1991 | EP0423160A1 Drive arrangement for a camshaft in an internal combustion engine. |
| 04/23/1991 | US5009204 Spark plug arrangement in an overhead camshaft engine |
| 04/23/1991 | US5009203 Control method for valve-timing changeover in engine |
| 04/23/1991 | US5009123 Camshaft |
| 04/23/1991 | US5009114 Mechanism for transmitting rotational motion from one shaft to another |
| 04/18/1991 | WO1991005147A1 Camshaft for multi-valve internal combustion engine |
| 04/18/1991 | DE3931610A1 Preventing spark erosion damage - to oil lubricated bearings and sliding faces |
| 04/17/1991 | EP0422792A1 Camshaft-phasing drive with wedge actuators |
| 04/17/1991 | EP0422791A1 Compact camshaft-phasing drive |
| 04/17/1991 | EP0422279A1 Camshaft arrangement for multi valve engine |
| 04/17/1991 | EP0422277A1 Combustion chamber and valve operating mechanism for multi-valve engine |
| 04/17/1991 | EP0422165A1 Plastic stabilized composite camshaft |
| 04/16/1991 | US5007956 Assembled cam shaft |
| 04/16/1991 | US5007392 Cylinder head structure for multiple cylinder engines |
| 04/16/1991 | US5007388 For an internal combustion engine |
| 04/16/1991 | US5007387 Four valve per cylinder engine head |
| 04/11/1991 | DE4030923A1 Mechanical method of adjusting engine valve play - makes use of second spring in valve with displaceable wedge |
| 04/11/1991 | DE3933923A1 Variable timing IC engine valve gear - uses spring and balance mechanism actuated by centrifugal force |
| 04/11/1991 | DE3933119A1 Bearing pin incorporated into radial roller bearing - has at least one cavity in line with welding seam and radial holes |
| 04/11/1991 | DE3926527A1 Reciprocating IC engines with compressors - incorporate valve control system with circular member carrying control information |
| 04/10/1991 | EP0421082A1 Belt tensioner |
| 04/09/1991 | US5005544 Rocker shaft support system for internal combustion engine |
| 04/09/1991 | US5005541 Hydraulic valve lifter |
| 04/09/1991 | US5005538 Internal combustion engine |
| 04/03/1991 | EP0420290A2 Valve driving device of engine |
| 04/03/1991 | EP0420159A1 Variable valve timing rocker arm arrangement for internal combustion engine |
| 04/03/1991 | EP0420139A1 Multi-valve engine |
| 04/02/1991 | US5004370 Hollow shaft having drive elements with axially varied material properties being secured on the hollow shaft by expansion of the hollow shaft |
| 04/02/1991 | US5003940 Quick adjust tappet assembly |
| 04/02/1991 | US5003939 Valve duration and lift variator for internal combustion engines |
| 04/02/1991 | US5003937 Valve operating system for internal combustion engine |
| 04/02/1991 | US5003936 Cylinder of an internal combustion engine having variable volume |
| 03/26/1991 | US5002023 Variable camshaft timing for internal combustion engine |
| 03/21/1991 | WO1991003629A1 Improvements in or relating to i.c. engines |
| 03/21/1991 | WO1991003628A1 Device for adjusting the relative angle of rotation of a shaft to a drive wheel, especially the camshaft of an internal combustion engine |
| 03/21/1991 | DE4017751A1 Rocker lever-machining equipment - has clamp pivoting on axis parallel to grinder heel end face |
| 03/20/1991 | EP0417086A1 Method and device for adjustment of camshafts. |
| 03/19/1991 | US5000142 Chain cover apparatus for engine |
| 03/19/1991 | US5000138 Installing spark plugs in a diesel internal combustion engine |
| 03/19/1991 | US5000137 Combustion engine push rod and a method of manufacturing said push rod |
| 03/19/1991 | US5000135 Gasoline engine with single overhead camshaft having duel exhaust cams per cylinder wherein each exhaust cam has duel lobes |
| 03/13/1991 | EP0416794A1 Valve mechanisms |
| 03/13/1991 | EP0416628A1 Rocker arm arrangement for variable timing type valve train |
| 03/13/1991 | EP0416600A1 Cylinder head of internal combustion engine |
| 03/13/1991 | EP0416599A1 Internal combustion engine cylinder head |
| 03/13/1991 | EP0416463A1 Internal combustion engine with camshafts and a phase change mechanism |
| 03/13/1991 | EP0416418A2 Method of making rocker arm |
| 03/12/1991 | US4998514 Self-operating lash-adjusting tappet assembly |
| 03/12/1991 | US4998513 4-stroke, stratified gas engine |
| 03/07/1991 | DE4028017A1 Valve controlled IC engine - has separate inlet and outlet valves and incorporates compensator with mass and spring |