| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 07/23/1992 | WO1992012333A1 Device for actuating the valves of a reciprocating piston engine |
| 07/23/1992 | DE4101676A1 Rotary connection adjuster for camshaft to drive wheel - involves electric motor with thread section axially displaceable on fixed thread section for relative setting |
| 07/22/1992 | EP0495260A2 Apparatus for operating engine valve |
| 07/22/1992 | EP0494938A1 Camshaft for multi-valve internal combustion engine. |
| 07/21/1992 | US5131624 Electromagnetically operating setting device |
| 07/16/1992 | DE4100763A1 Vorrichtung zum betaetigen der ventile eines hubkolbenmotors Device for actuating the valves of a piston engine |
| 07/15/1992 | WO1992012331A1 Rocker arm assembly |
| 07/15/1992 | EP0494285A1 Assembly of a cylindrical body made to finished dimensions. |
| 07/15/1992 | CA2081366A1 Rocker arm assembly |
| 07/14/1992 | US5129375 Idler attaching boss construction |
| 07/14/1992 | US5129374 Hydraulic tappet |
| 07/14/1992 | US5129373 Self-contained hydraulic lash adjuster with pressurizing diaphragm |
| 07/14/1992 | US5129372 Cup tappet body for valve tappets |
| 07/14/1992 | US5129370 Valve timing control device for automotive internal combustion engine clutch mechanism |
| 07/14/1992 | US5129367 Intermittent bypass system for a check valve |
| 07/09/1992 | WO1992011449A1 Mechanism for conversion of rotary motion of shaft into translational motion of executing members |
| 07/09/1992 | DE4110088C1 Relative shaft bearing position changing mechanism - has annular coupler with inner and outer toothing linked to axially displaceable piston |
| 07/08/1992 | EP0493634A1 Electromagnetic valve control system |
| 07/07/1992 | US5127380 Combustion chamber and valve operating mechanism for multi-valve engine |
| 07/07/1992 | US5127374 Valve lifter |
| 07/01/1992 | EP0492557A1 Valve timing control system of internal combustion engine |
| 06/30/1992 | US5125374 Valve actuating arrangement for engine |
| 06/30/1992 | US5125373 Oil passage structure for rocker-arm shaft for internal combustion engine |
| 06/30/1992 | US5125372 Hydraulically operated engine valve system |
| 06/30/1992 | US5125371 Spring driven hydraulic actuator |
| 06/25/1992 | WO1992010650A1 Device for the simultaneous operation of two cylinder head valves in an internal combustion engine |
| 06/25/1992 | DE4112833A1 Variable valve control for IC engine gas exchange valve - has two parallel levers fitted between camshaft cam and valve sheet |
| 06/25/1992 | DE4041724A1 Valve arrangement for twin spark engine system - has combination of concentric inner and outer valves |
| 06/25/1992 | DE4041575A1 Cam form for IC engine valve train - incorporates profiling to minimise stress at cam contact point |
| 06/25/1992 | DE4040937A1 Cam-tappet system for IC engine - is designed to align cam axis with tappet axis |
| 06/25/1992 | DE4039494A1 IC engine with camshaft separate from camshaft wheel - makes use of radial drive lever to connect shaft with the wheel |
| 06/24/1992 | EP0491410A1 An improved timing variator |
| 06/24/1992 | EP0491341A1 Lift valve lash adjusting system |
| 06/23/1992 | USRE33967 Valve actuating mechanism having stopping function for internal combustion engines |
| 06/23/1992 | US5123388 Otto-cycle engine |
| 06/23/1992 | US5123385 Dual overhead camshaft engine cylinder head structure |
| 06/23/1992 | US5123384 Pedestal-mounted rocker arm with bushing |
| 06/23/1992 | CA1303920C Overhead cam type four valve actuating apparatus for internal combustionengine |
| 06/17/1992 | EP0490464A1 Internal combustion engine and a method of operating same |
| 06/17/1992 | EP0490426A1 Valve lifter |
| 06/16/1992 | US5121718 Valve and spring arrangement for engine |
| 06/16/1992 | US5121717 Internal combustion engine camshaft phase shift control system |
| 06/16/1992 | US5121716 Fuel injection type internal combustion engine |
| 06/11/1992 | WO1992009793A1 Variable valve timing |
| 06/11/1992 | DE4138985A1 Hydraulic length compensator - has separator piston which allows leakage of pressure medium but no air into central LP area |
| 06/11/1992 | DE4039372A1 Rotary cylinder IC engine - incorporates mechanism connecting piston to crank arm |
| 06/09/1992 | US5120278 Arrangement for the tensioning and adjusting of a camshaft chain drive |
| 06/09/1992 | US5119785 Intake apparatus for multi-valve engine |
| 06/09/1992 | US5119784 Engine control system for multi-valve engine |
| 06/09/1992 | US5119776 Compact bearing cap for overhead camshaft |
| 06/09/1992 | US5119774 Direct acting hydraulic valve lifter |
| 06/09/1992 | US5119773 Apparatus for operating the valves on internal combustion engines with a variable valve lift curve |
| 06/09/1992 | US5119691 Hydraulic phasers and valve means therefor |
| 06/03/1992 | EP0488731A1 Accessory drive device for an internal combustion engine |
| 06/03/1992 | EP0488156A1 Intake and/or exhaust-valve timing control system for combustion engines |
| 06/02/1992 | US5118342 Core particles and coverings; internal combustion engine exhaust valves |
| 06/02/1992 | US5117787 Self-adjusting hydraulic valve tappet |
| 06/02/1992 | US5117785 Valve timing control device for internal combustion engine |
| 06/02/1992 | US5117784 Internal combustion engine camshaft phaseshift control system |
| 05/29/1992 | CA2050462A1 Internal combustion engine camshaft phaseshift control system |
| 05/27/1992 | EP0487367A1 Valve control system with rocker arm for an internal combustion engine |
| 05/27/1992 | EP0486876A2 Machine element with at least a fitting member pressure-fitted on a shaft |
| 05/27/1992 | DE4116942C1 Cylinder head for multicylinder IC engine - has accessory cover bolts with oil bores for guiding oil to bearing points and valve tappets |
| 05/27/1992 | DE4037188A1 Engine overhead camshaft lubrication system - contains sleeve with throttle ports supplying passages to bearings |
| 05/27/1992 | DE4037089A1 Hydraulic controller for rotary camshaft of combustion engine - has double-acting cylinder whose displacement is translated by bevelled cogging into angular repositioning of shaft |
| 05/21/1992 | DE4100842C1 Coil spring with several concentric spring element turns - has symmetrical spring elements to attain coincidence of load and geometrical axes |
| 05/20/1992 | EP0486068A2 Intake- and/or exhaust-valve timing control system for internal combustion engines |
| 05/20/1992 | EP0422165A4 Plastic stabilized composite camshaft |
| 05/19/1992 | US5113814 Valve timing control system for internal combustion engine with enhanced response characteristics in adjustment of valve timing |
| 05/19/1992 | US5113807 Cooling system for engine |
| 05/14/1992 | DE4036010A1 Variable drive for camshafts of multicylinder engine - incorporates hydraulic pump driven by exhaust valve camshaft, to adjust bevel gearing to inlet valve camshaft |
| 05/13/1992 | EP0485007A1 Improved direct-acting hydraulic valve-lifter |
| 05/13/1992 | EP0484699A1 Friction pairing and its method of manufacture |
| 05/13/1992 | EP0335924B1 Poppet valve assembly with apertures |
| 05/12/1992 | US5111791 Cylinder head and valve train arrangement for multiple valve engine |
| 05/12/1992 | US5111782 Reciprocating engine with a gear drive |
| 05/12/1992 | US5111781 Valve actuating mechanism in four-stroke cycle engine |
| 05/12/1992 | US5111780 Drive arrangement for a camshaft in an internal combustion engine |
| 05/06/1992 | EP0483243A1 Modular position controller for variable valve timing. |
| 05/06/1992 | EP0483192A1 Autocalibration of camshaft phasing feedback in a variable valve timing system. |
| 05/06/1992 | CN2103642U Air distributing phase tester for gasoline engine |
| 05/05/1992 | US5109813 Chain drive tensioning and adjusting arrangement |
| 05/05/1992 | US5109812 Pneumatic preloaded actuator |
| 05/05/1992 | US5109726 Camshaft with barrel-shaped shank |
| 05/05/1992 | US5109564 Manual valve cleaner for removing deposits from intake and outtake valves of internal combustion engines |
| 04/30/1992 | WO1992007171A1 Hydraulic lash adjuster with air vent |
| 04/30/1992 | DE4134220A1 Device for adjusting relative angular positions of two machine parts - uses two coaxial cylinders rotated in opposite directions by hydraulic drive |
| 04/30/1992 | DE4033688A1 Lightweight rocker for use between can and valve - has baseplate and curved bow sides made of FRP with injection moulded braces and centre bearing |
| 04/29/1992 | EP0483109A2 Camshaft arrangement for multiple valve engine |
| 04/28/1992 | US5107806 Hydraulic valve-clearance compensating element for internal combustion engines |
| 04/28/1992 | US5107805 Camshaft with extra cam to increase the magnitude of torque pulsations therein |
| 04/28/1992 | US5107804 Variable camshaft timing for internal combustion engine |
| 04/28/1992 | US5107803 Split-action rocker arm |
| 04/28/1992 | US5107802 Valve driving mechanism for internal combustion engines |
| 04/23/1992 | DE4033436A1 Desmodromic valve control for combustion engine - uses two integrated valve play compensation elements |
| 04/22/1992 | EP0481124A1 Piston egine with gear wheel drive |
| 04/21/1992 | USRE33888 Method of making a camshaft for reciprocating piston engines |
| 04/21/1992 | US5105784 Rotary valve and system for duration and phase control |
| 04/21/1992 | US5105679 Camshaft arrangement |
| 04/16/1992 | WO1992006283A1 Valve mechanism |