Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
07/1999
07/13/1999US5921210 Tappet assembly for the valve train of an internal combustion engine
07/13/1999US5921209 Of an internal combustion engine
07/08/1999WO1999034096A1 Actuating device for a gas-exchange valve in an internal combustion engine
07/08/1999DE19800037A1 Cylinder valve assembly for operation of inlet and outlet valves at cylinders of V-type internal combustion motor
07/08/1999DE19758372A1 Pressure supply for engine braking system
07/07/1999EP0927819A2 An intake and exhaust system for achieving lean combustion in an engine
07/07/1999EP0730705B1 Process for producing a one-piece hollow camshaft
07/07/1999CN2327787Y Air valve assembly for four stroke engine
07/07/1999CN1221852A Appts. for applying pressure and/or lubricant to used hydraulic appts. in I. C. engine
07/06/1999US5918367 Method of producing valve lifter
07/06/1999US5918366 Method of forming a tappet in an internal combustion engine
07/05/1999CA2257710A1 An intake and exhaust method for achieving lean combustion in an engine
07/01/1999WO1999009302A3 Method for chain meshing phasing on a v-engine camshaft drive to reduce noise
07/01/1999DE19860025A1 Valve timing control for internal combustion engine
07/01/1999DE19809928C1 Actuator for electromagnetic valve control
07/01/1999DE19757505A1 Betätigungsvorrichtung für ein Gaswechselventil in einer Brennkraftmaschine Actuating device for a gas exchange valve in an internal combustion engine
07/01/1999DE19757504A1 Constructed camshaft for internal combustion engine
06/1999
06/30/1999EP0925377A1 Wear-resistant camshaft and method of producing the same
06/30/1999CN1221361A Process and device for producing camshafts
06/29/1999US5915348 On an internal combustion piston engine
06/24/1999DE19853062A1 Valve timing controller for internal combustion engine
06/23/1999EP0924422A2 Fuel direct injection spark ignition type internal combustion engine
06/23/1999EP0924397A1 Device for feeding fluid and/or lubricant to a hydraulic apparatus in a combustion engine
06/23/1999EP0924393A2 Hydraulic device for changing the angular relationship between a shaft and a driving wheel
06/23/1999EP0924392A2 Hydraulic device for changing the angular relationship between a shaft and a driving wheel
06/23/1999EP0924391A2 Device for changing the angular relationship between a shaft and a driving wheel
06/23/1999CN2325517Y Device for controlling air inlet/outlet valve of four-stroke engine
06/22/1999US5913298 Valve timing system for engine
06/22/1999US5913292 Variable valve timing and lift mechanism of internal combustion engine
06/17/1999WO1999030016A1 Engine combustion system
06/17/1999WO1999030015A1 Internal combustion engine comprising at least one cylinder and individual intake passages
06/17/1999WO1999030011A1 Variable lost motion valve actuator and method
06/17/1999DE19819360A1 Valve operating time control system for internal combustion engine
06/17/1999DE19755495A1 Arrangement for controlling the air/fuel ratio in an internal combustion engine
06/17/1999DE19755276A1 Electromagnetic actuator for controlling gas changeover valve in IC engine
06/16/1999EP0923090A1 Electromagnetic actuator with detached lower collar to align with cylinder head bore
06/16/1999EP0922853A1 Device for measuring the stroke of a valve member
06/16/1999EP0922838A2 Reversing the direction of engine rotation
06/15/1999US5911203 Modular rotary discoid valve assembly for engines and other applications
06/10/1999WO1999028601A1 Disengageable valve arm or oscillating lever
06/10/1999WO1999028600A1 Valve operating lever
06/10/1999DE19854891A1 Valve timing control device for IC engines
06/10/1999DE19754016A1 Hydraulic clearance compensating element for cam follower of internal combustion engine's valve gear
06/10/1999DE19753963A1 Internal combustion engine with direct fuel injection
06/10/1999DE19753424A1 Ventilbetätigungshebel Valve actuating lever
06/09/1999EP0921286A2 Direct injection type internal combustion engine
06/09/1999EP0921279A2 Method and system for operating an internal combustion engine
06/09/1999EP0920577A1 System for angular adjustment of a shaft relative to a driving gear
06/09/1999EP0920576A1 Control system and method for an engine valve
06/09/1999CN1219219A Cylinder head for multi-cylinder internal combustion engine
06/05/1999CA2255032A1 Reclaiming foundry sand by gravity flow system
06/05/1999CA2255022A1 Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine
06/05/1999CA2254527A1 Method and system for operating an internal combustion engine having variable valve timing
06/05/1999CA2223770A1 Valve assembly using pressurized medium for controlling operating conditions of a two-stroke engine
06/03/1999WO1999027242A2 Device to limit valve seating velocities in limited lost motion tappets
06/03/1999WO1999027235A1 Method and system start-up apparatus for removing air and debris from a valve actuation system
06/03/1999WO1999015872A3 Method for evaluating the march of pressure in a combustion chamber
06/01/1999US5908015 Arrangement for interrupting the flow of force between a camshaft and a valve
05/1999
05/27/1999WO1999025970A1 Lost motion hydraulic overhead with integrated retarding
05/27/1999WO1999025960A1 Device for actuating a gas exchange valve with an electromagnetic actuator
05/27/1999WO1999025959A1 Device for regulating the gas distribution phases in an internal combustion engine
05/27/1999WO1999025958A1 Cam follower formed without removing any material
05/27/1999DE19852265A1 Engine cam tappet roller pin
05/27/1999DE19852252A1 Hydraulic device to adjust control time for opening and closing engine valve
05/27/1999DE19752374A1 Tilting or turning shutting-off tappet for IC engine valve drive
05/27/1999DE19752077A1 Turning cam follower for valve drive of internal combustion engine
05/27/1999DE19751661A1 Lift measurement arrangement for valve element
05/27/1999DE19750806A1 Hydraulic play equalizing device for valve control of internal combustion engine
05/26/1999EP0918154A2 Cylinder head for an internal combustion engine
05/26/1999EP0918142A2 Apparatus for controlling rotational phase
05/26/1999EP0918141A2 Coupling device for cam shafts in internal combustion engines
05/25/1999US5906186 Cylinder head for tappet arrangement for multi-valve engine
05/20/1999WO1999010629A3 Engine valve actuator with valve seating control
05/20/1999DE19853055A1 Direct valve drive device
05/20/1999DE19750255A1 Gas change control for optimum control of IC engine with valves acted on hydraulically
05/20/1999DE19750206A1 Tappet molded without machining
05/19/1999EP0916815A2 Apparatus and a method for detecting the valve timing of electromagnetic engine valves
05/19/1999EP0916813A2 A hydraulic apparatus for adjusting the timing of opening and closing of an engine valve
05/18/1999US5904830 Process for finishing steelwire
05/18/1999US5904226 Apparatus for supplying oil in engine
05/18/1999US5904203 Chill plate and stacked mold
05/18/1999US5904123 Mechanical valve tappet
05/14/1999WO1999023362A1 Phase change mechanism
05/14/1999WO1999023361A1 Phase change mechanism
05/12/1999EP0915268A1 Mechanical tensioner with friction damping
05/12/1999EP0915234A2 Valve timing changing apparatus for internal combustion engine
05/12/1999EP0914546A1 Valve drive system and cylinder head for an internal combustion engine
05/12/1999EP0914544A1 Angular adjustment device
05/12/1999DE19849959A1 Valve timing control device to control the timing of valves in an internal combustion engine
05/12/1999DE19749302A1 Hydraulic actuation device for gas changeover valve for internal combustion engine
05/12/1999DE19749079A1 Cam follower for valve gear of internal combustion engine
05/11/1999US5901676 Hydraulic lash compensator
05/11/1999US5901675 Valve operating apparatus of DOHC
05/11/1999US5901674 Variable valve timing device
05/06/1999WO1999022122A1 Electromagnetic control device
05/06/1999WO1999022121A1 Engine having an intake/exhaust valve integrated with a fuel injector
05/06/1999EP0913557A2 Valve operating system in internal combustion engine
05/06/1999EP0913223A1 Tappet made of light metal and a method of manufacturing the same
05/06/1999EP0912819A1 A hydraulically controlled intake/exhaust valve
05/06/1999EP0912268A1 Method for joining and inspecting