Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
08/2000
08/09/2000EP1026494A1 Method and device for testing the strength of ceramic engine-valves
08/09/2000EP1025344A1 Electromagnetic control device
08/09/2000EP1025343A1 Device for changing the relative rotational position of a shaft to the drive wheel
08/09/2000EP1025342A1 Combustion chamber system having an improved valve arrangement
08/08/2000US6101442 System and method for detecting a valve-related fault condition for an internal combustion engine
08/08/2000US6098582 Four-stroke cycle internal combustion engine
08/08/2000US6098581 Variable valve control for piston internal combustion engine
08/08/2000US6098580 Variable valve actuator apparatus
08/08/2000US6098446 On head valve spring tester
08/03/2000WO2000045035A1 Valve opening mechanism
08/03/2000WO2000006871A9 Compact valve actuation mechanism
08/03/2000DE19903492A1 Flat base tappet, especially for gas exchange valves of internal combustion engine, has bevels or roundings formed on dogs on outer radius of locking disc for guided entry into recesses in outer cup
08/03/2000DE19903455A1 Flat based tappet, especially for gas exchange valves of internal combustion engines, has spiral spring acting as connecting element and which by outer edge portions engages with recesses in outer cup when spring expands
08/02/2000EP1023528A1 Device for operating a gas shuttle valve of a reciprocating internal combustion engine
08/02/2000EP0963508A4 Adjustment mechanism for valves
08/02/2000CN2390008Y Camshaft of YC 4108Q diesel engine
08/02/2000CN1261944A Free piston IC engine
08/02/2000CN1261943A Device for operating a gas shuttle valve by means of an electromagnetic actuator
08/02/2000CN1261645A Engine with valve stop function
08/01/2000US6095104 Method for the dimension checking of the timing system of an engine
08/01/2000US6095013 For use in a rocker arm or valve lifter of an engine valve actuating mechanism; lubricity
08/01/2000US6094974 Self-diagnosing apparatus and method of variable valve timing structure
08/01/2000US6094814 Method for servicing an internal combustion engine
07/2000
07/27/2000WO2000043747A1 Method and device for proof testing valves
07/27/2000DE19956136A1 Vorrichtung zum Betätigen eines Gaswechselventils Device for actuating a gas exchange valve
07/27/2000DE19902446A1 Valve drive for internal combustion engine, with groove outside base circle region in circumferential regions
07/27/2000DE19902445A1 Cam follower for valve gear mechanism of an IC engine, with casing having slide moving axially relative to it and having one end lying directly against bottom of cam tracker
07/27/2000DE19902214A1 Valve drive built into cylinder head of internal combustion engine, with regulator for input line to maintain constant hydraulic pressure
07/26/2000EP1022444A2 Hydraulically controlled valve drive for a multivalve cylinder head
07/26/2000EP1022441A2 Rocker arm with lubrication passage and method of forming
07/26/2000CN2389233Y Energy-saving environment protection car engine
07/25/2000US6093123 Integrated chain drive tensioner and sprocket assembly
07/25/2000US6092497 Electromechanical latching rocker arm valve deactivator
07/25/2000US6092493 Power machine valve control
07/20/2000WO2000042300A1 Improvements in a variable valve timing system for an internal combustion engine
07/20/2000WO2000042299A1 Rotary-disk valve system for internal combustion engine
07/20/2000WO2000042298A1 Device for actuating a charge cycle valve
07/20/2000DE10000751A1 Valve control for IC engine has a compensating duct between the inlet ducts of the same cylinder to prevent buildup of fuel behind inlet valves which are inactive
07/20/2000DE10000750A1 Multi-cylinder engine for motorcycle has hydraulic valve drive control valve attached to side face of cylinder head
07/19/2000EP1020622A1 Method for controlling an internal combustion engine
07/19/2000EP1020619A2 Valve drive system for engine
07/19/2000EP1009921A4 Applied lost motion for optimization of fixed timed engine brake systems
07/19/2000EP0910728B1 Hydraulic play compensating element
07/19/2000EP0648312B1 Method for motor-braking by means of a multi-cylinder internal combustion engine
07/19/2000CN1260443A Driving device for valve of engine
07/18/2000US6089575 Sealed seat for a hydraulic switching element in a mounting space for a direct-controlled cartridge valve in an insertion bore
07/18/2000US6089200 Valve tappet actuated by a CAM of an internal combustion engine
07/18/2000US6089198 Device for varying the opening and closing times of gas exchange valves of an internal combustion engine
07/18/2000US6089197 Electromagnetic actuator for an engine valve, including an integrated valve slack adjuster
07/13/2000WO2000040840A1 A low cost new internal combustion engine with increased mechanical efficiency, fuel saver and pollution controlled
07/12/2000CA2257437A1 Improvements in a variable valve timing system for an internal combustion engine
07/11/2000US6085708 Device for hydraulic rotational angle adjustment of a shaft relative to a drive wheel
07/11/2000US6085707 Valve operating system in internal combustion engine
07/11/2000US6085706 Valve timing control apparatus for internal combustion engine
07/11/2000US6085705 Variable lost motion valve actuator and method
07/11/2000US6085704 Electromagnetically operating actuator for intake and/or exhaust valves
07/06/2000WO2000039435A1 Drive unit for a valve of an internal combustion engine
07/06/2000DE19962164A1 Oil supply system for IC engine has upstream end connected to downstream oil pump end, and timing chain passing over crankshaft gear and camshaft gear
07/06/2000DE19962095A1 Mounting structure for hydraulic control valve for engines in vehicles etc. with valve fastened to outer surface of chain cover and partially covered by chain cover section
07/05/2000CN2386198Y Forced piston-type shutting air valve mechanism
07/04/2000US6083140 Pneumatic valve spring system having a single air compressor to also supply air actuated accessories
07/04/2000US6082342 Process for controlling self-ignition in a 4-stroke engine
07/04/2000US6082338 Evaporation fuel treating device for an internal combustion engine
07/04/2000US6082336 Fuel pump arrangement for engine
07/04/2000US6082318 Spark-ignition internal combustion engine having a combustion chamber provided with three valves and a central spark-plug
06/2000
06/29/2000DE19961759A1 Valve control system for IC engines has bearer shaft fitted into seat bore in valve lifter, with valve lifter peg fitting into groove in shaft
06/29/2000DE19958991A1 Electronic arrangement for reducing tears in control or toothed belts in motor vehicles warns driver not to continue until fault rectified, thus preventing subsequent severe engine damage
06/29/2000DE19860451A1 Antrieb für ein Ventil eines Verbrennungsmotors Drive for a valve of an internal combustion engine
06/29/2000DE19860418A1 Arrangement for altering combustion engine gas replacement valve control times has angle limiting device between vane wheel and drive wheel that reduces maximum vane wheel pivot angle
06/29/2000DE19860388A1 Device to vary gas exchange valve timing for IC engines has T-shaped sealing rings with wider outer jacket surface to improve sealing effect and reduce friction
06/29/2000DE19858476A1 Vorrichtung zum Übertragen einer Aktorauslenkung auf ein Stellglied und Einspritzventil mit einer solchen Vorrichtung An apparatus for transmitting a actuator deflection to an actuator and the injector with such a device
06/28/2000EP1013899A2 Valve timing control device and valve timing control method for engines
06/28/2000EP1013898A2 Valve operating system in internal combustion engine
06/28/2000EP1013779A2 Method of treating and smoothing sliding surface
06/28/2000EP1012457A1 Method and apparatus for active control of the combustion processes in an internal combustion engine
06/28/2000EP1012446A2 Engine valve actuator with valve seating control
06/28/2000CN2385088Y YC 6105QA diesel engine cam shaft line
06/28/2000CN2385087Y YC41100 diesel engine cam axial lead
06/28/2000CN1258337A 内燃机 Internal combustion engine
06/28/2000CN1257965A Method for mfg. cam shaft
06/27/2000US6079382 Locking device for a device for varying valve timing of gas exchange valves of an internal combustion engine
06/27/2000US6079381 Valve-timing controller for an internal combustion engine
06/27/2000US6079293 Push rod ball
06/22/2000WO2000036293A1 Device for transmitting an actuator displacement to a modulator and an injection valve having such a device
06/22/2000WO2000036282A1 Roller tappet
06/21/2000EP1009921A1 Applied lost motion for optimization of fixed timed engine brake systems
06/21/2000DE19959125A1 Variable valve control device for IC engine has angular phase and axial movement control devices operated independently and hydraulic pressure can be applied constantly to latter
06/21/2000DE19957527A1 Hydraulic tensioning device for automotive piston engine chain improves the chain vibration characteristics and extends service life
06/21/2000DE19954388A1 Switchable tappet for valve drive of internal combustion engine, with rest for end of pushrod on outer sector, and inner sector with cam running surface
06/21/2000DE19950989A1 Switchable tappet for valve drive of internal combustion engine, with locking device for coupling device
06/21/2000DE19922194A1 Hydro-adjusting organ with wheel blades has hydrodynamic resistance of working oil between end of sealing element and counter-surface greater than between flanks of element and groove.
06/21/2000DE19858213A1 Hydraulic valve operating system for cylinder head with integrated play leveling, in which valve bridge has mass inertia valve
06/21/2000DE19858205A1 Opening and closing time altering device for internal combustion engine valves, in which seal is in form of annular belt of thermoplastic or elastomer material
06/21/2000DE19857994A1 Spring unit with hydraulic dampener for belt or chain drive obviates the need for rivets and metal strips
06/21/2000DE19857762A1 Automotive camshaft hydraulic adjustment mechanism has fewer components and is smaller than prior art
06/21/2000DE19856617A1 Element zur Übertragung einer Bewegung und Einspritzventil mit einem solchen Element Element for transmitting movement and injection valve with such an element
06/21/2000CN1257156A Four-stroke engine for vehicle
06/20/2000US6076492 Cylinder head for variable valve timing
06/20/2000US6076491 Valve control mechanism
06/15/2000WO2000034645A1 Element for the transmission of a movement and injection valve provided with such an element