Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
10/1997
10/07/1997US5673657 Direct-acting hydraulic tappet with roller follower
10/07/1997US5673656 Cylinder head for a four stroke combustion engine
10/07/1997CA2089100C Hydraulic valve tappet
10/02/1997WO1997036095A1 Internal combustion engine
10/02/1997DE19612969A1 Fixing of bearing bolt in valve rocker levers
10/01/1997EP0798451A1 Valve control of an internal combustion engine
10/01/1997EP0798449A1 Device for setting the relative angular position of a shaft, in particular a camshaft for an internal combustion engine
10/01/1997EP0797726A1 Valve gear mechanism for an internal combustion engine
09/1997
09/30/1997US5671712 Induction system for engine
09/30/1997US5671707 Rocker level oil shroud
09/30/1997US5671706 Variable valve timing
09/30/1997US5671704 Cylinder head with colander valve
09/25/1997WO1997035097A1 Tilting or drag lever with a valve clearance equalizing element
09/25/1997DE19611607A1 Combustion engine gas valve timing adjustment mechanism
09/25/1997DE19611606A1 Sealing arrangement for timing variation device of IC engines
09/25/1997DE19611365A1 Relative angle adjustment device for cam shaft of IC engine
09/25/1997DE19611031A1 Pressure regulator arrangement for gas pressure reduction in IC engines
09/24/1997EP0796982A1 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism
09/24/1997CN1160120A Hydraulic valve drive
09/23/1997US5669348 Cylinder head and induction system for engine
09/23/1997US5669346 Internal combustion engine
09/23/1997US5669344 Sohc system with radial valves
09/23/1997US5669343 Valve timing control system for internal combustion engine
09/23/1997US5669342 Device for simultaneous actuation of at least two gas exchange valves
09/23/1997US5669341 Valve operating system for internal combustion engine
09/23/1997US5669266 Coupling gear
09/18/1997DE19702458A1 Electromagnetic actuator e.g. for IC engine gas-exchange valve
09/18/1997DE19610301A1 Drive chain tensioner, especially for internal combustion engines
09/18/1997DE19610107A1 Kipp- oder Schlepphebel mit einem Ventilspielausgleichselement Toggle or rocker arms with a lash adjuster
09/18/1997DE19606002A1 Tensioning or slide rail for engine drive chains
09/17/1997EP0795698A1 Method of producing a composite camshaft and a tool for carrying out said method
09/17/1997EP0795379A1 Machine for automatic and simultaneous grinding of head valves for internal combustion engines
09/16/1997US5666916 Apparatus for and method of controlling internal combustion engine
09/16/1997US5666915 Oil passage structure in an engine
09/16/1997US5666914 Vane type angular phase adjusting device
09/12/1997WO1997033076A1 Valve drive for gas exchange valves of internal combustion engines
09/12/1997WO1997033075A1 Device for modifying the opening and closing times of gas exchange valves of internal combustion engines
09/11/1997DE19608652A1 Vorrichtung zum Verändern der Öffnungs- und Schließzeiten von Gaswechselventilen einer Brennkraftmaschine Means for varying the opening and closing times of gas exchange valves of an internal combustion engine
09/11/1997DE19608651A1 Ventiltrieb für Gaswechselventile von Brennkraftmaschinen Valve train for gas exchange valves of internal combustion engines
09/11/1997DE19608533A1 Timing control for internal combustion engine
09/10/1997EP0794322A1 Hydraulic lash adjuster
09/10/1997EP0794321A1 Sliding part and method for manufacturing the same
09/10/1997EP0695395B1 Valve control means
09/10/1997EP0636205B1 Valve control mechanism
09/09/1997US5664549 Breather system for an internal combustion engine
09/09/1997US5664531 Device for adjusting valve duration using external air supply
09/09/1997US5664530 Tappet for a valve drive of an internal combustion engine
09/09/1997US5664529 For an engine
09/09/1997US5664528 Valve timing control apparatus with a restricting means
09/09/1997US5664527 Pneumatic valve recoil system for internal combustion engines
09/09/1997US5664463 Camshaft assembly with shaft elements positioned one inside the other and method of producing same
09/04/1997WO1997032116A1 Rocker lever oil shroud
09/04/1997WO1997032115A1 Improvement to loop-scavenged two-stroke internal combustion engines
09/04/1997DE19608125A1 Variable valve control for IC engine
09/04/1997DE19607591A1 Lift valve control gear
09/03/1997EP0793003A1 Variable valve timing mechanism of engine
09/03/1997EP0793002A1 Preassembled cam shaft chain drive arrangement for an internal combustion engine
09/02/1997US5662540 Tensioning device for a chain of an internal combustion engine
09/02/1997US5662076 Tappet in an internal combustion engine
09/02/1997US5662075 Universal valve lifter block and cap for motorcycle engines
08/1997
08/28/1997WO1997031179A1 Device for changing the duration of opening and closing of gas-reversing valves in an internal combustion engine
08/28/1997WO1997030813A1 Shaft phase control mechanism
08/28/1997DE19641068A1 Rocker arm for valve control in piston pumps and internal combustion engines
08/28/1997DE19607088A1 Continuously variable timing device for IC engine inlet and outlet valves
08/28/1997DE19606724A1 Vorrichtung zum Verändern der Öffnungs- und Schließzeiten von Gaswechselventilen einer Brennkraftmaschine Means for varying the opening and closing times of gas exchange valves of an internal combustion engine
08/27/1997EP0791727A1 Engine having variable valve timing mechanism
08/27/1997EP0791128A1 Valve-actuating mechanism
08/27/1997EP0733154B1 Variable valve timing
08/27/1997CN1035721C Roundness processing method and its device for slipper surface of rocker arm
08/26/1997US5660153 Valve control system
08/21/1997DE19606054A1 Valve drive for internal combustion engine
08/20/1997EP0790437A1 Tensioning device of a transmission chain connecting two camshafts of an internal combustion engine
08/19/1997US5658366 Heat- and abrasion-resistant aluminum alloy and retainer and valve lifter formed therefrom
08/19/1997US5657726 Rocker arm assembly for an internal combustion engine
08/19/1997US5657725 Internal combustion engine
08/19/1997US5657671 Torque transmitting apparatus
08/14/1997WO1997029272A1 Adjusting cylinder of a camshaft adjuster on which a separate oil supply device can act
08/14/1997DE19618253C1 Cam of camshaft for controlling valve in stroke piston internal combustion engine
08/14/1997DE19604991A1 Variable valve control for internal combustion engine
08/14/1997DE19604866A1 Support system for rocker in internal combustion engine
08/14/1997DE19604865A1 Mittels separater Ölfördereinrichtung beaufschlagbarer Stellzylinder eines Nockenwellenverstellers By means of separate oil conveyor acted upon actuating cylinder of a camshaft adjuster
08/12/1997US5655499 Decompression braking apparatus for diesel engine
08/12/1997US5655496 Compact internal combustion engine
08/12/1997US5655494 Variable roller valve system for internal combustion engine
08/12/1997US5655490 Rocker arm with roller and a method for manufacturing the same
08/12/1997US5655488 Dual event valve control system
08/12/1997US5655487 Switchable support element
08/12/1997US5655416 Torsional absorber for camshaft sprockets
08/07/1997WO1997028356A1 Pushrod for operating the valve gear mechanism of an internal combustion engine
08/07/1997WO1997028355A1 Pushrod for the valve gear mechanism of an internal combustion engine
08/07/1997WO1997021909A3 Valve gear mechanism for an internal combustion engine
08/07/1997DE19654570A1 Chain drive for overhead camshaft
08/07/1997DE19603916A1 Stößel für den Ventiltrieb einer Brennkraftmaschine Tappet for the valve train of an internal combustion engine
08/07/1997DE19603915A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine
08/07/1997DE19603692A1 Cylinder head with integrated camshaft bearing gap
08/06/1997EP0787893A1 Valve drive comprising pneumatic return spring for an internal combustion engine
08/06/1997EP0787892A1 A system for just-in-time scheduling of variable camshaft timing
08/06/1997EP0628133B1 Process for driving a device for relatively rotating a shaft and device for relatively rotating the shaft of an internal combustion engine
08/05/1997US5653198 Finger follower rocker arm system
07/1997
07/31/1997WO1997027384A1 Device for varying the valve-timing of an internal combustion engine