Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
07/1989
07/27/1989DE3801102A1 Device for a reciprocating piston engine with variable combustion chamber
07/26/1989EP0325162A1 Power control process for an internal-combustion piston engine with controlled cylinder charge
07/25/1989US4850315 Push rod
07/25/1989US4850314 Flapping-preventing runner for a pre-timed distribution assembly for internal combustion engines
07/25/1989US4850311 Three dimensional cam cardanic follower valve lifter
07/19/1989EP0324500A1 Composite shaft with integrated drive elements
07/19/1989EP0324499A1 Method for producing a composite shaft
07/19/1989EP0324498A1 Drive shaft composed of several layers
07/19/1989EP0324092A1 Valve actuation device for multi-valve-type engine
07/19/1989EP0324085A1 Hydraulic lash adjuster
07/18/1989US4848286 Ceramic tiped pivot rod and method for its manufacture
07/18/1989US4848285 Valve operating apparatus for an internal combustion engine
07/18/1989US4848284 Valve operating device for multicylinder internal combustion engine
07/18/1989US4848183 Camshaft damper
07/18/1989US4848180 Low-friction, boat-type rocker arm
07/18/1989US4848170 Starting apparatus for an internal combustion engine
07/18/1989US4847963 Camshaft manufacture
07/12/1989EP0323591A2 Double-point timing device
07/11/1989US4846138 Low profile internal combustion engine
07/11/1989US4846121 Variable friction roller tappets
07/11/1989CA1257160A1 Valve operating mechanism for internal combustion and like-valved engines
07/06/1989DE3841710A1 Internal combustion engine with a cross-flow cylinder head, especially an air-cooled detached cylinder head for motor cycle internal combustion engines
07/06/1989DE3743854A1 Four-valve control with upper supporting elements
07/06/1989DE3743816A1 Cam for a built camshaft of a reciprocating internal-combustion engine
07/05/1989EP0323234A1 Valve operating system for internal combustion engines
07/05/1989EP0323233A1 Lubricant supplying system for DOHC type multi-cylinder internal combustion engine
07/05/1989EP0322572A1 Valve actuating device for multi valve-type engine
07/05/1989EP0322407A1 Reciprocatory machines.
07/04/1989US4844023 Valve operating device for internal combustion engine
07/04/1989US4844022 Valve operating apparatus for an internal combustion engine
07/04/1989CA1256764A1 Poppet valve spring retainer with mechanical/hydraulic adjustment means for internal combustion engine
06/1989
06/29/1989WO1989005910A1 Internal combustion engine with a cross-flow cylinder head, in particular an air-cooled single cylinder head for internal combustion engines for motorcycles
06/29/1989WO1989005901A1 Exhaust valve
06/29/1989WO1989005899A1 Valve-actuating device
06/29/1989WO1989005898A1 Automatic clearance adjuster
06/29/1989DE3841997A1 Ventilantriebssystem A valve operating system
06/28/1989CN2040148U Integrated double-ball pusher bar with non-identical diameter
06/27/1989US4841924 Sealed camshaft phase change device
06/27/1989US4841922 Method of making a rocker arm
06/27/1989US4841799 Variable ratio lever arm mechanism
06/27/1989US4841789 Drive system for driving valves and an auxiliary machine of an automotive engine
06/27/1989US4841627 Apparatus for making tubular camshaft assemblies
06/21/1989EP0320789A2 Connecting method
06/20/1989US4840529 Adjustment lock
06/20/1989US4840160 Valve control device
06/20/1989US4840153 Hydraulic lash adjuster
06/20/1989US4840151 Sealed-type lash adjuster
06/20/1989US4840150 Valve-actuating lever for internal combustion engines
06/20/1989US4840149 Camshaft apparatus for an internal combustion engine
06/15/1989DE3741326A1 Adjusting device
06/14/1989EP0320233A1 Multivalve cylinder head
06/14/1989EP0319956A1 Valve operating mechanism
06/13/1989US4838219 Curved intake duct having improved flow characteristics
06/13/1989US4838217 Cast iron camshaft for internal combustion engines
06/13/1989US4838114 Arrangements for converting rotary motion to linear motion
06/13/1989CA1255607A1 Housing for a valve actuating push rod
06/07/1989EP0318592A1 Power transmission system using toothed belt of engine for vehicle
06/06/1989US4836171 Injection-type internal combustion engine
06/06/1989US4836156 Timing transmission device for an internal combustion engine
06/06/1989US4836154 Poppet valve assembly with apertures
06/06/1989US4835832 Method of assembling tubular shaft assemblies
06/01/1989WO1989003927A3 Valve assembly for internal combustion engine
05/1989
05/31/1989EP0318303A1 Valve operating system for internal combustion engines
05/31/1989EP0318151A1 Hydraulic lash adjuster with multi-directional check valve
05/31/1989EP0317725A1 Poppet valve control device
05/30/1989US4834219 Oil pump for internal combustion engine disposed concentrically about the transmission mainshaft
05/30/1989US4834048 Internal combustion engine having at least two inlet valves per combustion chamber
05/24/1989EP0317372A1 Apparatus for controlling valve operation in an internal combustion engine
05/24/1989EP0317371A1 Valve operating device for internal combustion engine
05/24/1989EP0317364A1 Valve operating system for internal combustion engine
05/24/1989DE3743211C1 Ventilbetaetigungseinrichtung Ventilbetaetigungseinrichtung
05/24/1989DE3738809A1 Nocken mit haertbarer laufbahn Cam with curable runway
05/23/1989US4832664 Guide rail for drive chains
05/23/1989US4831975 Drive mechanisms
05/18/1989DE3737602A1 Device for changing the control times of the valves of an internal combustion engine by means of a differential gear
05/16/1989US4829952 Poppet valve lash cap assembly
05/16/1989US4829950 Lightweight, high strength, wear resistant
05/16/1989US4829949 Valve mechanism for an internal combustion engine
05/16/1989US4829948 Valve operating device for internal combustion engine
05/16/1989US4829946 Exhaust control valve for two-stroke cycle engines and process for using the same
05/16/1989US4829647 Method of making low friction finger follower rocker arms
05/11/1989DE3736422A1 Camshaft and method for its manufacture
05/10/1989CN1032836A Hydraulic engine valve lifter assembly
05/09/1989US4828536 Chain tensioner
05/09/1989US4827896 Internal combustion engine without connecting rods
05/09/1989US4827882 Internal regenerative combustion engines with thermal integrated optimized system
05/09/1989US4827585 Cam shaft manufacturing method and device used therein
05/05/1989WO1989003927A2 Valve assembly for internal combustion engine
05/03/1989EP0313624A1 Improvements in or relating to driving connections between two rotatable bodies.
05/03/1989DE3735589A1 Valve-actuating lever made of light metal with a cast-in sliding body made of oxide or nitride ceramic and process for producing it
05/02/1989US4826346 Camshaft preferably for an internal combustion engine
05/02/1989US4825824 Valve clearance adjusting device
05/02/1989US4825823 Self-adjusting hydraulic valve tappet
05/02/1989US4825822 Rocker arm arrangement for multi-valve internal combustion engine
05/02/1989US4825818 Breather apparatus and cam chain tensioner adjuster apparatus in four-cycle engine
05/02/1989US4825717 Rocker arm of the cam-follower type with ribs
04/1989
04/27/1989DE3802659C1 Valve tappet guide
04/26/1989EP0313140A1 Improved timing system for internal combustion engines with high specific power
04/25/1989US4823747 Cylinder head camshaft mounting arrangement
04/19/1989EP0312216A2 Valve operation control system in internal combustion engine