Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear
Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520)
10/1991
10/01/1991CA1289825C Method of and apparatus for controlling valve operation in an internal combustion engine
10/01/1991CA1289776C Camshaft and method for its production
09/1991
09/26/1991DE4008906A1 Hollow IC engine camshaft - has drive tube with inner opening incorporating wedges with inner space
09/25/1991EP0229181B1 Method of reestablishment of camshafts
09/24/1991US5050544 Structure for mounting the same type of camshafts on different types of cylinder heads
09/19/1991WO1991014082A2 Drive arrangement for a camshaft
09/19/1991DE4008455A1 Assembling crankshaft to engine block - involves assembly plate engaging pin on block to rotate crankshaft as it is lowered into position
09/19/1991DE4006910C1 IC engine camshaft chain drive - has transverse chain tensioner and adjuster for slack and load chain sections shortening and lengthening respectively
09/17/1991US5048476 Two-cycle internal combustion engine
09/17/1991US5048475 Rocker arm
09/17/1991US5048474 Valve train for automotive engine
09/12/1991DE4007181A1 Antriebsvorrichtung fuer eine nockenwelle Drive device for a camshaft
09/12/1991DE4006945A1 In-line piston machine with balancing device - incorporates eccentrically running counterweight running parallel to crankshaft
09/11/1991EP0445555A2 Method for the regulation of the camshaft phasing, continuously variable according to RPM
09/11/1991EP0445356A1 Device for tensioning and adjusting a chain drive for camshafts
09/11/1991EP0295281B1 Mounting process and device for manufactured camshafts
09/10/1991US5046462 Rocker arm arrangement for variable valve timing type internal combustion engine valve train
09/10/1991US5046460 Variable camshaft timing for internal combustion engine
09/10/1991CA1288615C Variable camshaft timing system
09/05/1991WO1991013241A1 Valve duration and lift variator for internal combustion engines
09/04/1991EP0444562A1 Timing system, particularly for an internal combustion engine with a number of valves per cylinder
09/03/1991US5044330 Valve spring spacer
09/03/1991US5044329 Adjustable pushrod guide plate assembly
09/03/1991US5044224 Camshaft
08/1991
08/28/1991EP0443146A1 Tappet with hydraulic valve lash adjuster
08/27/1991US5042443 Multiple-valve internal combustion engine
08/27/1991US5042438 Valve-controlled internal combustion engine
08/27/1991US5042437 Cam shaft
08/22/1991WO1991012415A1 Cam mechanisms
08/22/1991WO1991012414A1 Engine camshaft phasing
08/22/1991DE4005261A1 IC-engine valve tappet - has hydraulic valve clearance adjuster with ring channel connecting oil supply and transfer borehole
08/20/1991US5041253 Method of making a plastic stabilized composite camshaft
08/20/1991US5040651 Self actuator for cam phaser with sprag clutch
08/20/1991US5040500 Torque pulse compensated camshaft
08/20/1991US5040499 Intake- and/or exhaust-valve timing control system for internal combustion engines
08/20/1991US5040498 Valve arrangement for cylinders of an internal combustion engine
08/17/1991WO1991012413A1 Valve control means
08/14/1991EP0441167A1 Camshafts control drive for a V type engine
08/14/1991EP0440652A1 Variable camshaft timing system
08/13/1991US5039568 Mechanical part made of ceramics
08/13/1991US5038732 Internal combustion engine cylinder head
08/13/1991US5038729 Distributor driving apparatus for engines
08/13/1991US5038726 Rocker arm with integral ball pivot socket
08/08/1991DE4102037A1 Engine with combustion-chamber scavenging - has valves delivering combustion air and mixture separately with fuel injector
08/08/1991DE4002964A1 IC engine cylinder head - has tappet openings of cross=sections comprising curved ends and outwards-arching sides
08/07/1991EP0440314A2 Method for variable valve timing for an internal combustion engine
08/07/1991EP0439703A1 Method for improving the bond between a hollow tube and parts thereon
08/06/1991US5036807 Variable valve timing lift device
08/06/1991CA1287227C Hollow shaft having drive elements with axially varied material properties being secured on the hollow shaft by expansion of the hollowshaft
08/01/1991DE4025234C1 Cup shaped hydraulic tappet - has hydraulic play balancing element in bellows, inner chamber, oil storage chamber and oil feed hole
08/01/1991DE4002442A1 Cylinder head for IC engine - uses hollow inlet valve containing outlet valve on common axis
08/01/1991DE3448354C2 IC engine camshaft drive
07/1991
07/31/1991EP0438720A1 Timing setting device
07/30/1991US5035959 Silicon nitride, hardness
07/30/1991US5035637 Engine valve cover gasket with electrical bridge
07/30/1991US5035209 Retention shelf for an engine
07/25/1991WO1991010816A1 Valve driving device
07/25/1991WO1991010813A1 Hydraulic control device
07/23/1991US5033422 Valve drive apparatus for double overhead camshaft engine
07/23/1991US5033421 V type engine
07/23/1991US5033420 Rocker arm arrangement for variable timing type valve train
07/23/1991US5033327 Camshaft phasing drive with wedge actuators
07/23/1991US5033290 Method of detecting failure of a valve timing changeover control system of an internal combustion engine
07/18/1991DE4100087A1 Mounting cam on cam shaft - involves pre-assembled cam and hollow cylinder
07/18/1991DE4037824A1 Hydraulische stelleinrichtung Hydraulic adjustment device
07/18/1991DE4025569C1 Valve brake for vehicle IC engine - has separately controllable cylinder outlet valves for drive and braking functions
07/17/1991EP0436779A1 Cylinder head for internal-combustion engine
07/17/1991EP0436581A1 Modular, self-contained hydraulic valve timing systems for internal combustion engines
07/17/1991EP0279826B1 Differential camshaft
07/16/1991US5031591 OHC vertical crankshaft engine
07/16/1991US5031588 Internal combustion engine utilizing stratified charge combustion process
07/16/1991US5031586 Multi-valve engine
07/16/1991US5031585 Electromagnetic brake for a camshaft phase change device
07/16/1991US5031583 Valve operating device for internal combustion engine
07/11/1991WO1991010047A1 Camshaft
07/11/1991WO1991010046A1 Cylindre head for reciprocating endothermic engines provided with at least one valve actuated either for suction or for exhaust
07/10/1991EP0435875A1 Low profile internal combustion engine
07/09/1991US5029560 Oil pressure lash adjuster of a directly acting type
07/02/1991US5027763 One-piece push rod having enlarged spherical seat
07/02/1991US5027762 Lubrication system for multi-cylinder engine
07/02/1991US5027761 Valve operating mechanism for internal combustion engine with a spark plug insertion hole in a rocker arm holder
06/1991
06/27/1991DE4037526A1 Simultaneous drive for poppet valves - has cup-shaped tappet with skirt fitting over spring plate at sides
06/27/1991DE3942400A1 Adjustable IC engine camshaft drive - has cylindrical component screwed to camshaft drive end, forming chamber for annular piston
06/26/1991EP0434638A1 An internal combustion engine with controlled ignition and twin overhead camshafts for motor vehicles
06/26/1991EP0434331A1 Drive arrangement for valves of an internal combustion engine
06/26/1991EP0433728A1 Cylinder head and valve arrangement for a multi-valve internal combustion engine
06/26/1991EP0433561A1 A diesel engine with a precombustion chamber
06/25/1991US5025761 Variable valve-timing device
06/19/1991EP0432174A1 Control device for a gas shuttle valve
06/19/1991EP0313624B1 Improvements in or relating to driving connections between two rotatable bodies
06/18/1991US5024191 Control system for a variable valve actuating mechanism of an internal combustion engine
06/18/1991US5024187 System for axially locating a camshaft
06/13/1991WO1991008381A1 Valve arrangement
06/13/1991WO1991008380A1 Hydraulic control device for the valves of a multi-cylinder internal-combustion engine
06/13/1991DE4021024A1 Drive transmitter for driven shaft
06/12/1991EP0431546A1 Drive transfer for auxiliary units
06/12/1991EP0309468B1 Variable actuator for a valve
06/11/1991US5022361 Motor vehicle engine
06/11/1991US5022360 Valve actuator for overhead camshaft engine
06/11/1991US5022358 Low energy hydraulic actuator
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