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)
05/1999
05/06/1999DE19818971A1 Valve timing for IC engine
05/06/1999DE19748164A1 Roller push rod for valve gear in internal combustion engine
05/06/1999DE19748163A1 Contact transmission chain clamping and setting device
05/06/1999DE19748162A1 Valve tappet with hydraulic valve clearance leveling element
05/05/1999CN1215793A Valve operating system in internal combustion engine
05/04/1999US5899190 Direct injection type multicylinder engine
05/04/1999US5899181 Valve train in internal combustion engine
05/04/1999US5899180 Variable valve gear, particularly for internal-combustion engines
04/1999
04/29/1999DE19747244A1 Cylinder head for internal combustion engine
04/29/1999DE19747011A1 Variable valve control system for internal combustion engine
04/29/1999DE19746529A1 Stageless variable control time setting device for engine valves
04/28/1999EP0911494A2 Variable valve operating device for internal combustion engines
04/28/1999EP0911492A1 Device to modify the angular phase of an internal combustion engine camshaft
04/28/1999EP0910728A1 Hydraulic play compensating element
04/27/1999US5896836 Arrangement in camshaft adjusters for preventing starting noises
04/22/1999WO1999019610A1 Device for operating a gas shuttle valve of a reciprocating internal combustion engine
04/22/1999WO1999019271A1 Method for increasing the wear-resistance of a work piece
04/22/1999DE19818584C1 Device for varying valve spring force of internal combustion engine gas exchange valves
04/22/1999DE19745908A1 Gas reversing valves control for internal combustion engine, especially vane cell adjustment
04/22/1999DE19745907A1 Valve plunger for combustion engine for hole in cylinder head
04/22/1999DE19745729A1 Internal combustion engine with adjusting unit operated by lubricating oil pressure
04/22/1999DE19745715A1 Variable control of valves of internal combustion engine
04/22/1999DE19745670A1 Valve timing control for internal combustion engine
04/22/1999DE19745522A1 Valve opening and closing system for piston engine
04/21/1999EP0909883A1 Arrangement and method for valve driving in a reversible diesel engine
04/21/1999EP0909882A2 Variable valve control for internal combustion piston engines
04/21/1999EP0909881A2 Variable valve operating device for an internal combustion engine
04/21/1999CN1214408A Arrangement and method for valve control of reversible diesel combustion engine
04/20/1999US5894822 Support element for a finger lever of a valve drive of an internal combustion engine
04/20/1999US5894662 Method of making a trunnion
04/15/1999DE19806888A1 Increasing wear resistance of workpiece
04/15/1999DE19806272C1 Cast light metal cylinder head for liquid cooled internal combustion engine with three valves per cylinder
04/15/1999DE19745051A1 Lever-type cam follower for valve gear of internal combustion engine
04/14/1999EP0908646A1 Hydraulic chain tensioner with a deep drawn bore cup
04/14/1999EP0908605A2 Valve operating system for internal combustion engines which can be disabled
04/14/1999EP0908604A1 Variable valve timing mechanism
04/14/1999EP0907436A1 Process and device for producing camshafts
04/14/1999EP0775027B1 Method of manufacturing a hollow spindle
04/13/1999US5893348 Combustion chamber system having an improved valve arrangement
04/13/1999US5893345 Valve control apparatus for an internal combustion engine
04/13/1999US5893344 Valve deactivator for pedestal type rocker arm
04/13/1999CA2159047C Fuel supply system for multi-cylinder engine
04/08/1999WO1999017002A1 Engine front cover
04/08/1999DE19844473A1 Valve timing control device for an internal combustion motor
04/08/1999DE19744253A1 Motor valve push rod to operate the valves in an internal combustion motor
04/08/1999DE19743479A1 Cam tracer for the operation of the valves in an internal combustion motor
04/07/1999EP0907008A1 Cylinder head with valve gear for an internal combustion engine
04/07/1999EP0907007A1 Camshaft drive assembly
04/07/1999EP0741836B1 Cam mechanisms
04/07/1999EP0673470B1 Improvements to internal combustion engines
04/06/1999US5890469 Exhaust valve mechanism in an internal combustion engine
04/06/1999US5890463 Tappet with a hydraulic valve clearance compensation element
04/06/1999US5890461 Engine cylinder head cooling arrangement
04/01/1999WO1999015872A2 Method for evaluating the march of pressure in a combustion chamber
04/01/1999WO1999009302A8 Method for chain meshing phasing on a v-engine camshaft drive to reduce noise
04/01/1999WO1998053185A9 Cam follower for a valve gear in an internal combustion engine
04/01/1999DE19743110A1 Cylinder head
04/01/1999DE19742778A1 Rocker arm for valve gear of internal combustion engine
03/1999
03/30/1999US5887563 Working 4-cycle engine
03/30/1999US5887557 Camshaft with drive, bearing and cam elements
03/30/1999US5887553 Device for electromagnetic actuation of a gas exchange valve
03/30/1999US5887474 Method for manufacturing a rocker arm
03/25/1999WO1999014469A1 Method and apparatus for active control of the combustion processes in an internal combustion engine
03/25/1999WO1999014466A1 Rocking or tilting valve lifter for a valve-driving mechanism of an internal combustion engine
03/25/1999DE19843665A1 Valve control time regulator for internal combustion engine
03/25/1999DE19742114A1 Position indexing wheel showing camshaft orientation with respect to drive wheel
03/25/1999DE19741820A1 Evaluating combustion chamber pressure
03/25/1999DE19741598A1 Sealing ring between rotary and fixed component
03/25/1999DE19741597A1 Cam pulse wheel for internal combustion engine
03/25/1999DE19741568A1 Electromagnetic valve unit, for I.C. engines
03/25/1999DE19741078A1 Turning or tilting lever for internal combustion engine valve drive
03/25/1999DE19741077A1 Cylinder valve drive axis for turning bearing of tilting or turning levers
03/25/1999CA2302642A1 Method and apparatus for active control of the combustion processes in an internal combustion engine
03/24/1999EP0903471A1 Device for variable camshaft timing in an internal combustion engine
03/24/1999EP0903470A1 Device for variable camshaft timing in an internal combustion engine
03/24/1999CN1211680A Overhead cam engine
03/24/1999CN1211670A Valve straight-motion type engine
03/23/1999US5885690 Machine part
03/23/1999US5884596 Valve spring in an internal combustion engine
03/23/1999US5884595 Mechanical cup pushrod for an internal combustion engine's valve gear
03/23/1999US5884594 Valve cover system for motors
03/23/1999US5884593 Head and overhead camshaft assembly for an internal combustion engine
03/23/1999US5884592 Valve gear mechanism for an internal combustion engine
03/18/1999DE19842431A1 Valve timing control device for i.c. engine
03/18/1999DE19841734A1 Valve timing control for internal combustion engine
03/18/1999DE19841484A1 Variable valve lift device
03/18/1999DE19739854A1 Valve operating device for multi-cylinder internal combustion engine
03/17/1999EP0902170A2 Chain drive tensioner and variator
03/17/1999EP0902169A1 Mechanical device for varying the phase between a drive shaft and a camshaft of an internal combustion engine
03/16/1999US5881946 Method of manufacturing a hollow spindle
03/16/1999US5881691 Finger lever or rocker arm for a valve drive of an internal combustion engine
03/16/1999US5881690 System for variably controlling operation of an intake/exhaust valve for an internal combustion engine
03/16/1999CA2078171C Method of controlling an internal combustion engine
03/11/1999DE19738811A1 Engine valve-gear rocker
03/11/1999DE19738618A1 Solenoid operating equipment for gas valve
03/11/1999DE19738612A1 Camshaft for internal-combustion engine
03/10/1999EP0900327A1 Cylinder head for a multi-cylinder internal combustion engine
03/09/1999US5878782 Switching valve
03/09/1999US5878719 Injector mounting structure for engines
03/09/1999US5878705 Device for the optional actuation of at least one gas exchange valve
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