| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 01/24/2001 | CN1281527A Reciprocating rotary piston system and pressure pump and IC engine using same |
| 01/23/2001 | US6176211 Push rod cover arrangement for engines |
| 01/23/2001 | US6176210 Axially-compact cam phaser having an inverted bearing |
| 01/23/2001 | US6176208 Electromagnetic valve driving apparatus |
| 01/18/2001 | WO2001004464A1 Reciprocating internal combustion engine, comprising a camshaft |
| 01/18/2001 | DE19961775A1 Regulating arrangement for internal combustion engine has camshaft angle detector in camshaft rotating variably relative to crankshaft, separate cylinder identifying signal generator |
| 01/18/2001 | DE19960561C1 Valve lift measurement arrangement for camshaft-controlled engine inlet valves with variable lift enables accurate association of sensor signal with valve lift |
| 01/18/2001 | DE19932050A1 Roller ball on end of valve stem, pressed onto end of valve stem with enough play for it to roll |
| 01/18/2001 | DE19931740A1 Hubkolbenbrennkraftmaschine mit einer Nockenwelle Reciprocating internal combustion engine having a camshaft |
| 01/18/2001 | DE10033437A1 Valve operating device for internal combustion engine, with camshaft, cams, main tappet shaft, auxiliary tappet shaft and tappets |
| 01/17/2001 | EP1068432A2 Hydraulic lash adjuster with compression release brake |
| 01/17/2001 | EP1068114A1 Rocker brake assembly with hydraulic lock |
| 01/17/2001 | EP1068034A1 Method of and apparatus for producing an assembled rotatable shaft arrangement |
| 01/16/2001 | US6173689 Lubrication arrangement for engine valve actuation |
| 01/16/2001 | US6173688 Valve timing variation device |
| 01/16/2001 | US6173687 Hydraulic apparatus for adjusting the timing of opening and closing of an engine valve |
| 01/16/2001 | US6173686 Valve timing control device |
| 01/16/2001 | CA2037870C Rocker arm with rounded channel to engage a valve stem with semi-spherical end |
| 01/11/2001 | WO2001002703A1 Method for controlling a device for varying the valve control times of an internal combustion engine, especially a camshaft adjustment device with a hydraulically releasable start locking system |
| 01/11/2001 | DE19955894C1 IC engine has guide for drive chain between crankshaft and camshaft provided integral with cover enclosing space containing drive chain |
| 01/11/2001 | DE19953903C1 Cylinder head for reciprocating piston IC engine has at least 3 entry valves for each engine cylinder with their longitudinal axes offset to either side of axis of common camshaft |
| 01/11/2001 | DE19932348A1 Tappet clearance compensation device for esp. opposed cylinder engines has compensation elements facing upwards at an angle to the horizontal |
| 01/11/2001 | DE19932346A1 Tappet clearance compensation device for esp. opposed cylinder IC engines has compensation units with all pistons directed in same direction and at an angle to horizontal |
| 01/11/2001 | DE19932299A1 Turning angle adjustment device for camshaft relative to crankshaft in IC engines has swivel vanes charged with hydraulic oil on underside when engine is running, to press vanes against inner face of outer rotor |
| 01/11/2001 | DE19929668A1 Tension device for continuous drive chain etc. in IC engines has oil damper chamber with oil outlets regulated by valve units |
| 01/11/2001 | DE19927929A1 Safety device between timing gear lever and valve in IC engines has valve levers with undercut guide grooves engaging with valve shaft end |
| 01/10/2001 | EP1067275A2 Hydraulic chain tensioner with directional vent device |
| 01/09/2001 | US6170471 Engine pump drive |
| 01/09/2001 | US6170450 Hydraulic tappet with controlled lift loss |
| 01/09/2001 | US6170449 Valve operating system for engine |
| 01/09/2001 | US6170448 Variable valve timing apparatus |
| 01/09/2001 | US6170447 Inner seal for a camshaft adjusting device in an internal combustion engine, specially a blade cell adjusting device |
| 01/09/2001 | US6170446 Valve timing control system for internal combustion engine |
| 01/09/2001 | US6170442 Free piston internal combustion engine |
| 01/04/2001 | WO2001000968A1 Method of controlling a device that varies the valve control times of an internal combustion engine, especially of a camshaft adjusting device with hydraulically releasable start lock |
| 01/04/2001 | WO2001000967A1 Lock mechanism of valve timing adjusting device |
| 01/04/2001 | DE19944535C1 Cam shaft adjuster for internal combustion engines has control slider with central return bore and controllable housing connections connectable to supply connection on return side |
| 01/04/2001 | DE10024552A1 Nocken- und Lagerelemente für zusammengesetzte Nockenwellen Cam and bearing elements for composite camshafts |
| 01/03/2001 | EP1065348A2 Variable valve timing with actuator locking for internal combustion engine |
| 01/03/2001 | CN2413026Y Changeable gas distribution phase mechanism |
| 01/02/2001 | US6167856 Low friction cam shaft |
| 01/02/2001 | US6167854 Two-part variable valve timing mechanism |
| 01/02/2001 | US6167852 Vale opening and closing time detecting apparatus and method thereof for electromagnetically operated valve mechanism in internal combustion engine |
| 01/02/2001 | CA2169862C Silicon nitride ceramic sliding member and process for producing the same |
| 12/28/2000 | WO2000079105A1 Hydraulic valve anti-backlash element |
| 12/28/2000 | DE19957180A1 Internal combustion engine gas change systems move seal to open and close gas orifice as function of chamber pressure with valve base cylinder head and seal forming controllable opening gap. |
| 12/28/2000 | DE19929394A1 Internal combustion engine shaft valve control system uses electric magnet for gradual and progressive chamber pressurizing for de-locking and shaft control as engine starts. |
| 12/28/2000 | DE19929393A1 Internal combustion engine camshaft adjustment system centers round electric magnet to smoothly control current load on pressure chambers to turn camshaft relative crankshaft and release locking element. |
| 12/28/2000 | DE19928560A1 Torque regulation system for internal combustion engines in motor vehicles sets desired torque via variable valve control actuator depending on pressure set by choke flap control actuator |
| 12/28/2000 | DE19928284A1 Ventiltrieb für Verbrennungskraftmaschine Valve gear for internal combustion engine |
| 12/27/2000 | EP1063427A2 Engine control system for controlling in-cylinder fuel injection engine |
| 12/27/2000 | EP1063392A2 Automotive internal combustion engine. |
| 12/27/2000 | EP1063391A2 Valve drive for an internal combustion engine |
| 12/27/2000 | EP1062410A1 Selective disabling of cam operated devices |
| 12/26/2000 | US6164257 Oil passage construction for an engine with an oil pressure control device |
| 12/26/2000 | US6164256 Mechanism for transmitting the movement of cams |
| 12/26/2000 | US6164255 Switchable cam follower |
| 12/21/2000 | WO2000077378A1 Small motorcycle with engine |
| 12/21/2000 | DE19928006A1 Engine valve operating device with adaptive actuator adjustment provided by pressure-responsive setting element subjected to reaction force upon opening of engine valve |
| 12/21/2000 | DE19927723A1 Valve arrangement for 4-valve cylinder head for IC engines has two pairs of valves connected by bars along valve plates, and one valve only being driven by camshaft |
| 12/21/2000 | DE19927669A1 Verfahren zur Überwachung des Betriebs einer Kolbenbrennkraftmaschine mit vollvariablen Gaswechselventilen Method for monitoring the operation of a reciprocating internal combustion engine with fully variable gas exchange valves |
| 12/20/2000 | EP1061239A2 Combustion control apparatus for internal combustion engine |
| 12/20/2000 | EP1061238A2 Method for monitoring the operation of a piston engine with totally variable gas exchange valves |
| 12/20/2000 | EP1061232A2 Oscillating rotary piston engine |
| 12/20/2000 | CN1277655A Device for actuating a gas exchange valve with an electromagnetic actuator |
| 12/20/2000 | CN1059730C 内燃机 Internal combustion engine |
| 12/19/2000 | US6161521 Internal combustion engine having deceleration fuel shut off and camshaft controlled charge trapping |
| 12/19/2000 | US6161511 Intake/exhaust valve open/close timing control system for internal combustion engine |
| 12/14/2000 | DE19963655A1 System for valve control timing in internal combustion engines learns maximum delay positions to execute precise valve control timing while using a microcomputer. |
| 12/14/2000 | DE19934503C1 Method of determining stroke of valve, esp. gas changing valve for internal combustion engine guarantees reliable and simple determination of valve stroke |
| 12/14/2000 | DE19926646A1 Lever-type cam follower for valve gear of internal combustion engine has first hole in one wall of cam follower with larger diameter than bearing surface of pin and second end of pin serving as mounting for cam roller |
| 12/14/2000 | CA2310967A1 Camshaft lash adjustment process and system for internal combustion engine |
| 12/13/2000 | EP1059423A2 Valve driving apparatus for internal combustion engine |
| 12/13/2000 | EP1058779A1 Free-piston internal-combustion engine |
| 12/13/2000 | EP1058774A1 Device for adjusting the movement path of the gas shuttle valve of an internal combustion engine |
| 12/13/2000 | CN1276467A Valve driving device for IC engine |
| 12/12/2000 | US6158465 Rotary valve assembly for engines and other applications |
| 12/12/2000 | US6158408 Cylinder head and casting core for producing oil channels |
| 12/12/2000 | US6158404 Apparatus for regulating the operation of an adjusting device |
| 12/07/2000 | WO2000073641A1 Chain adjuster for internal combustion piston engine with variable combustion chamber |
| 12/07/2000 | WO2000073636A1 Desmodromic cam driven variable valve timing mechanism |
| 12/07/2000 | DE19925268A1 Kettenspanner für eine Kolbenbrennkraftmaschine mit variablem Brennraum Chain tensioner for a reciprocating internal combustion engine with variable combustion chamber |
| 12/07/2000 | DE19918504A1 Piston engine with real constant volume combustion has compression, combustion, expansion in separate time-sequence chambers |
| 12/07/2000 | DE19916689C1 Cam manufacturing method for diesel engine valve control cams has angular offset between 2 alternate cam surfaces provided by machining successive narrow strips with given angular offset between them |
| 12/06/2000 | EP1057982A2 Four-stroke cycle engine |
| 12/06/2000 | EP1057981A2 Phase change coupling |
| 12/06/2000 | EP1057980A2 Rocker arm and method of fabricating rocker arm body |
| 12/06/2000 | EP1057979A2 Segmented camshaft assembly for an internal combustion engine |
| 12/06/2000 | EP1056940A1 Internal combustion engine |
| 12/06/2000 | CN1276038A Device for operating gas shuttle valve of reciprocating internal combustion engine |
| 12/05/2000 | US6155228 Multicylinder four-stroke internal combustion engine |
| 12/05/2000 | US6155222 Overhead valve engine |
| 12/05/2000 | US6155221 Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine |
| 12/05/2000 | US6155220 Piezoelectric differential cam phaser |
| 12/05/2000 | US6155219 Valve timing adjusting apparatus for internal combustion engine |
| 12/05/2000 | US6155218 Cam advancing and retarding mechanism |
| 12/05/2000 | US6155216 Variable valve apparatus |
| 12/05/2000 | US6155108 Valve seat insert gaging system |
| 11/30/2000 | WO2000071860A1 Internal combustion engine |
| 11/30/2000 | WO2000071859A1 Valve device of engine |