| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 01/13/2005 | US20050005893 Power transmission system cover for engine |
| 01/13/2005 | US20050005887 Valve timing control system |
| 01/13/2005 | US20050005886 Method for reducing VCT low speed closed loop excessive response time |
| 01/13/2005 | US20050005885 Valve mechanism, in particular for internal combustion engines of motor vehicles |
| 01/13/2005 | US20050005884 Switching element for a valve drive of an internal combustion engine |
| 01/13/2005 | US20050005883 System and method for improving VCT closed-loop response at low cam torque frequency |
| 01/13/2005 | US20050005882 Device for hydraulic valve lift switching |
| 01/13/2005 | DE19629313B4 Ventiltrieb einer Brennkraftmaschine Valve train of an internal combustion engine |
| 01/13/2005 | DE102004028033A1 Rocker shaft for supporting rocker arm of engine for vehicle, has bolt hole formed so as to be orthogonal to centerline of axial main body, and bush fitted into bolt hole so that oil paths may not connect by bolt hole |
| 01/13/2005 | DE102004026821A1 Ventilbetätigungsvorrichtung für Verbrennungsmotoren The valve operating device for internal combustion engines |
| 01/13/2005 | DE102004026784A1 Steuereinrichtung und Steuerungsprogrammprodukt für einen Motor Controller and control program product for an engine |
| 01/13/2005 | DE102004018842A1 Variable Ventilbetätigungssteuerung für den Betrieb in der Höhe Variable valve actuation control system for operation in the height |
| 01/13/2005 | CA2496667A1 Wear-resistant slide member and slide device using the same |
| 01/12/2005 | EP1496210A2 Outboard motor |
| 01/12/2005 | EP1379759A4 Desmodromic valve actuation system |
| 01/12/2005 | EP1221009A4 A guide plate for a poppet valve |
| 01/12/2005 | CN2670613Y Air compressor |
| 01/12/2005 | CN1564909A Method of controlling internal combustion engine |
| 01/12/2005 | CN1564905A Rocker arm |
| 01/12/2005 | CN1563685A Reciprocating I.C. engine using ash fuel |
| 01/12/2005 | CN1563679A Hydraulic driven gapless air valve |
| 01/12/2005 | CN1563678A Phasing device for distributing cam of motorcycle engine |
| 01/12/2005 | CN1184411C Cam chain lifting device of internal-combustion engine |
| 01/11/2005 | US6842691 Cam synchronization algorithm for engine with variable cam timing |
| 01/11/2005 | US6840235 Internal exhaust gas recirculation amount estimation system of internal combustion engines |
| 01/11/2005 | US6840202 Method to reduce noise of a cam phaser by controlling the position of center mounted spool valve |
| 01/11/2005 | US6840201 Variable valve timing control apparatus and method for an internal combustion engine |
| 01/11/2005 | CA2352724C Valve-operating device with breather system in engine |
| 01/06/2005 | US20050002833 Filtration media |
| 01/06/2005 | US20050000499 System and method for modifying engine valve lift |
| 01/06/2005 | US20050000498 Apparatus for an internal combustion engine |
| 01/06/2005 | US20050000480 Control system for internal combustion engine |
| 01/06/2005 | US20050000479 Control apparatus for hybrid vehicle |
| 01/06/2005 | US20050000476 System and method for improving performance of hydraulic actuating system |
| 01/06/2005 | US20050000314 Roller follower body |
| 01/05/2005 | EP1493945A1 Device for converting an angular motion into a rectilinear motion |
| 01/05/2005 | EP1493908A2 Control system for internal combustion engine |
| 01/05/2005 | EP1493906A2 Valve strategy for operating a controlled auto-ignition four-stroke internal combustion engine |
| 01/05/2005 | EP1493902A1 Device for switching off a valve |
| 01/05/2005 | EP1492946A2 Compact lost motion system for variable valve actuation |
| 01/05/2005 | EP1492943A1 Device for modifying the timing of gas exchange valves of an internal combustion engine, in particular a device for hydraulically adjusting the rotational angle of a camshaft in relation to a crankshaft |
| 01/05/2005 | EP1492942A1 Electromagnetic hydraulic valve, in particular proportional valve for controlling a device for adjusting the rotational angle of a camshaft in an internal combustion engine, and method for the production thereof |
| 01/05/2005 | EP1399648A4 Valve timing mechanism for a rotary valve internal combustion engine |
| 01/05/2005 | DE10331631B3 Component used in a camshaft adjusting device comprises functional part of sintered aluminum and power transmission part of sintered steel |
| 01/05/2005 | DE10311493B4 Zweitakt-Dieselmotor Two-stroke diesel engine |
| 01/05/2005 | DE102004026157A1 Ventilzeitsteuerungs-Steuer-/Regelsystem und Steuer-/Regelsystem für einen Verbrennungsmotor Valve timing control / control system and control / control system for an internal combustion engine |
| 01/05/2005 | CN1560453A Arm swinging for combuston engine of changable valve stopping and output volume |
| 01/05/2005 | CN1560450A Multi-impect piston tow-stroke internal-combustion engine |
| 01/05/2005 | CN1560438A Motor valve rocker arm combination |
| 01/05/2005 | CN1183319C Device and method for timing control of air-intaking of internal combustion engine |
| 01/05/2005 | CN1183314C IC engine and its conveying device and manufacturing method of the device |
| 01/04/2005 | US6837475 Valve-operating device for engine |
| 01/04/2005 | US6837200 Valve timing control system for internal combustion engine |
| 01/04/2005 | US6837199 Valve actuating apparatus for internal combustion engine |
| 01/04/2005 | US6837197 Dual valve lift and valve deactivation |
| 01/04/2005 | US6837040 In-cylinder injection type spark-ignition internal combustion engine and control method thereof |
| 12/30/2004 | US20040267431 Variable valve actuation control for operation at altitude |
| 12/30/2004 | US20040266573 Tensioner |
| 12/30/2004 | US20040261747 Semi-rotating valve assembly for use with an internal combustion engine |
| 12/30/2004 | US20040261744 Decompression device for internal combustion engine |
| 12/30/2004 | US20040261740 Flexible control device for time-section factor |
| 12/30/2004 | US20040261739 Rocker arm |
| 12/30/2004 | US20040261737 Variable valve actuation mechanism having an integrated rocker arm, input cam follower and output cam body |
| 12/30/2004 | US20040261735 Sensor arrangement for recording the movement of an armature with suppression of interfering voltages |
| 12/30/2004 | US20040261734 Method of producing a powerful and efficient internal combustion four stroke engine using a blower and a single valve cylinder |
| 12/30/2004 | DE4433286B4 Lagerung einer Nockenwelle Supporting a camshaft |
| 12/30/2004 | DE10326886A1 Nockenwellensteller für eine Brennkraftmaschine Camshaft adjuster for an internal combustion engine |
| 12/30/2004 | DE10326002A1 Automotive engine spur pinion output gear has first gear engaging a first second gear via an intermediate crown gear |
| 12/29/2004 | WO2004113688A2 Internal combustion engine |
| 12/29/2004 | EP1491795A1 Tensioner |
| 12/29/2004 | EP1491793A2 Balancing arrangement for the inertial forces of an internal combustion engine |
| 12/29/2004 | EP1491729A1 Variable camshaft timing for internal combustion engine with actuator locking |
| 12/29/2004 | EP1491728A2 Variable valve timing control device |
| 12/29/2004 | EP1491727A2 Variable valve timing control device |
| 12/29/2004 | EP1490585A1 Rocker arm shaft for an automobile engine |
| 12/29/2004 | EP1490584A2 Device for the variable control of gas exchange valves in an internal combustion engine |
| 12/28/2004 | US6834629 Three dimensional cam, grinding method and grinding apparatus |
| 12/28/2004 | US6834628 Mechanical valve play compensation element for a valve drive on a piston combustion engine |
| 12/23/2004 | WO2004111396A1 Camshaft adjuster for an internal combustion engine |
| 12/23/2004 | US20040256518 Core chuck |
| 12/23/2004 | US20040255894 Priority oil system |
| 12/23/2004 | US20040255887 Valve train for internal combustion engine |
| 12/23/2004 | US20040255886 Method, control unit and program code for a control unit for controlling a camshaft control device |
| 12/23/2004 | US20040255885 Camshaft arrangements for engines |
| 12/23/2004 | US20040255875 System and method for adding air to an explosion chamber in an engine cylinder |
| 12/23/2004 | US20040255717 Cam follower with sheet-metal rocker arm |
| 12/23/2004 | DE19944013B4 Viertaktmotor Four-stroke engine |
| 12/23/2004 | DE10325352A1 Rotary position adjustment device for relative rotary position between a crankshaft and a camshaft uses a coupled gear to swivel a coupling link with an adjusting motor |
| 12/23/2004 | DE10324007A1 Four-stroke combustion piston engine comprises a cylinder chamber subdivided into a top cylinder chamber and a combustion chamber, and a piston having an inlet valve allowing gas transfer |
| 12/23/2004 | DE10323877A1 Arrangement for hydraulic valve lift changeover has oil pressure measurement device, arrangement for detecting time between driving switching valve and characteristic change in oil pressure |
| 12/23/2004 | DE10323718A1 Process to manufacture automotive camshaft in which each cam is accorded a slit that is expanded and filled by weld metal |
| 12/23/2004 | DE10322250A1 Automotive camshaft has two or more thickened zones with dry non-lubricated slip bearings |
| 12/23/2004 | DE10320927A1 Hydraulischer Tassenstößel Hydraulic tappets |
| 12/23/2004 | DE10003056B4 Steuersystem für eine Brennkraftmaschine A control system for an internal combustion engine |
| 12/22/2004 | EP1489336A2 Method of using compression springs to create a desired torsional load |
| 12/22/2004 | EP1489284A1 V-engine for vehicle |
| 12/22/2004 | EP1489271A1 Valve driving system for internal combustion engine with different cam profiles |
| 12/22/2004 | CN1556312A Internal combustion engine homogeneous pressure combustion system capable of directly controlling igniting time |
| 12/21/2004 | US6832587 Plastic valve cover with integrated metal |
| 12/21/2004 | US6832586 Variable duration camshaft |