| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 05/27/2004 | US20040099231 Engine with variable valve mechanism |
| 05/27/2004 | US20040099230 Method and apparatus for automatically setting rocker arm clearances in an internal combustion engine |
| 05/27/2004 | US20040099228 Internal combustion engine machine incorporating significant improvements in power, efficiency and emissions control |
| 05/27/2004 | DE4433278B4 Schmierung des Ventiltriebes Lubrication of the valve train |
| 05/27/2004 | DE10329586A1 Kurbelwinkeldetektoreinrichtung für Brennkraftmaschinen Crank angle detecting means for internal combustion engines |
| 05/27/2004 | DE10306794A1 Strategie und Steuersystem zum Abschalten und Zuschalten von Zylindern eines Motors mit veränderlichem Hubraum Strategy and control system for shutting down and connecting cylinders of an engine with variable displacement |
| 05/27/2004 | DE10253883A1 Adjusting device for camshaft of vehicle, working with hydraulically operated locking element |
| 05/27/2004 | DE10252997A1 Electrical actuator system for inlet and exhaust valves for internal combustion engine may control lift of four valves using two reciprocating actuator motors rotating cams engaging valves |
| 05/27/2004 | DE10252991A1 Tilting actuator system for inlet or exhaust valve in internal combustion engine has oscillating motor turning shaft with high-lift and low-lift cams engaging adjustable rocker pressing on valve stem |
| 05/27/2004 | DE10250995A1 Device for expanded gas outlet for piston internal combustion engine supports operation of conventional exhaust device, has e.g. automatic pressure valve and exhaust opening in cylinder side wall |
| 05/26/2004 | EP1422387A1 Engine variable valve timing system |
| 05/26/2004 | EP1422386A1 A flexible control device for time-section factor |
| 05/26/2004 | EP1421591A1 Electromagnetic regulating device |
| 05/26/2004 | EP1421262A1 Valve mechanism comprising a variable cross-section of a valve opening |
| 05/26/2004 | EP1421261A1 Valve mechanism with a variable valve opening cross-section |
| 05/26/2004 | EP1421260A1 Valve mechanism with a variable valve opening diameter |
| 05/26/2004 | CN1499069A Exhaust gas reflux appts. for I.C. engine |
| 05/25/2004 | US6739298 Valve timing adjusting apparatus |
| 05/25/2004 | US6739297 Actuating device for securing a camshaft of an engine of a motor vehicle in a start position |
| 05/25/2004 | US6739296 Apparatus and method for controlling variable valve operating mechanism |
| 05/25/2004 | US6739292 Two-stroke internal combustion engine with air injection system |
| 05/21/2004 | WO2004042318A1 Device for measuring the lift of poppet valves |
| 05/21/2004 | WO2004042215A1 Apparatus for an internal combustion engine |
| 05/20/2004 | US20040094117 Valve system for internal combustion engine |
| 05/20/2004 | US20040094109 Variable valve control apparatus and method in internal combustion engine |
| 05/20/2004 | US20040094108 Valve mechanism, in particular for internal combustion engines of motor vehicles |
| 05/20/2004 | US20040094107 Variable valve mechanism and intake air amount control apparatus of internal combustion engine |
| 05/20/2004 | US20040094106 Engine variable valve timing system |
| 05/20/2004 | US20040094105 Method for simultantaneously moving cam shafts of various cylinder banks pertaining to an internal combustion engine |
| 05/20/2004 | US20040094103 Radial valve gear apparatus for barrel engine |
| 05/19/2004 | EP1420147A1 Workpiece comprising interconnected lamination stacks |
| 05/19/2004 | DE20314366U1 Cylinder head for internal combustion engine, e.g. three-cylinder diesel engine, has top deck and multiple integrally cast rocker shaft pedestals having opposing side walls to correctly space adjacent rocker arms on each side of pedestal |
| 05/19/2004 | DE10351007A1 Steuerungsvorrichtung und Steuerungsverfahren für einen variablen Ventileinstellungsmechanismus Control apparatus and control method for a variable valve timing mechanism |
| 05/19/2004 | DE10251664A1 Valve stroke measurement device, especially for a combustion engine, has an inductive path sensor with a flush magnetic metallic housing integrated in the valve shaft with a degree of axial play so that a fixed coil detects it |
| 05/19/2004 | DE10251533A1 Camshaft adjustment system to adjust camshaft speed relative to the wheel driving it employs fixed position d.c. motor as regulating unit |
| 05/19/2004 | DE10251043A1 Device for operating gas changeover valve for use with four stroke engines has valves operated by individual electric motor operated cams |
| 05/19/2004 | DE10250303A1 Zylinderkopf einer Brennkraftmaschine mit Nockenwellenlagerleiste Cylinder head of an internal combustion engine with camshaft bearing bar |
| 05/19/2004 | CN2616688Y General petrol engine push-rod limiting board combination apparatus |
| 05/19/2004 | CN2616687Y Variable ridigity low-impact engine distributing valve topper column |
| 05/19/2004 | CN1497194A Rolling bearing filled with balls and ball cam follower for engine |
| 05/19/2004 | CN1497147A Sliding structure for vehicle engine |
| 05/19/2004 | CN1497146A Structure for preventing out-of cam chain of internal-conbustion engine |
| 05/19/2004 | CN1497136A Integral sprocket and case and manufacturing method thereof |
| 05/19/2004 | CN1497135A Variable camshaft timing mechanism with locking pin |
| 05/18/2004 | US6738706 Method for estimating engine parameters |
| 05/18/2004 | US6736106 Engine valve actuation for combustion enhancement |
| 05/18/2004 | US6736101 Low friction sliding element for a reciprocating engine |
| 05/18/2004 | US6736097 Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
| 05/18/2004 | US6736094 VCT solenoid dither frequency control |
| 05/18/2004 | US6736090 Valve device of engine |
| 05/15/2004 | CA2449630A1 Knocking avoidance control system of a four-stroke engine for an outboard motor |
| 05/13/2004 | WO2004040115A1 Cylinder head of an internal combustion engine having a camshaft bearing rail |
| 05/13/2004 | US20040089278 Method for controlling the charging pressure at a turbocharged combustion engine, and a corresponding combustion engine |
| 05/13/2004 | US20040089256 Rocker arm |
| 05/13/2004 | US20040089255 Thrust cam cap for engine camshaft |
| 05/13/2004 | US20040089254 Cam contacting devices |
| 05/13/2004 | DE10348367A1 Kompakte zweistufige Kipphebelanordnung Compact two-stage rocker arm assembly |
| 05/13/2004 | DE10346530A1 Ventilbetätigungszeitpunkt-Einstelleinrichtung Valve timing-setting means |
| 05/13/2004 | DE10249761A1 Nockenfolger eines Ventiltriebs einer Brennkraftmaschine Cam follower of a valve train of an internal combustion engine |
| 05/13/2004 | DE10249452A1 Ventil Valve |
| 05/12/2004 | EP1418314A2 Exhaust gas reflux apparatus for internal combustion engine |
| 05/12/2004 | EP1418313A1 Rocker arm |
| 05/12/2004 | EP1417399A1 Adjustable valve control system with twin cams and a cam lift summation lever |
| 05/12/2004 | EP1417398A1 Rotary actuator device for controlling the stroke of a gas-shuttle poppet valve in the cylinder head of an internal combustion engine |
| 05/12/2004 | EP1005617A4 Method for chain meshing phasing on a v-engine camshaft drive to reduce noise |
| 05/12/2004 | CN1495347A Variable valve operation system capable of make working angle and phase produce change for engine |
| 05/12/2004 | CN1495346A Hydraulic buffer for variabe valve timing mechanism |
| 05/12/2004 | CN1495345A Hydraulic location of variable camshaft timing device |
| 05/12/2004 | CN1495344A Exhaust mechanism for variable camshaft timing device |
| 05/12/2004 | CN1495343A Lever-shaped metal sheet cam component |
| 05/12/2004 | CN1495342A OHC overhead camshaft internal combustion enjine |
| 05/11/2004 | US6732710 Internal-combustion engine with two inlet valves for each cylinder and an electronically controlled system for actuating the inlet valves in differentiated and alternating ways |
| 05/11/2004 | US6732693 Valve-operating assembly of driven rotation member and cam |
| 05/11/2004 | US6732692 Device and method for providing tappet alignment |
| 05/11/2004 | US6732691 Engine phaser control system using phaser instability measurement |
| 05/11/2004 | US6732690 Camshaft phaser having an external bias spring |
| 05/11/2004 | US6732689 Valve timing control apparatus for internal combustion engine |
| 05/11/2004 | US6732688 Valve timing control system for internal combustion engine |
| 05/11/2004 | US6732687 Lash adjuster with locking balls deactivation |
| 05/11/2004 | US6732686 Valve opening mechanism |
| 05/11/2004 | US6732682 Control system and method for an internal combustion engine |
| 05/06/2004 | WO2004038200A1 Variable valve timing control device of internal combustion engine |
| 05/06/2004 | WO2004038187A1 Hydraulically actuated and damped exhaust valve |
| 05/06/2004 | WO2004038186A1 Drag lever of a valve mechanism in an internal combustion engine |
| 05/06/2004 | WO2004038185A1 Cam follower for a valve gear in an internal combustion engine |
| 05/06/2004 | WO2004038184A1 Cam follower of a valve gear for a motor vehicle |
| 05/06/2004 | US20040087399 Hydraulic tensioner |
| 05/06/2004 | US20040084000 Valve timing adjustment device |
| 05/06/2004 | US20040083999 Control apparatus of variable valve timing mechanism and method thereof |
| 05/06/2004 | US20040083998 VCT phaser having an electromagnetic lock system for shift and lock operation |
| 05/06/2004 | US20040083997 Actuator having drive cam and valve lift controller using the actuator |
| 05/06/2004 | US20040083800 Crank angle detecting device for an internal combustion engine |
| 05/06/2004 | US20040083794 Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging |
| 05/06/2004 | EP1416128A1 System for delaying the intake valve closing time in an engine |
| 05/06/2004 | EP1416126A1 VCT phaser having an electromagnetic lock system for shift and lock operation |
| 05/06/2004 | EP1416125A2 Hydraulic tensioner |
| 05/06/2004 | EP1415069A1 Device for transforming a rotational movement into a backwards and forward movement |
| 05/06/2004 | DE4141265B4 Rädertrieb Gear drive |
| 05/06/2004 | DE19961064B4 Vorrichtung und Verfahren zum Detektieren von Fehlerzuständen für einen Verbrennungsmotor Apparatus and method for detecting fault conditions for a combustion engine |
| 05/06/2004 | DE19938550B4 Sperrklinken-Spannvorrichtung Ratchet tensioning device |