| Patents for F01L 1 - Valve-gear or valve arrangements, e.g. lift-valve gear (30,520) |
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| 04/13/2004 | US6718940 Hydraulic lash adjuster with compression release brake |
| 04/13/2004 | US6718937 System and method for performing partial cylinder cut-off of internal combustion engine |
| 04/13/2004 | US6718929 Starting method for internal combustion engine and starting device for the same |
| 04/13/2004 | US6718924 Design and assembly method of a low cost camshaft |
| 04/13/2004 | US6718923 Hydraulic play compensation element for a valve gear of an internal combustion engine |
| 04/13/2004 | US6718922 Cam phase control apparatus and method, and engine control unit for internal combustion engine |
| 04/13/2004 | US6718921 Method and apparatus for cleaning an oil control valve for an internal combustion engine |
| 04/13/2004 | US6718920 Camshaft rotational phase detecting apparatus and cylinder intake air quantity calculating apparatus for engine |
| 04/13/2004 | US6718846 Apparatus for aligning a bearing member with an actuator |
| 04/13/2004 | US6718755 Method to increase temperature in an exhaust aftertreatment device coupled to a camless engine |
| 04/08/2004 | WO2004029422A1 Automobile engine valve mechanism system shim and lifter, and combination of these and cam shaft |
| 04/08/2004 | WO2004029421A1 Method for producing a device for converting a rotatory motion into a translatory motion, and a corresponding device produced according thereto |
| 04/08/2004 | US20040065308 Internal combustion engine and working cycle |
| 04/08/2004 | US20040065295 Air fuel injection engine |
| 04/08/2004 | US20040065283 Engine valve actuator |
| 04/08/2004 | US20040065282 Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased valve lifter |
| 04/08/2004 | US20040065279 Spark-ignition engine controller |
| 04/08/2004 | US20040065278 Control device for spark-ignition engine |
| 04/08/2004 | DE19880979B4 Housing for valve cup lifter of internal combustion engine |
| 04/08/2004 | DE19612969B4 Verfahren zur Herstellung eines Kipp- oder Schlepphebels eines Ventiltriebs einer Brennkraftmaschine A process for producing a rocker or drag lever of a valve drive of an internal combustion engine |
| 04/08/2004 | DE10245301A1 Schaltelement für einen Ventiltrieb einer Brennkraftmaschine Switching element for a valve drive of an internal combustion engine |
| 04/08/2004 | DE10244541A1 Verfahren zur Durchführung einer Regelung der Position von Nockenwellenstellern A method for performing control of the position of the camshaft adjusters |
| 04/08/2004 | DE10244540A1 Regulating position of hydraulic camshaft adjuster for internal combustion engine involves determining control parameters for PID regulator depending on hydraulic liquid state parameter(s) |
| 04/08/2004 | DE10244151A1 Beschichtete hohle Nockenwelle Coated hollow camshaft |
| 04/07/2004 | EP1406002A1 Spark-ignition engine controller |
| 04/07/2004 | EP1088154B1 Device for adjusting the relative angle of a cam shaft |
| 04/07/2004 | CN1488034A Fuelinjection nozzle of engine |
| 04/07/2004 | CN1488033A Valve gear control device of internal combustion engine |
| 04/06/2004 | US6715465 Internal combustion engine with valve control |
| 04/06/2004 | US6715456 Variable valve control comprising a sliding-block part and a free travel |
| 04/06/2004 | US6715453 Method and apparatus for preventing locking of engine-operating-characteristic changing device |
| 04/01/2004 | WO2004027224A1 Deactivation and tow-step roller finger follower having a bracket and lost motion spring |
| 04/01/2004 | WO2004027223A1 Phase displacement device |
| 04/01/2004 | WO2004027222A1 Control device and method for adjusting the angular velocity ratio between a camshaft and a crankshaft |
| 04/01/2004 | DE4307562B4 Verfahren zur Herstellung auf einer Steuerwelle durch thermisches Schrumpfen positionierbaren Sinter-Steuernockens Process for the preparation of a control shaft positioned by thermal shrinkage sintering control cam |
| 03/31/2004 | EP1403513A1 Engine rotation angle detection device arrangement configuration |
| 03/31/2004 | EP1403497A1 Camshaft bearing structure for over-head camshaft type internal combustion engine |
| 03/31/2004 | EP1403474A1 Valve driving device for an engine, an engine equipped therewith and camshaft therefor |
| 03/31/2004 | EP1403471A2 Variable valve timing system for an internal combustion engine |
| 03/31/2004 | EP1403470A1 Electromagnetic brake cooling structure of phase variable device in car engine |
| 03/31/2004 | EP0961870B1 Multi-cylinder diesel engine with variable valve actuation |
| 03/31/2004 | CN2608690Y Double camshaft engine |
| 03/31/2004 | CN1486396A Spontaneous intake type internal combustion engine for vehicles |
| 03/30/2004 | US6712039 Internal combustion engines |
| 03/30/2004 | US6712031 Support device for rocker arm |
| 03/25/2004 | WO2004025109A1 System and method for internal exhaust gas recirculation |
| 03/25/2004 | US20040055552 Thermal compensating desmodromic valve actuation system |
| 03/25/2004 | US20040055551 Oil pressure control apparatus for an internal combustion engine |
| 03/25/2004 | US20040055550 Spool valve controlled VCT locking pin release mechanism |
| 03/25/2004 | US20040055549 Variable valve timing system for an internal combustion engine |
| 03/25/2004 | US20040055548 Variable duration valve timing camshaft |
| 03/25/2004 | DE4210567B4 Variabler Ventiltrieb für ein Hubventil einer Maschine Variable valve train for a lift valve of an engine |
| 03/25/2004 | DE10243004A1 Verfahren zur Korrektur des Messfehlers eines Gebers A method of correcting the measurement error of an encoder |
| 03/25/2004 | DE10242235A1 Camshaft with variable valve control for IC engine has an additional cam profile controlled by a servo drive with infinite adjustment |
| 03/25/2004 | DE10237560A1 Play-free valve drive for an internal combustion engine comprises a compensation element integrated in the roller tappet consisting of a roller bolt formed by a rotatably mounted |
| 03/24/2004 | EP1400785A2 Method for correcting the measurement error of a sensor |
| 03/24/2004 | EP1400668A2 Camshaft drive mechanism configuration for an engine with a double line of cylinders |
| 03/24/2004 | EP1400661A1 Spool valve controlled VCT locking pin release mechanism |
| 03/24/2004 | EP1400660A1 Sintered integrated sprocket and housing with nitride coating and manufacturing method thereof |
| 03/24/2004 | EP1400606A1 Method of carburizing a bearing steel to produce a roller member |
| 03/24/2004 | EP1399648A1 Valve timing mechanism for a rotary valve internal combustion engine |
| 03/23/2004 | US6708660 Finger lever of a valve train of an internal combustion engine |
| 03/23/2004 | US6708659 Four cycle engine for marine drive |
| 03/23/2004 | US6708658 Internal combustion engine |
| 03/23/2004 | US6708657 Apparatus and method for controlling variable valve timing mechanism |
| 03/23/2004 | US6708656 Engine valve actuator |
| 03/23/2004 | US6708652 Engine valve timing apparatus |
| 03/18/2004 | WO2004022985A1 Sealing element and pivoting motor |
| 03/18/2004 | WO2004022945A1 Reciprocating piston engine and piston therefor |
| 03/18/2004 | WO2003076796A3 Rotating roller as a valve in the head of internal combustion engine |
| 03/18/2004 | US20040050361 Internal combustion engine having three valves per cylinder |
| 03/18/2004 | US20040050354 Valve mechanism comprising a variable cross-section of a valve opening |
| 03/18/2004 | US20040050353 Variable duration camshaft |
| 03/18/2004 | US20040050352 Variable valve train for a cam-activated lifting valve of an internal combustion engine |
| 03/18/2004 | US20040050351 Hydraulic valve lifter with operating control system |
| 03/18/2004 | DE10315317A1 Phase adjustment device for adjusting a phase between a camshaft and a crankshaft has a sensor device to measure rotations per minute/engine speed or position of components |
| 03/18/2004 | DE10243388A1 IC engine with pneumatic valve springs has an insert plate in the bottom of the pneumatic cylinder with an integral valve connected to the pneumatic inlet duct and to an oil drainage duct |
| 03/18/2004 | DE10242758A1 Valve gear for internal combustion engine has device for independent operation of one exhaust valve, and independently operable exhaust valve is disconnectable from common drive which consists of forked rocking lever or drag lever |
| 03/18/2004 | DE10242659A1 Control system adjusting angular velocity ratio between engine cam- and crank shafts, includes controller operating drive unit and brake for cam shaft |
| 03/18/2004 | DE10242596A1 Coupling gear for transmission of rotation of first shaft onto second shaft has first and second shafts co-axially disposed in relation to one another, with first and second coupling wheels having different effective diameters |
| 03/18/2004 | DE10241920A1 Valve control system for IC engine has at least two cams per cylinder on a camshaft with axial adjustment and with one cam with a circular outer profile to switch off the valve action |
| 03/17/2004 | EP1398466A1 Differential pressure control apparatus for camshaft phaser with locking pin |
| 03/17/2004 | EP1397581A1 Hydraulic play compensation element for a valve gear of an internal combustion engine |
| 03/16/2004 | US6705269 Four-cycle engine |
| 03/16/2004 | US6705265 Four-stroke internal combustion engine with valve resting mechanism |
| 03/16/2004 | US6705264 Valve control for outboard motor engine |
| 03/16/2004 | US6705262 Valve mechanism, in particular for internal combustion engines of motor vehicles |
| 03/16/2004 | US6705260 Reed valve VCT phaser with worm trails |
| 03/16/2004 | US6705259 3-step cam-profile-switching roller finger follower |
| 03/16/2004 | US6705258 Valve system for variable displacement diesel engine |
| 03/16/2004 | US6705257 Apparatus and method for controlling variable valve in internal combustion engine |
| 03/16/2004 | US6705256 Valve timing control system for internal combustion engine |
| 03/11/2004 | WO2004020804A1 Bottom ends for engines with more than one cylinder bank |
| 03/11/2004 | WO2004020796A1 Electromagnetic hydraulic valve, in particular proportional valve for controlling a device for adjusting the rotational angle of a camshaft in an internal combustion engine |
| 03/11/2004 | WO2004020795A1 Control device for adjusting the angle of rotation of a camshaft |
| 03/11/2004 | WO2004020794A1 Control device for adjusting the angle of rotation of a camshaft |
| 03/11/2004 | US20040045518 Rocker arm |
| 03/11/2004 | DE10251347A1 Regulation structure for electric setting motor of electrically-driven camshaft adjuster for IC engine, has regulated required setting revs signal combined with unregulated revs signal |
| 03/11/2004 | DE10239750A1 Intake device for hydraulic pref. variable valve drive of IC engines has intake piston projecting with one end rod-like from housing, and play compensation element fastened to rod part via pressure piston |
| 03/11/2004 | DE10239207A1 Elektromagnetisches Hydraulikventil, insbesondere Proportionalventil zur Steuerung einer Vorrichtung zur Drehwinkelverstellung einer Nockenwelle gegenüber einer Kurbelwelle einer Brennkraftmaschine Electromagnetic hydraulic valve, in particular proportional valve, for controlling a device for rotational angle adjustment of a camshaft relative to a crankshaft of an internal combustion engine |