| Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664) |
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| 06/24/2004 | DE10257705A1 Valve lever for valve train of internal combustion engine has outer lever enclosing inner lever with arms and swiveled away from it when decoupled |
| 06/24/2004 | DE10230108B4 Vorrichtung zum Verstellen des Hubs eines von einer Nockenwelle betätigten Ventils Device for adjusting the stroke of a valve actuated by a camshaft |
| 06/23/2004 | EP1431548A2 Intake control apparatus for internal combustion engine |
| 06/23/2004 | EP1431525A1 Control device for valves in a combustion engine |
| 06/22/2004 | US6752121 Cylinder deactivation system timing control synchronization |
| 06/22/2004 | US6752108 Four-cycle engine for marine drive |
| 06/22/2004 | US6752107 Apparatus for switching the operation of a change valve of a combustion engine |
| 06/17/2004 | US20040112445 Switchable fluid control valve system |
| 06/17/2004 | US20040112331 Intake control apparatus for internal combustion engine |
| 06/17/2004 | US20040112330 Method and arrangement for affecting engine braking |
| 06/17/2004 | US20040112326 Device for controlling cylinder disconnection in an internal combustion engine |
| 06/17/2004 | US20040112321 Vacuum release mechanism |
| 06/17/2004 | US20040112315 Deactivation roller hydraulic valve lifter |
| 06/17/2004 | US20040112313 Valve driving device for an engine |
| 06/17/2004 | DE10355303A1 Two-cylinder air intake detection device for detecting amounts of air sucked in for an internal combustion engine has an air flow measuring device, pressure sensors and a learning unit |
| 06/17/2004 | DE10351940A1 Engine valve actuation system for internal combustion engine, has fluid check valve disposed between fluid source and directional control valve to allow fluid flow to travel from fluid source to directional control valve |
| 06/17/2004 | DE10256592A1 Controlling combustion air feed to cylinder of internal combustion piston engine involves controlling inlet valve closing time point depending on current load acting on engine by varying inlet cam |
| 06/16/2004 | EP1429035A2 Switchable fluid control valve system |
| 06/16/2004 | EP1428991A1 Method for variable valve actuation with 3 different cams |
| 06/16/2004 | EP1428989A1 3-Step cam profile switching roller finger follower |
| 06/16/2004 | EP1427918A1 Valve mechanism for an internal combustion engine |
| 06/16/2004 | EP1136685B1 Apparatus for and method of controlling an internal combustion engine |
| 06/16/2004 | CN1505729A Desmodromic valve actuation system |
| 06/15/2004 | US6748914 Refillable metering valve for hydraulic valve lifters |
| 06/15/2004 | US6748911 Valve timing control for marine engine |
| 06/10/2004 | US20040107929 Variable valve control apparatus for internal combustion engine and method thereof |
| 06/10/2004 | US20040107928 Valve-driving system of internal combustion engine and valve-driving apparatus |
| 06/10/2004 | US20040107927 Method for 3-step variable valve actuation |
| 06/09/2004 | EP1426599A1 Trouble detector of vehicle having deceleration idling-cylinder engine |
| 06/09/2004 | EP1426590A1 MOTOR CONTROLLER OF DECELERATION IDLING−CYLINDER ENGINE VEHICLE |
| 06/09/2004 | EP1426570A2 Low friction variable valve actuation device |
| 06/09/2004 | EP1426569A1 Engine with variable valve mechanism |
| 06/09/2004 | EP1426568A1 Electric valve-driving system and -apparatus of internal combustion engine |
| 06/09/2004 | EP1426567A1 Electric valve-driving system of internal combustion engine |
| 06/08/2004 | US6745736 Valve control mechanism |
| 06/08/2004 | US6745734 Variable valve actuating mechanism having torsional lash control spring |
| 06/08/2004 | US6745733 Actuating system for mode-switching rocker arm device |
| 06/03/2004 | WO2004046512A1 Engine with variable lift valve mechanism |
| 06/03/2004 | US20040103887 Variable valve control apparatus for internal combustion engine and method thereof |
| 06/03/2004 | US20040103878 Rotary valve for controlling a fuel injector and engine compression release brake actuator and engine using same |
| 06/03/2004 | US20040103869 Lock-pin cartridge for a valve deactivation rocker arm assembly |
| 06/03/2004 | US20040103866 Linear control valve for controlling a fuel injector and engine compression release brake actuator and engine using same |
| 06/03/2004 | US20040103865 Fully variable mechanical valve gear for a piston-type internal combustion engine |
| 06/03/2004 | DE19922600B4 Brennkraftmaschine mit variabler Nockenwellen-Synchronisation und mit einer Auslaßphase variabler Dauer Internal combustion engine with variable valve synchronization and exhaust phase with a variable duration |
| 06/03/2004 | DE19824235B4 Steuerverfahren für Verbrennungsmotor Control method for internal combustion engine |
| 06/03/2004 | DE10352760A1 Variable Ventilsteuervorrichtung und Verfahren bei einem Motor mit Innenverbrennung Variable valve control device and method in a motor with an internal combustion |
| 06/03/2004 | DE10260986A1 Single cam valve control system for use in internal combustion engine and other applications has rocker with roller following cam and two arms simultaneously opening two valves |
| 06/03/2004 | DE10061618B4 Einrichtung zur variablen Betätigung von Ventilen mittels Nocken für Verbrennungsmotoren Device for variable actuation of valves by means of cams for internal combustion engines |
| 06/02/2004 | EP1424474A1 Method of controlling internal combustion engine |
| 06/02/2004 | EP1423591A1 System and method for vehicle engine cranking |
| 06/02/2004 | EP1423589A1 A method of torque modulation |
| 06/01/2004 | US6742483 Assisting device and method for variable valve mechanism |
| 05/27/2004 | WO2004044392A1 Pivoting actuator system for controlling the stroke of a gas exchange valve in the cylinder head of an internal combustion engine |
| 05/27/2004 | US20040099244 Valve actuating apparatus for internal combustion engine |
| 05/27/2004 | US20040099231 Engine with variable valve mechanism |
| 05/27/2004 | DE19702389B4 Ventiltrieb für eine Brennkraftmaschine Valve train for an internal combustion engine |
| 05/27/2004 | DE10350015A1 System zur Betätigung eines Motorventils System for operating a motor valve |
| 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 |
| 05/26/2004 | EP1422388A2 Variable valve drive for an internal combustion engine |
| 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 | US6741924 Apparatus and method for engine cylinder intake air quantity calculation |
| 05/25/2004 | US6739296 Apparatus and method for controlling variable valve operating mechanism |
| 05/21/2004 | WO2004042215A1 Apparatus for an internal combustion engine |
| 05/20/2004 | US20040094117 Valve system for internal combustion engine |
| 05/20/2004 | US20040094110 Automatic decopmression device for valve-controlled internal combustion engines |
| 05/20/2004 | US20040094109 Variable valve control apparatus and method in internal combustion engine |
| 05/20/2004 | US20040094107 Variable valve mechanism and intake air amount control apparatus of internal combustion engine |
| 05/19/2004 | DE10350022A1 Motorbremssystem Engine braking system |
| 05/19/2004 | DE10250303A1 Zylinderkopf einer Brennkraftmaschine mit Nockenwellenlagerleiste Cylinder head of an internal combustion engine with camshaft bearing bar |
| 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 | US6736096 Method and apparatus for setting valve lift within a cylinder |
| 05/18/2004 | US6736095 Extended duration cam lobe for variable valve actuation mechanism |
| 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 | DE20314605U1 Double ball head controller for replacing valves in combustion engines has housing for two control balls and e.g. drive shafts or similar, gas inlet and outlet, can be controlled by e.g. control chain |
| 05/13/2004 | DE10348367A1 Kompakte zweistufige Kipphebelanordnung Compact two-stage rocker arm assembly |
| 05/13/2004 | DE10312961B3 Valve operating device for multi-cylinder IC engine e.g. for automobile, with setting movement of rotation axis for intermediate cam elements for adjusting valve operation |
| 05/13/2004 | DE10250771A1 Engine braking device for combustion engine has individually switchable exhaust valve drives changeable between different valve lift curves; different curves can be implemented for exhaust valves |
| 05/12/2004 | EP1418314A2 Exhaust gas reflux apparatus for internal combustion engine |
| 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 | CN1495347A Variable valve operation system capable of make working angle and phase produce change for engine |
| 05/11/2004 | US6732689 Valve timing control apparatus for internal combustion engine |
| 05/11/2004 | US6732687 Lash adjuster with locking balls deactivation |
| 05/11/2004 | US6732686 Valve opening mechanism |
| 05/11/2004 | US6732685 Engine valve actuator |
| 05/11/2004 | US6732682 Control system and method for an internal combustion engine |
| 05/06/2004 | US20040083997 Actuator having drive cam and valve lift controller using the actuator |
| 05/06/2004 | US20040083994 System for actuating an engine valve |
| 05/06/2004 | EP1416128A1 System for delaying the intake valve closing time in an engine |
| 05/04/2004 | US6729293 Method and apparatus for venting excessive cylinder pressure |
| 05/04/2004 | US6729282 Variable valve lift device |
| 05/04/2004 | US6729280 Reference position learning apparatus and method of a variable valve-timing controlling system |
| 05/04/2004 | US6729277 Electromagnetic valve controller |
| 04/29/2004 | US20040079330 Driver or direct acting valve for internal combustion engine |
| 04/29/2004 | US20040079307 Apparatus for purging and excluding air from a hydraulic manifold assembly for variable deactivation of engine valves |
| 04/29/2004 | DE20220138U1 Ventiltrieb mit Nocken zur variablen Betätigung von Ventilen für Verbrennungsmotoren Valve train with cams for variable actuation of valves for internal combustion engines |