| 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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| 07/03/2002 | EP1218625A1 DIRECT INJECTION INTERNAL COMBUSTION ENGINE WITH NOx-REDUCED EMISSIONS |
| 07/03/2002 | CN2498339Y Automatic pressure-reducing device of horizontal diesel engine |
| 07/03/2002 | CN1357079A Cam and cam followers for engines |
| 07/02/2002 | US6412461 Valve resting mechanism for cylinder control type engine |
| 07/02/2002 | US6412457 Engine valve actuator with valve seating control |
| 07/02/2002 | US6412455 Internal combustion engine having a variable valve train |
| 06/27/2002 | WO2002050406A1 Method and device for operating an internal combustion engine |
| 06/27/2002 | WO2002049868A1 Method for operating an internal combustion engine |
| 06/27/2002 | US20020078915 Automatic decompression device for valve-controlled internal-combustion engines |
| 06/27/2002 | DE10063750A1 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 06/27/2002 | DE10061618A1 Cam-type variable valve operating device has variable setting element turning on axis fixed in cylinder head and support and control curve covering more than 180 degrees |
| 06/26/2002 | EP1217179A2 Compression brake actuation system and method |
| 06/26/2002 | CN2497047Y Automatic pressure-releasing device for diesel engine |
| 06/25/2002 | US6408806 Variable valve operating system of internal combustion engine enabling variation of working angle and phase |
| 06/20/2002 | WO2002048531A1 Controller of internal combustion engine |
| 06/20/2002 | WO2002048510A2 Variable timing device for reciprocating engines, engines comprising same and distribution and turbocharging method |
| 06/20/2002 | US20020073960 Integral engine and engine compression braking heui injector |
| 06/20/2002 | US20020073959 Compression brake actuation system and method |
| 06/20/2002 | DE10066054A1 Hubventilsteuerung für Kraftmaschinen Valve stroke for combustion engines |
| 06/20/2002 | CA2360477A1 Compression brake actuation system and method |
| 06/18/2002 | US6405707 Integral engine and engine compression braking HEUI injector |
| 06/18/2002 | US6405699 Roller follower guide orientation and anti-rotation feature |
| 06/18/2002 | US6405697 Valve characteristic control apparatus of internal combustion engine and methods of controlling valve characteristics |
| 06/18/2002 | US6405694 Variable valve timing control device for internal combustion engine |
| 06/13/2002 | WO2002046583A1 Oil control valve and method of mounting the oil control valve |
| 06/13/2002 | US20020069853 Compression brake actuation system and method |
| 06/13/2002 | US20020069850 Apparatus for and method of controlling internal combustion engine |
| 06/13/2002 | DE10140118A1 Variable valve control with stageless valve stroke setting has torsion bar acting not only as opening spring but also as twin-arm pendulum lever |
| 06/13/2002 | DE10138048A1 Ventilzeitgabe-Steuersystem für einen Verbrennungsmotor Valve timing control system for an internal combustion engine |
| 06/13/2002 | DE10137367A1 Ventilzeitgabe-Steuersystem für einen Verbrennungsmotor Valve timing control system for an internal combustion engine |
| 06/13/2002 | DE10061595A1 Valve drive for internal combustion engine has one or more engageable support components which with their inner component are relatively axially movably arranged in recess of cylinder head of engine |
| 06/13/2002 | DE10061594A1 Schaltbares Abstützelement Switching pivot element |
| 06/13/2002 | DE10058539A1 Installation tool is for rotary spring of two-legged type for device for stroke adjustment of gas exchange valve in cylinder head of internal combustion engine |
| 06/12/2002 | EP1213450A2 Compression brake actuation system and method |
| 06/12/2002 | EP1212518A1 Method and apparatus for valve seating velocity control |
| 06/11/2002 | US6401684 System for controlling engine equipped with electromagnetically operated engine valve |
| 06/11/2002 | US6401678 Small four-cycle engine having compression relief to facilitate cranking |
| 06/11/2002 | US6401677 Cam rocker variable valve train device |
| 06/11/2002 | US6401676 Valve device having valve resting mechanism used for internal combustion engine |
| 06/11/2002 | US6401675 Variable valve gear device of internal combustion engine |
| 06/06/2002 | US20020066434 Intake valve timing in multi-valve, camless engines |
| 06/06/2002 | US20020066428 Variable valve train for a cam activated lifting valve of an internal combustion engine |
| 06/06/2002 | US20020066426 Vehicle multi-cylinder engine |
| 06/06/2002 | US20020066425 Control method for the actuator of a variable valve train |
| 06/06/2002 | DE10059285A1 Regelverfahren für den Stellantrieb eines variablen Ventiltriebes Control method for the actuator of a variable valve train |
| 06/05/2002 | EP1211389A2 An electromagnetic valve controller |
| 06/05/2002 | EP1211388A2 Control method for a variable valve drive |
| 06/04/2002 | US6397804 Valve drive mechanism for engine |
| 06/04/2002 | US6397803 Valve timing control system for internal combustion engine |
| 06/04/2002 | US6397800 Valve control device of internal combustion engine |
| 05/30/2002 | WO2002042612A1 Combustion engine comprising an engine brake function |
| 05/30/2002 | US20020062816 Valve timing control system for internal combustion engine |
| 05/30/2002 | US20020062811 Lubricating structure in internal cumbustion engine |
| 05/30/2002 | US20020062801 Apparatus and method for controlling variable valve in internal combustion engine |
| 05/30/2002 | US20020062798 Apparatus and method for diagnosing variable valve timing apparatus |
| 05/30/2002 | US20020062797 Valve timing conrol system for internal combustion engine |
| 05/29/2002 | EP1209329A1 Engine valve characteristic controller |
| 05/29/2002 | EP1209326A2 Variable valve actuation system |
| 05/29/2002 | DE10055595A1 The cylinder shutoff has cylinders with gas exchange valves, cam shaft, driven by crank shaft, two cams, and valve drive element |
| 05/29/2002 | DE10046720A1 Internal combustion engine has variable, preferably electro-rheological damper for tension drive element or chain controlled by controller depending on number of active cylinders |
| 05/28/2002 | US6394077 Exhaust gas recirculation system |
| 05/28/2002 | US6394067 Apparatus and method to supply oil, and activate rocker brake for multi-cylinder retarding |
| 05/28/2002 | US6394054 Mechanical compression and vacuum release |
| 05/28/2002 | US6394053 Valve train for high speed direct injection diesel engine |
| 05/28/2002 | US6394050 Actuator piston assembly for a rocker arm system |
| 05/23/2002 | US20020059919 Fuel injection control system and method and engine control unit for internal combustion engine |
| 05/23/2002 | US20020059911 Internal combustion engine |
| 05/22/2002 | CN2492682Y Built-in electrically started gasoline engine |
| 05/21/2002 | US6390041 Variable-valve-actuation apparatus for internal combustion engine |
| 05/21/2002 | US6390039 Engine valve drive control apparatus and method |
| 05/16/2002 | US20020056435 Method and system of improving engine braking by variable valve actuation |
| 05/16/2002 | US20020056426 Valve operating control system for engine |
| 05/16/2002 | US20020056425 Valve operating control system in engine |
| 05/16/2002 | US20020056424 Reference position learning apparatus and method of a variable valve-timing controlling system |
| 05/16/2002 | US20020056422 Electromagnetic valve controller |
| 05/16/2002 | DE10054506A1 Inlet valve drive for motor vehicle four-stroke internal combustion engine has sliding connection for rocker formed by roller slide mounting for cam follower |
| 05/15/2002 | EP1205643A1 Valve drive in an internal combustion engine |
| 05/14/2002 | US6386168 Valve cam mechanism for four-cycle engine |
| 05/14/2002 | US6386163 Valve system for an engine |
| 05/14/2002 | US6386162 Variable valve drive for load control of a positive ignition internal combustion engine |
| 05/14/2002 | US6386161 Cam link variable valve mechanism |
| 05/14/2002 | US6386160 Valve control apparatus with reset |
| 05/14/2002 | US6386159 Valve timing system |
| 05/14/2002 | US6386157 Method for controlling an internal combustion engine |
| 05/14/2002 | US6386156 Transitions among operating modes in an engine with a hybrid valvetrain |
| 05/14/2002 | US6386155 Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam |
| 05/09/2002 | US20020053329 Valve operating system for internal combustion engines |
| 05/09/2002 | US20020053326 Switchable support element |
| 05/08/2002 | EP1203867A2 Electro-hydraulic compression release brake |
| 05/08/2002 | EP0808418B1 Cylinder head for an internal combustion engine |
| 05/08/2002 | DE10055014A1 Switchable support element for rocker arm of valve gear of IC engines has two anti-turning locks formed as single component fitted between housing and inner part |
| 05/08/2002 | DE10054623A1 Device for changeover of cam pack on camshaft to operate gas exchange valves has actuating element in form of pin movable radially outwards and in extended state interacting with slide tracks in guide section |
| 05/08/2002 | DE10052811A1 Variabler Ventiltrieb zur Laststeuerung einer fremdgezündeten Brennkraftmaschine Variable valve train for load control of a spark-ignited internal combustion engine |
| 05/07/2002 | US6382175 Method for monitoring the operation of a piston-type internal-combustion engine with fully variable cylinder valves |
| 05/07/2002 | US6382173 Split body deactivation valve lifter |
| 05/07/2002 | US6382155 Variable valve timing with actuator locking for internal combustion engine |
| 05/07/2002 | US6382152 Crank gear variable valve actuating mechanism |
| 05/07/2002 | US6382151 Ring gear variable valve train device |
| 05/07/2002 | US6382150 Desmodromic oscillating cam actuator with hydraulic lash adjuster |
| 05/07/2002 | US6382149 Valve timing system for an internal combustion engine |