| 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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| 07/01/1997 | US5642692 Valve control mechanism |
| 06/26/1997 | DE19652765A1 Valve drive with roller rocker arms |
| 06/25/1997 | EP0780547A1 Internal combustion engine valve lift varying device |
| 06/19/1997 | WO1997021910A1 Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine |
| 06/19/1997 | DE19546652A1 Collision protection system for motor vehicle |
| 06/18/1997 | EP0779427A2 Method and apparatus for individually activating and disactivating cylinders of a multi-cylinder combustion engine |
| 06/18/1997 | EP0779411A1 Valve driving device for an internal combustion engine |
| 06/12/1997 | DE19623257A1 Einrichtung zur Betätigung von Ventilen an einer Kolbenmaschine mit veränderbarem Ventilhub, insbesondere einer Kolbenbrennkraftmaschine Means for actuating valves of a reciprocating engine with a variable valve stroke, in particular a piston internal combustion engine |
| 06/11/1997 | EP0778398A1 Ceramic sliding part |
| 06/11/1997 | EP0777822A1 Infinitely variable engine compression breaking control and method |
| 06/11/1997 | EP0777821A1 Engine compression braking apparatus and method utilizing a variable geometry turbocharger |
| 06/11/1997 | EP0637358B1 Lost motion actuator |
| 06/10/1997 | US5636611 Arrangement for controlling air compressed in a cylinder of a diesel engine |
| 06/10/1997 | US5636609 Variable cylinder-operation controlled internal combustion engine |
| 06/10/1997 | US5636603 Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine |
| 06/05/1997 | DE19611641C1 Valve operating cam drive for combustion engines |
| 06/04/1997 | EP0777039A1 Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve |
| 06/04/1997 | EP0689638A4 Valve operating gear |
| 06/03/1997 | US5634447 Electronic fuel injection augmentation of an engine compression brake |
| 05/28/1997 | EP0775251A1 Exhaust valve mechanism in an internal combustion engine |
| 05/28/1997 | DE19648476A1 Exhaust valve mechanism for internal combustion engines |
| 05/28/1997 | DE19543659A1 Tappet for valve drive of internal combustion engine |
| 05/28/1997 | CN1150618A Air valve control system |
| 05/27/1997 | US5632238 Control system for an internal combustion engine with associated decompression device |
| 05/22/1997 | DE19600562C1 Direct injection internal combustion engine |
| 05/21/1997 | EP0774052A1 Engine compression braking apparatus and method |
| 05/21/1997 | EP0774051A1 Engine compression braking apparatus and method |
| 05/21/1997 | EP0719379A4 Variable valve lift mechanism for internal combustion engine |
| 05/20/1997 | US5630385 Internal combustion engine with decompression device |
| 05/07/1997 | EP0771937A1 Valve actuation assembly |
| 05/07/1997 | EP0771390A1 Compression braking system |
| 05/06/1997 | US5626116 Dedicated rocker lever and cam assembly for a compression braking system |
| 04/30/1997 | DE19619775A1 Cylinder head for multicylinder internal combustion engine |
| 04/30/1997 | DE19540038A1 Tappet for valve operation of internal combustion engine |
| 04/29/1997 | US5623898 Variable duration hydraulic valve lifters |
| 04/29/1997 | US5623897 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism |
| 04/24/1997 | DE19642742A1 Valve operating device for internal combustion engines |
| 04/24/1997 | DE19538729A1 Motor brake device for internal combustion engine |
| 04/23/1997 | EP0712462B1 Rocker assembly with interconnectable arms |
| 04/23/1997 | EP0663042B1 Four-stroke petrol engine with hybrid control |
| 04/22/1997 | US5622145 Cylinder valve operating apparatus |
| 04/22/1997 | US5622144 System for operating internal combustion engine |
| 04/17/1997 | DE19642059A1 Valve-operated device for engines |
| 04/17/1997 | DE19642007A1 Cylinder valve actuating system for internal combustion engines |
| 04/15/1997 | US5619965 Camless engines with compression release braking |
| 04/15/1997 | US5619964 Actuator with concentric parts for use in engine retarding systems |
| 04/15/1997 | US5619963 Dual force actuator for use in engine retarding systems |
| 04/15/1997 | US5619958 Engine valve control system using a latchable rocker arm |
| 04/10/1997 | WO1997013063A1 Control device for an internal combustion engine |
| 04/09/1997 | EP0767296A1 Engine valve control system using a latchable rocker arm |
| 04/09/1997 | EP0767293A1 Device for modifying the valve lift in internal combustion engines |
| 04/03/1997 | WO1997012127A1 Valve timing for four stroke internal combustion engines |
| 04/03/1997 | DE19638331A1 Cam arrangement for internal combustion engine |
| 04/03/1997 | DE19638330A1 Cam arrangement for internal combustion engine |
| 04/01/1997 | US5615653 Infinitely variable engine compression braking control and method |
| 04/01/1997 | US5615651 Valve gear device for internal combustion engines |
| 04/01/1997 | US5615647 For an internal combustion engine |
| 03/27/1997 | DE19535498A1 Valve tappet axle with fluid bores |
| 03/26/1997 | EP0764770A2 Internal combustion piston engine with at least one cylinder |
| 03/19/1997 | EP0763165A1 Piston internal combustion engine variable action valve lifter system |
| 03/19/1997 | EP0663041B1 Valve-actuating mechanism |
| 03/18/1997 | US5611308 Apparatus for interconnecting an actuator and an exhaust valve opening member |
| 03/18/1997 | US5611303 Valve operating apparatus of internal combustion engine |
| 03/12/1997 | EP0761936A2 Actuating unit for an adjusting device, preferably for a valve lift adjusting device of internal combustion engines |
| 03/12/1997 | EP0761935A2 Variable valve driving gear, particularly for internal combustion engines |
| 03/12/1997 | EP0761934A2 Valve operating system in SOHC-type engine |
| 03/11/1997 | US5609134 Operating mechanism for an engine brake valve of an internal combustion engine |
| 03/11/1997 | US5609133 Exhaust valve mechanism in an internal combustion engine |
| 03/06/1997 | DE19546549C1 Individual cylinder switching method for multi-cylinder internal combustion engines |
| 03/04/1997 | US5606960 Method for controlling valve operating characteristic and air-fuel ratio in internal combustion engine |
| 03/04/1997 | US5606939 Valve actuation assembly |
| 02/26/1997 | EP0759119A1 Valve control mechanism |
| 02/20/1997 | WO1997006357A1 Device for the optional actuation of at least one gas exchange valve |
| 02/20/1997 | WO1997006355A1 Internal combustion engines with combined cam and electro-hydraulic engine valve control |
| 02/20/1997 | WO1997006354A1 Four-cycle internal combustion engines with two-cycle compression release braking |
| 02/20/1997 | DE19543445C1 Automatic decompression device for control valve of IC engine |
| 02/18/1997 | US5603300 Wiring arrangement for an engine braking control |
| 02/18/1997 | US5603294 Variable valve lift device |
| 02/18/1997 | US5603293 Tappet for a switchable valve of an internal combustion engine |
| 02/18/1997 | US5603292 Valve mechanism for an internal combustion engine |
| 02/11/1997 | US5601056 Device for actuating the valves in internal combustion engines by means of revolving cams |
| 02/06/1997 | DE19528505A1 Vorrichtung zur wahlweisen Betätigung zumindest eines Gaswechselventils Apparatus for selectively actuating at least one gas exchange valve |
| 02/05/1997 | EP0757165A1 Electronic protection system for a battery-less diesel engine |
| 02/04/1997 | US5598814 Method and apparatus for electrically driving engine valves |
| 01/23/1997 | DE19526463A1 Engine braking device for internal combustion engine |
| 01/23/1997 | DE19526349A1 Valve gear for internal combustion engine with reciprocating piston |
| 01/23/1997 | DE19526284A1 Tappet for valve actuation of internal combustion engine |
| 01/22/1997 | CN1140792A Adjusting mechanism for valve control system |
| 01/21/1997 | US5595158 Dynamic positioning device for an engine brake control |
| 01/21/1997 | US5595156 Induction control system for multi-valve engine |
| 01/16/1997 | WO1997001696A1 Ceramic sliding part |
| 01/14/1997 | US5592908 Engine cylinder valve control system |
| 01/14/1997 | US5592907 Valve operating system for multi-cylinder internal combustion engine |
| 01/14/1997 | US5592906 Method and device for variable valve control of an internal combustion engine |
| 12/31/1996 | US5588411 Method for controlling an internal combustion engine with external ignition system and with a fuel injection system |
| 12/27/1996 | EP0750098A1 Internal combustion engine and method for controlling the valve actuation |
| 12/24/1996 | US5586533 Engine compression braking valve actuator apparatus |
| 12/24/1996 | US5586532 For opening an engine exhaust valve |
| 12/24/1996 | US5586531 For operation of an engine brake |
| 12/24/1996 | US5586527 Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke engines |