Patents
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
07/1997
07/01/1997US5642692 Valve control mechanism
06/1997
06/26/1997DE19652765A1 Valve drive with roller rocker arms
06/25/1997EP0780547A1 Internal combustion engine valve lift varying device
06/19/1997WO1997021910A1 Means for the actuation of valves on a reciprocating engine with a variable valve lift, in particular a reciprocating internal combustion engine
06/19/1997DE19546652A1 Collision protection system for motor vehicle
06/18/1997EP0779427A2 Method and apparatus for individually activating and disactivating cylinders of a multi-cylinder combustion engine
06/18/1997EP0779411A1 Valve driving device for an internal combustion engine
06/12/1997DE19623257A1 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
06/11/1997EP0778398A1 Ceramic sliding part
06/11/1997EP0777822A1 Infinitely variable engine compression breaking control and method
06/11/1997EP0777821A1 Engine compression braking apparatus and method utilizing a variable geometry turbocharger
06/11/1997EP0637358B1 Lost motion actuator
06/10/1997US5636611 Arrangement for controlling air compressed in a cylinder of a diesel engine
06/10/1997US5636609 Variable cylinder-operation controlled internal combustion engine
06/10/1997US5636603 Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine
06/05/1997DE19611641C1 Valve operating cam drive for combustion engines
06/04/1997EP0777039A1 Valve drive apparatus for an internal combustion engine having a convex shim between a cam and a valve
06/04/1997EP0689638A4 Valve operating gear
06/03/1997US5634447 Electronic fuel injection augmentation of an engine compression brake
05/1997
05/28/1997EP0775251A1 Exhaust valve mechanism in an internal combustion engine
05/28/1997DE19648476A1 Exhaust valve mechanism for internal combustion engines
05/28/1997DE19543659A1 Tappet for valve drive of internal combustion engine
05/28/1997CN1150618A Air valve control system
05/27/1997US5632238 Control system for an internal combustion engine with associated decompression device
05/22/1997DE19600562C1 Direct injection internal combustion engine
05/21/1997EP0774052A1 Engine compression braking apparatus and method
05/21/1997EP0774051A1 Engine compression braking apparatus and method
05/21/1997EP0719379A4 Variable valve lift mechanism for internal combustion engine
05/20/1997US5630385 Internal combustion engine with decompression device
05/07/1997EP0771937A1 Valve actuation assembly
05/07/1997EP0771390A1 Compression braking system
05/06/1997US5626116 Dedicated rocker lever and cam assembly for a compression braking system
04/1997
04/30/1997DE19619775A1 Cylinder head for multicylinder internal combustion engine
04/30/1997DE19540038A1 Tappet for valve operation of internal combustion engine
04/29/1997US5623898 Variable duration hydraulic valve lifters
04/29/1997US5623897 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism
04/24/1997DE19642742A1 Valve operating device for internal combustion engines
04/24/1997DE19538729A1 Motor brake device for internal combustion engine
04/23/1997EP0712462B1 Rocker assembly with interconnectable arms
04/23/1997EP0663042B1 Four-stroke petrol engine with hybrid control
04/22/1997US5622145 Cylinder valve operating apparatus
04/22/1997US5622144 System for operating internal combustion engine
04/17/1997DE19642059A1 Valve-operated device for engines
04/17/1997DE19642007A1 Cylinder valve actuating system for internal combustion engines
04/15/1997US5619965 Camless engines with compression release braking
04/15/1997US5619964 Actuator with concentric parts for use in engine retarding systems
04/15/1997US5619963 Dual force actuator for use in engine retarding systems
04/15/1997US5619958 Engine valve control system using a latchable rocker arm
04/10/1997WO1997013063A1 Control device for an internal combustion engine
04/09/1997EP0767296A1 Engine valve control system using a latchable rocker arm
04/09/1997EP0767293A1 Device for modifying the valve lift in internal combustion engines
04/03/1997WO1997012127A1 Valve timing for four stroke internal combustion engines
04/03/1997DE19638331A1 Cam arrangement for internal combustion engine
04/03/1997DE19638330A1 Cam arrangement for internal combustion engine
04/01/1997US5615653 Infinitely variable engine compression braking control and method
04/01/1997US5615651 Valve gear device for internal combustion engines
04/01/1997US5615647 For an internal combustion engine
03/1997
03/27/1997DE19535498A1 Valve tappet axle with fluid bores
03/26/1997EP0764770A2 Internal combustion piston engine with at least one cylinder
03/19/1997EP0763165A1 Piston internal combustion engine variable action valve lifter system
03/19/1997EP0663041B1 Valve-actuating mechanism
03/18/1997US5611308 Apparatus for interconnecting an actuator and an exhaust valve opening member
03/18/1997US5611303 Valve operating apparatus of internal combustion engine
03/12/1997EP0761936A2 Actuating unit for an adjusting device, preferably for a valve lift adjusting device of internal combustion engines
03/12/1997EP0761935A2 Variable valve driving gear, particularly for internal combustion engines
03/12/1997EP0761934A2 Valve operating system in SOHC-type engine
03/11/1997US5609134 Operating mechanism for an engine brake valve of an internal combustion engine
03/11/1997US5609133 Exhaust valve mechanism in an internal combustion engine
03/06/1997DE19546549C1 Individual cylinder switching method for multi-cylinder internal combustion engines
03/04/1997US5606960 Method for controlling valve operating characteristic and air-fuel ratio in internal combustion engine
03/04/1997US5606939 Valve actuation assembly
02/1997
02/26/1997EP0759119A1 Valve control mechanism
02/20/1997WO1997006357A1 Device for the optional actuation of at least one gas exchange valve
02/20/1997WO1997006355A1 Internal combustion engines with combined cam and electro-hydraulic engine valve control
02/20/1997WO1997006354A1 Four-cycle internal combustion engines with two-cycle compression release braking
02/20/1997DE19543445C1 Automatic decompression device for control valve of IC engine
02/18/1997US5603300 Wiring arrangement for an engine braking control
02/18/1997US5603294 Variable valve lift device
02/18/1997US5603293 Tappet for a switchable valve of an internal combustion engine
02/18/1997US5603292 Valve mechanism for an internal combustion engine
02/11/1997US5601056 Device for actuating the valves in internal combustion engines by means of revolving cams
02/06/1997DE19528505A1 Vorrichtung zur wahlweisen Betätigung zumindest eines Gaswechselventils Apparatus for selectively actuating at least one gas exchange valve
02/05/1997EP0757165A1 Electronic protection system for a battery-less diesel engine
02/04/1997US5598814 Method and apparatus for electrically driving engine valves
01/1997
01/23/1997DE19526463A1 Engine braking device for internal combustion engine
01/23/1997DE19526349A1 Valve gear for internal combustion engine with reciprocating piston
01/23/1997DE19526284A1 Tappet for valve actuation of internal combustion engine
01/22/1997CN1140792A Adjusting mechanism for valve control system
01/21/1997US5595158 Dynamic positioning device for an engine brake control
01/21/1997US5595156 Induction control system for multi-valve engine
01/16/1997WO1997001696A1 Ceramic sliding part
01/14/1997US5592908 Engine cylinder valve control system
01/14/1997US5592907 Valve operating system for multi-cylinder internal combustion engine
01/14/1997US5592906 Method and device for variable valve control of an internal combustion engine
12/1996
12/31/1996US5588411 Method for controlling an internal combustion engine with external ignition system and with a fuel injection system
12/27/1996EP0750098A1 Internal combustion engine and method for controlling the valve actuation
12/24/1996US5586533 Engine compression braking valve actuator apparatus
12/24/1996US5586532 For opening an engine exhaust valve
12/24/1996US5586531 For operation of an engine brake
12/24/1996US5586527 Device for the variable control of the valves of internal combustion engines, more particularly for the throttle-free load control of 4-stroke engines
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