| 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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| 07/22/1999 | WO1999036677A1 Cam and cam followers for engines |
| 07/22/1999 | WO1999027243A3 Integrated lost motion system for retarding and egr |
| 07/22/1999 | DE19902095A1 Motor valve control mechanism |
| 07/22/1999 | DE19859564A1 Motor variable valve actuator system |
| 07/22/1999 | DE19801964A1 Mechanism to interrupt the force flow between a cam at the camshaft and a valve |
| 07/22/1999 | DE19801702A1 Valve gear of internal combustion engine |
| 07/22/1999 | DE19801701A1 Valve gear of internal combustion engine |
| 07/22/1999 | DE19801604A1 Cam follower to operate the valves of an internal combustion motor from a camshaft |
| 07/22/1999 | DE19801603A1 Motor valve cam follower assembly |
| 07/20/1999 | US5924397 Variable valve performance apparatus for engine |
| 07/20/1999 | US5924334 Device for moving cam relative to its driving shaft |
| 07/14/1999 | CN2328792Y Steel belt pressure reducing device for diesel engine |
| 07/13/1999 | US5921883 System for managing engine retarding torque during coast mode operation |
| 07/08/1999 | DE19758372A1 Pressure supply for engine braking system |
| 07/01/1999 | WO1999032773A1 Engine braking with positive power valve actuation |
| 06/30/1999 | EP0925427A1 Automatic decompression system |
| 06/29/1999 | US5915358 Method of controlling an internal-combustion engine having at least two intake valves for each cylinder |
| 06/24/1999 | DE19853062A1 Valve timing controller for internal combustion engine |
| 06/22/1999 | US5913298 Valve timing system for engine |
| 06/22/1999 | US5913292 Variable valve timing and lift mechanism of internal combustion engine |
| 06/17/1999 | WO1999030011A1 Variable lost motion valve actuator and method |
| 06/17/1999 | DE19755276A1 Electromagnetic actuator for controlling gas changeover valve in IC engine |
| 06/16/1999 | EP0922838A2 Reversing the direction of engine rotation |
| 06/10/1999 | WO1999028601A1 Disengageable valve arm or oscillating lever |
| 06/09/1999 | EP0920576A1 Control system and method for an engine valve |
| 06/03/1999 | WO1999027243A2 Integrated lost motion system for retarding and egr |
| 06/03/1999 | WO1999027242A2 Device to limit valve seating velocities in limited lost motion tappets |
| 06/03/1999 | WO1999027235A1 Method and system start-up apparatus for removing air and debris from a valve actuation system |
| 06/01/1999 | US5908015 Arrangement for interrupting the flow of force between a camshaft and a valve |
| 05/27/1999 | WO1999025970A1 Lost motion hydraulic overhead with integrated retarding |
| 05/27/1999 | DE19752374A1 Tilting or turning shutting-off tappet for IC engine valve drive |
| 05/20/1999 | WO1999010629A3 Engine valve actuator with valve seating control |
| 05/20/1999 | DE19749992A1 Method of controlling an internal combustion engine in a weak mixture mode |
| 05/18/1999 | US5904226 Apparatus for supplying oil in engine |
| 05/18/1999 | US5904124 Enrichment apparatus for internal combustion engines |
| 05/14/1999 | WO1999023378A1 Lost motion valve actuation system |
| 05/14/1999 | WO1999023363A1 Lost motion full authority valve actuation system |
| 05/12/1999 | EP0914546A1 Valve drive system and cylinder head for an internal combustion engine |
| 05/12/1999 | EP0914545A1 Four-cycle engines with two-cycle compression release braking |
| 05/12/1999 | DE19851045A1 Arrangement for variable valve operation in IC engine |
| 05/11/1999 | US5901674 Variable valve timing device |
| 05/06/1999 | EP0913557A2 Valve operating system in internal combustion engine |
| 05/05/1999 | CN1215793A Valve operating system in internal combustion engine |
| 05/04/1999 | US5899180 Variable valve gear, particularly for internal-combustion engines |
| 04/29/1999 | DE19747011A1 Variable valve control system for internal combustion engine |
| 04/28/1999 | EP0911495A1 Variable valve drive |
| 04/28/1999 | EP0911494A2 Variable valve operating device for internal combustion engines |
| 04/22/1999 | WO1999019614A1 Slave piston assembly with valve motion modifier |
| 04/22/1999 | DE19745715A1 Variable control of valves of internal combustion engine |
| 04/21/1999 | EP0909883A1 Arrangement and method for valve driving in a reversible diesel engine |
| 04/21/1999 | EP0909881A2 Variable valve operating device for an internal combustion engine |
| 04/21/1999 | CN1214408A Arrangement and method for valve control of reversible diesel combustion engine |
| 04/15/1999 | WO1999018340A1 Co-axial master piston assembly |
| 04/15/1999 | WO1998034021A8 Engine braking and/or exhaust during egr |
| 04/14/1999 | EP0908605A2 Valve operating system for internal combustion engines which can be disabled |
| 04/14/1999 | EP0908604A1 Variable valve timing mechanism |
| 04/13/1999 | US5893345 Valve control apparatus for an internal combustion engine |
| 04/13/1999 | US5893344 Valve deactivator for pedestal type rocker arm |
| 04/08/1999 | WO1999017004A1 Tappet for the valve gear of an internal combustion engine |
| 04/08/1999 | DE19744253A1 Motor valve push rod to operate the valves in an internal combustion motor |
| 04/07/1999 | EP0741836B1 Cam mechanisms |
| 04/07/1999 | CN1042849C Method and apparatus for optimizing breathing utilizing unit valve actuation |
| 04/06/1999 | US5890469 Exhaust valve mechanism in an internal combustion engine |
| 04/01/1999 | WO1998053185A9 Cam follower for a valve gear in an internal combustion engine |
| 04/01/1999 | DE19749124C1 Load change valve switching arrangement for combustion engine |
| 04/01/1999 | DE19742777A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine |
| 03/31/1999 | EP0782662B1 Hydraulic circuits for compression release engine brakes |
| 03/30/1999 | US5889476 Method of reducing the speed of a vehicle having a collision avoidance system |
| 03/30/1999 | US5887557 Camshaft with drive, bearing and cam elements |
| 03/18/1999 | DE19841484A1 Variable valve lift device |
| 03/16/1999 | US5881690 System for variably controlling operation of an intake/exhaust valve for an internal combustion engine |
| 03/16/1999 | CA2078171C Method of controlling an internal combustion engine |
| 03/11/1999 | DE19738612A1 Camshaft for internal-combustion engine |
| 03/09/1999 | US5878705 Device for the optional actuation of at least one gas exchange valve |
| 03/04/1999 | WO1999010631A1 Internal combustion engine with compressor function |
| 03/04/1999 | WO1999010629A2 Engine valve actuator with valve seating control |
| 03/04/1999 | DE19839801A1 Variable valve actuator for internal combustion engine |
| 03/02/1999 | US5875761 Apparatus for and method of controlling internal combustion engine |
| 03/02/1999 | US5875748 Device and method for operating a valve drive of an internal combustion engine |
| 02/25/1999 | WO1999009303A1 Method for adjusting a valve lift |
| 02/24/1999 | EP0898059A2 Decompression valve engine brake |
| 02/17/1999 | EP0783620B1 Compact combined lash adjuster and reset mechanism for compression release engine brakes |
| 02/16/1999 | US5870993 Method and apparatus for operating a spark-ignited reciprocating-piston internal combustion engine |
| 02/16/1999 | US5870984 Variable engine valve driver |
| 02/11/1999 | WO1999006678A1 Valve control system for an internal combustion engine which can be switcched into drive or brake mode |
| 02/11/1999 | DE19737206A1 Fuel consumption regulation method for motor vehicle Otto engines |
| 02/04/1999 | DE19733322A1 Ventilsteuerung einer als Antrieb oder Bremse schaltbaren Brennkraftmaschine Valve control as a switchable drive or brake engine |
| 02/03/1999 | EP0894185A1 Valve timing system |
| 01/28/1999 | WO1999004144A1 Applied lost motion for optimization of fixed timed engine brake systems |
| 01/28/1999 | WO1999004143A1 Housing for an engageable and disengageable bucket tappet |
| 01/21/1999 | DE19730814A1 Periodically actuated valve gear for gas or fluid exchange |
| 01/21/1999 | DE19730200A1 Gehäuse für einen schaltbaren Tassenstößel Housing for a switchable tappets |
| 01/20/1999 | EP0892156A1 Three-dimensional camshaft and its manufacturing method |
| 01/20/1999 | EP0891484A1 Engine braking and/or exhaust during egr |
| 01/19/1999 | US5860398 Engine tappet |
| 01/19/1999 | CA2126579C Compression release for an internal combustion engine |
| 01/14/1999 | DE19729198A1 Brake device for internal combustion engine |
| 01/13/1999 | EP0890725A2 Apparatus for and method of controlling internal combustion engine |
| 01/07/1999 | EP0889206A1 Variable valve actuation apparatus |
| 01/07/1999 | DE19728100A1 Pushrod for IC engine valve drive |