| 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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| 01/07/1998 | EP0815355A1 Exhaust valve mechanism in an internal combustion engine |
| 01/06/1998 | US5704316 Valve drive system of an internal combustion engine |
| 01/06/1998 | US5704315 Valve operating system in SOHC-type engine |
| 12/30/1997 | US5701860 Decompressor for an internal combustion engine |
| 12/30/1997 | US5701859 Compression release valve for a combustion engine |
| 12/30/1997 | US5701857 Cylinder valve operating system |
| 12/29/1997 | EP0814245A1 Method and device for operating a spark ignited piston internal combustion engine |
| 12/29/1997 | EP0814240A1 Hydraulic tappets |
| 12/29/1997 | EP0814239A1 Latch assembly for a valve control system |
| 12/29/1997 | EP0814237A1 Valve drive in an internal combustion engine |
| 12/18/1997 | DE19623424A1 Valve tappet for use in internal combustion engine |
| 12/16/1997 | US5697336 Engine brake for a multi-cylinder internal combustion engine |
| 12/16/1997 | US5697333 Valve control system for an internal combustion engine |
| 12/09/1997 | US5695430 Hybrid internal combustion engine |
| 12/09/1997 | US5694894 For use in an overhead camshaft internal combustion engine |
| 12/02/1997 | US5692469 Braking a four stroke IC engine |
| 12/02/1997 | US5692465 Valve operating apparatus |
| 12/02/1997 | US5692464 Diesel engine |
| 11/26/1997 | EP0808418A1 A device in a cylinder head for an internal combustion engine |
| 11/25/1997 | US5690066 Engine valve control actuator with knee action linkage |
| 11/19/1997 | EP0807745A1 Valve driving apparatus |
| 11/18/1997 | USRE35662 Valve operating apparatus |
| 11/18/1997 | US5687683 Automatic decompressor for valve-controlled internal combustion engines |
| 11/18/1997 | US5687680 Valve system for overhead valve internal combustion engine |
| 11/13/1997 | DE19618699A1 Two=stroke IC-engine for hand implement |
| 11/12/1997 | EP0805911A1 Stroke limiter for hydraulic actuator pistons in compression release engine brakes |
| 11/11/1997 | US5685264 For controlling motion of cylinder head valves |
| 11/04/1997 | US5682854 Variable compression ratio engine |
| 11/04/1997 | US5682848 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism |
| 11/04/1997 | US5682847 Valve actuating device for engine |
| 10/30/1997 | DE19616265A1 Ram for valve drive of internal combustion engine |
| 10/29/1997 | EP0803642A1 Internal combustion engine with variably actuated valves |
| 10/28/1997 | US5680841 Internal combustion engines with combined cam and electro-hydraulic engine valve control |
| 10/28/1997 | US5680835 Rocker assembly with interconnectable arms |
| 10/23/1997 | WO1997039222A1 Valve timing system |
| 10/23/1997 | DE19614923A1 Vehicle four-stroke IC engine deceleration method |
| 10/21/1997 | US5679094 Engine cylinder valve control system |
| 10/15/1997 | EP0801213A1 Hydraulic actuator and variable valve driving mechanism making use of the same |
| 10/14/1997 | US5676109 Hydraulic system, in particular an engine brake for an internal combustion engine |
| 10/09/1997 | WO1997037108A1 Valve gear mechanism capable of being switched between different valve lifts for at least one gas exchange valve of an internal combustion engine |
| 10/08/1997 | EP0799992A1 Decompressor for an internal combustion engine |
| 10/02/1997 | DE19612551A1 Auf unterschiedliche Hübe für wenigstens ein Gaswechselventil umschaltbarer Ventiltrieb einer Brennkraftmaschine On different strokes for at least one gas exchange valve switchable valve train of an internal combustion engine |
| 10/01/1997 | EP0798451A1 Valve control of an internal combustion engine |
| 10/01/1997 | CN1160816A Automatic pressure reducer for internal combustion engine with at least one driving cylinder |
| 09/30/1997 | US5671706 Variable valve timing |
| 09/24/1997 | EP0796982A1 Engine valve control system using a latchable rocker arm activated by a solenoid mechanism |
| 09/23/1997 | US5669342 Device for simultaneous actuation of at least two gas exchange valves |
| 09/23/1997 | US5669266 Coupling gear |
| 09/16/1997 | US5666916 Apparatus for and method of controlling internal combustion engine |
| 09/16/1997 | US5666913 Variable timing cam follower lever assembly |
| 09/12/1997 | WO1997033076A1 Valve drive for gas exchange valves of internal combustion engines |
| 09/11/1997 | DE19608651A1 Ventiltrieb für Gaswechselventile von Brennkraftmaschinen Valve train for gas exchange valves of internal combustion engines |
| 09/10/1997 | EP0793769A1 Variable valve lift mechanism for internal combustion engine |
| 09/10/1997 | EP0695395B1 Valve control means |
| 09/10/1997 | EP0636205B1 Valve control mechanism |
| 09/09/1997 | US5664531 Device for adjusting valve duration using external air supply |
| 09/09/1997 | US5664463 Camshaft assembly with shaft elements positioned one inside the other and method of producing same |
| 08/28/1997 | DE19641068A1 Rocker arm for valve control in piston pumps and internal combustion engines |
| 08/28/1997 | DE19607088A1 Continuously variable timing device for IC engine inlet and outlet valves |
| 08/27/1997 | EP0791729A1 Heat engine for a vehicle with related control method |
| 08/27/1997 | EP0791128A1 Valve-actuating mechanism |
| 08/27/1997 | EP0733154B1 Variable valve timing |
| 08/26/1997 | US5660153 Valve control system |
| 08/21/1997 | DE19634108C1 Internal combustion engine with at least one throttle valve per cylinder |
| 08/21/1997 | DE19634107C1 Turbocharged internal combustion engine |
| 08/21/1997 | DE19606054A1 Valve drive for internal combustion engine |
| 08/14/1997 | WO1997029272A1 Adjusting cylinder of a camshaft adjuster on which a separate oil supply device can act |
| 08/14/1997 | DE19604866A1 Support system for rocker in internal combustion engine |
| 08/14/1997 | DE19604865A1 Mittels separater Ölfördereinrichtung beaufschlagbarer Stellzylinder eines Nockenwellenverstellers By means of separate oil conveyor acted upon actuating cylinder of a camshaft adjuster |
| 08/13/1997 | EP0626035B1 Valve control for an internal combustion engine |
| 08/12/1997 | US5655499 Decompression braking apparatus for diesel engine |
| 08/12/1997 | US5655488 Dual event valve control system |
| 08/12/1997 | US5655487 Switchable support element |
| 08/05/1997 | US5653199 Automatic decompression device for an engine |
| 08/05/1997 | US5653198 Finger follower rocker arm system |
| 08/05/1997 | US5653102 Air/fuel control system with catalytic converter monitoring for a variable displacement engine |
| 07/30/1997 | CN1155918A Ceramic sliding part |
| 07/29/1997 | US5651335 For a valve actuating mechanism of an internal combustion engine |
| 07/24/1997 | WO1997026447A1 Method and apparatus for controlling valve mechanism of engine |
| 07/24/1997 | WO1997026446A1 Tappet for an internal combustion engine valve drive |
| 07/24/1997 | DE19602013A1 IC-Engine cylinder-head with variable valve stroke |
| 07/24/1997 | DE19601587A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine |
| 07/23/1997 | EP0784737A1 Electronically controlled compression release engine brakes |
| 07/23/1997 | EP0784736A1 Electronic controls for compression release engine brakes |
| 07/23/1997 | EP0605672B1 Engine braking utilizing unit valve actuation |
| 07/17/1997 | DE19601170A1 Tappet for deactivating valve or altering valve lift |
| 07/16/1997 | EP0784149A1 Direct injection internal combustion engine |
| 07/16/1997 | EP0783620A1 Compact combined lash adjuster and reset mechanism for compression release engine brakes |
| 07/15/1997 | US5647319 Decompression braking apparatus for diesel engine |
| 07/15/1997 | US5647318 Engine compression braking apparatus and method |
| 07/15/1997 | US5647312 Four-stroke Otto engine having hybrid control |
| 07/10/1997 | DE19624230C1 Valve control for internal combustion engines |
| 07/10/1997 | DE19600536A1 Device for variable control of inlet valve of combustion engine |
| 07/09/1997 | EP0782662A1 Hydraulic circuits for compression release engine brakes |
| 07/08/1997 | US5645031 Compression release brake with hydraulically adjustable timing |
| 07/08/1997 | US5645030 Motorbrake for a diesel engine |
| 07/08/1997 | US5645022 Engine valve drive control device |
| 07/08/1997 | US5645020 CAM assembly installation in engine |
| 07/02/1997 | EP0781900A1 Latchable rocker arm mounting |
| 07/01/1997 | US5644073 Diagnostic system for variable valve timing control system |