Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01L - Cyclically operating valves for machines or engines › F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Patents for F01L 13 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations (9,664)
07/1998
07/16/1998WO1998030788A1 Compression release for multi-cylinder engines
07/16/1998DE19700865A1 Valve tappet for gas exchange valves in internal combustion engines
07/15/1998EP0853187A1 Valve lifter structure
07/15/1998EP0705382B1 Variable action arrowhead shaped cam lobe system
07/15/1998EP0604598B1 Mechanically retained wear-resistant ceramic pad
07/14/1998US5778839 For a valve actuating mechanism of an internal combustion engine
07/07/1998US5775283 Intake control system for engine
07/02/1998DE19580325C1 Rocker arm for operating gas exchange valve in internal combustion engine
07/01/1998CN1038958C Engine brake using unit valve actuation
06/1998
06/25/1998WO1998027320A1 Cam follower for internal combustion engine timing gear
06/25/1998DE19755937A1 Inlet/outlet valve variable timing (VVT) control for vehicle IC engine
06/25/1998DE19652677A1 Ram for controlling one or more gas shuttle valves of IC engine
06/25/1998DE19652675A1 Variable lift and timing valve gear for internal combustion engine
06/18/1998WO1998026161A2 Camshaft and valve actuating mechanism with said camshaft
06/18/1998DE19652180A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine
06/18/1998DE19651914A1 Device for preventing total engine failure with torn gear belt in Otto engines
06/18/1998DE19651806A1 Method for operating gas change valves in piston stroke engines
06/17/1998EP0739444B1 Variable valve timing mechanism
06/10/1998EP0727010B1 Method and device for controlling the lifting of a valve of an internal combustion engine
06/10/1998DE19650249A1 Shaft rotation angle and valve lift detection arrangement for engine
06/04/1998DE19649466A1 Method of controlling of reciprocating internal combustion engines
06/02/1998US5758620 Engine compression brake system
06/02/1998US5758612 Valve actuating structure for multi-valve engine
05/1998
05/28/1998WO1998022699A1 Tappet for a valve gear of an internal combustion engine
05/28/1998DE19648141A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine
05/27/1998EP0843780A1 Four-cycle internal combustion engines with two-cycle compression release braking
05/27/1998EP0843779A1 Internal combustion engines with combined cam and electro-hydraulic engine valve control
05/27/1998EP0791128B1 Valve-actuating mechanism
05/20/1998EP0843080A1 Variable valve performance apparatus for engine
05/20/1998EP0843078A1 Valve operating system in internal combustion engine
05/14/1998DE19749911A1 Valve gear for internal combustion engine
05/13/1998EP0841474A1 Engine valve lifter with deactivation mechanism, in particular for cylinder cut-off
05/12/1998US5749340 Hydraulic tappets
05/07/1998DE19712668C1 Actuator for valves of internal combustion engine
05/06/1998EP0839263A2 Compression release engine brakes with electronically controlled, multi-coil hydraulic valves
05/06/1998CN1180784A Valve operating system in internal combustion engine
05/05/1998US5746175 Four-cycle internal combustion engines with two-cycle compression release braking
05/05/1998US5746166 CAM lobe with offset angular movement
05/05/1998US5746165 Valve drive of an internal combustion engine
04/1998
04/29/1998EP0838576A1 Variable engine valve driver
04/28/1998US5743226 Valve lifter
04/28/1998CA2151440C Valve operating system for multi-cylinder internal combustion engine
04/23/1998WO1998016726A1 Tappet for the valve gear mechanism of an internal combustion engine
04/23/1998DE19642718A1 Stößel für einen Ventiltrieb einer Brennkraftmaschine Ram for a valve train of an internal combustion engine
04/14/1998US5738054 Engine valve having adjustable lift
04/07/1998US5735242 Fuel pressure activated engine compression braking system
04/02/1998DE19741962A1 Oil supply device for IC engine
04/01/1998EP0833041A1 An electromagnetic actuator for activating an engine latchable rocker arm
03/1998
03/31/1998US5732669 Valve control for an internal combustion engine
03/31/1998US5732612 Actuator for a position-adjusting device, preferably for a valve lift adjusting device of motor vehicles
03/26/1998DE19741918A1 Oil lubrication supply for IC engine
03/26/1998DE19637593A1 Twin camshaft valve drive for internal combustion engine
03/24/1998US5730102 Engine brake device for a commercial vehicle
03/24/1998US5730101 Fuel injector and motor brake valve mounting arrangement for an internal combustion engine with direct fuel injection
03/24/1998US5730092 System for changing lift of a valve
03/19/1998WO1998011330A1 Automatic decompression system
03/19/1998DE19637998A1 Engine brake device for internal combustion engine
03/19/1998DE19637066A1 Valve operating device with stop function
03/12/1998DE19739506A1 Valve timing for IC engine
03/12/1998DE19654449C1 Engine brake for multicylinder internal combustion engine
03/12/1998DE19636811A1 Dekompressionsautomatik Decompression
03/11/1998EP0828061A1 Exhaust pulse boosted engine compression braking method
03/10/1998US5724939 Exhaust pulse boosted engine compression braking method
03/10/1998US5724927 Direct cylinder injected engine and method of operating same
03/05/1998DE19737623A1 Valve timing control for vehicle IC engine
03/05/1998CA2211157A1 Exhaust pulse boosted engine compression braking method
03/04/1998EP0826870A2 Apparatus for controlling timings of exhaust valves and method thereof
03/04/1998EP0826867A1 Valve operating system in an internal combustion engine
03/04/1998EP0826866A2 Valve operating system in internal combustion engine
03/04/1998EP0723627B1 Valve gear mechanism for a multi-cylinder internal combustion engine
02/1998
02/26/1998WO1998007965A1 Control system and method for an engine valve
02/24/1998US5721375 Method and apparatus for monitoring a valve deactivator on a variable displacement engine
02/24/1998US5720244 For a cam-actuated finger lever of valve driver of an engine
02/19/1998DE19632651A1 IC engine control arrangement for cylinder deactivation
02/18/1998EP0824181A1 Tappet for hydraulically deactivating or activating a valve in an internal combustion engine, in particular with cylinder cut-off
02/17/1998US5718199 Electronic controls for compression release engine brakes
02/11/1998EP0793769A4 Variable valve lift mechanism for internal combustion engine
02/11/1998CN1173214A Variable valve lift mechanism for internal combustion engine
02/05/1998DE19631823C1 Mehrzylindrige Brennkraftmaschine Multi-cylinder internal combustion engine
02/05/1998DE19630776A1 Valve control device for IC engine
02/04/1998EP0822321A1 Method for slowing down a 4 stroke internal combustion engine, in particular, when used for vehicle propulsion
02/03/1998US5713335 Variable injection timing and injection pressure control arrangement
02/03/1998US5713331 Injection and exhaust-brake system for an internal combustion engine having several cylinders
01/1998
01/29/1998WO1998003778A1 Valve drive system and cylinder head for an internal combustion engine
01/29/1998WO1998003777A1 Four-cycle engines with two-cycle compression release braking
01/28/1998EP0821142A1 dual event valve control system
01/28/1998EP0821141A1 Internal combustion engine valve drive with rocker arm supported by eccentric shaft
01/27/1998US5711264 Combustion engine compression release mechanism
01/27/1998US5711154 Supercharged multicylinder internal combustion engine with exhaust recycling
01/22/1998DE4497420C1 Switching tappet for IC engine valve gear
01/22/1998DE19629349A1 Valve drive for internal combustion engine
01/21/1998EP0729546B1 Turbocharged engine intake manifold pressure control
01/20/1998US5709180 Narrow cam two-step lifter
01/20/1998US5709179 Engine cylinder valve control system
01/15/1998DE19630309A1 Valve drive interrupter for motor vehicle IC engine
01/15/1998DE19628024A1 IC engine with variable gas-exchange valve (VVT)
01/14/1998EP0818612A1 Engine brake operating device
01/14/1998EP0818611A1 Variable valve performance mechanism in internal combustion engine
01/14/1998EP0817904A2 Camless engines with compression release braking
01/14/1998EP0817903A1 Valve mechanism in an internal combustion engine
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