| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
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| 06/23/1998 | US5769044 Value performance control apparatus for internal combustion engine |
| 06/23/1998 | US5769043 In an internal combustion engine |
| 06/18/1998 | DE19651846A1 Method of electromagnetic actuation of a piston engine gas-exchange valve without contacting electromagnets pole-surfaces |
| 06/16/1998 | US5765528 Idle speed control system for automotive internal combustion engine |
| 06/16/1998 | US5765515 For a valve of an internal combustion engine |
| 06/16/1998 | US5765514 Control system for internal combuston engines |
| 06/16/1998 | US5765513 Electromechanically actuated valve |
| 06/11/1998 | WO1998011334A3 A hydraulically controlled camless valve system for an internal combustion engine |
| 06/10/1998 | EP0727010B1 Method and device for controlling the lifting of a valve of an internal combustion engine |
| 06/09/1998 | US5762035 In an internal combustion engine |
| 06/04/1998 | DE19751609A1 Narrow structure electromagnetic actuator e.g. for actuating gas-exchange valves in four-valve engine |
| 05/27/1998 | EP0844372A2 Electromagnetically driven valve control system for internal combustion engines |
| 05/27/1998 | EP0844371A2 Electromagnetically driven valve control system for internal combustion engines |
| 05/27/1998 | EP0844370A2 Electromagnetically driven valve control system for internal combustion engines |
| 05/27/1998 | EP0843780A1 Four-cycle internal combustion engines with two-cycle compression release braking |
| 05/27/1998 | EP0843779A1 Internal combustion engines with combined cam and electro-hydraulic engine valve control |
| 05/19/1998 | US5752478 Control system for internal combustion engines |
| 05/19/1998 | US5752477 Two-stroke engine with valve motion control means |
| 05/14/1998 | DE19646938A1 Electromagnetic operating system for IC engine upper valve in cylinder head |
| 05/14/1998 | DE19646937A1 Electromagnetic actuator mechanism for upper valve of IC engine |
| 05/13/1998 | EP0841473A1 Electromechanically actuated valve for an internal combustion engine |
| 05/07/1998 | DE19718038C1 Electromagnetic actuator for valve of internal combustion engine |
| 05/07/1998 | DE19716042C1 Hydraulic valve control device for internal combustion engine |
| 05/07/1998 | DE19707810C1 Electromagnetic valve control device |
| 05/05/1998 | US5746175 Four-cycle internal combustion engines with two-cycle compression release braking |
| 04/30/1998 | DE19644146A1 Rotatable electromagnetic valve for vehicle IC engine |
| 04/30/1998 | DE19643430A1 Control valve e.g. for large diesel engine |
| 04/28/1998 | US5743221 Method for a throttle-free load control of an internal combustion engine by means of variably controllable cylinder valves |
| 04/28/1998 | CA2129837C Electromagnetically actuated compressor valve |
| 04/21/1998 | US5742467 Method of controlling armature movement in an electromagnetic circuit |
| 04/21/1998 | US5740771 For a piston driven internal combustion engine for propelling vehicles |
| 04/09/1998 | DE19641244A1 Adjusting electromagnetic actuator e.g. for IC engine gas-exchange valves |
| 04/09/1998 | DE19637044A1 Hydraulic valve drive for internal combustion engine |
| 03/31/1998 | US5734309 Energy-saving electromagnetic switching arrangement |
| 03/31/1998 | US5732678 Spool valve for a hydraulic drive |
| 03/31/1998 | CA2123319C Electromagnetically actuated valve |
| 03/25/1998 | EP0830496A1 A hydraulic actuator for an internal combustion engine |
| 03/24/1998 | US5731946 Parallel circuit for driving an electromagnetic load |
| 03/24/1998 | US5730102 Engine brake device for a commercial vehicle |
| 03/24/1998 | US5730091 For use in a vehicle |
| 03/19/1998 | WO1998011334A2 A hydraulically controlled camless valve system for an internal combustion engine |
| 03/19/1998 | CA2265497A1 A hydraulically controlled camless valve system for an internal combustion engine |
| 03/18/1998 | EP0616670B1 Electromagnetically actuated valve |
| 03/12/1998 | WO1998010175A1 Electromagnetic actuator with impact damping |
| 02/26/1998 | WO1998007965A1 Control system and method for an engine valve |
| 02/24/1998 | US5720468 Staggered electromagnetically actuated valve design |
| 02/24/1998 | US5720242 Internal combustion engine equipped with an electromagnetic valve driving apparatus and head structure thereof |
| 02/17/1998 | CA2037729C Method of controlling an internal combustion engine |
| 02/11/1998 | EP0823544A1 Valve operating system in internal combustion engine |
| 02/05/1998 | DE19647305C1 Electromagnetic operating device e.g. for IC engine gas-exchange valve |
| 02/03/1998 | US5713331 Injection and exhaust-brake system for an internal combustion engine having several cylinders |
| 02/03/1998 | US5713316 Hydraulic actuator for an internal combustion engine |
| 02/03/1998 | US5713315 Multiple step valve opening control system |
| 01/29/1998 | WO1998003777A1 Four-cycle engines with two-cycle compression release braking |
| 01/28/1998 | EP0821140A1 Valve operating system in internal combustion engine |
| 01/27/1998 | US5711259 Method of measuring a valve play of an engine-cylinder valve operated by an electromagnetic actuator |
| 01/22/1998 | WO1998002646A1 A hydraulically controlled intake/exhaust valve |
| 01/22/1998 | DE19630407A1 Hydraulic valve setting element for internal combustion engine |
| 01/22/1998 | DE19628860A1 Electromagnetic actuating device for IC engine upper valve e.g. for motor vehicle |
| 01/22/1998 | CA2260826A1 A hydraulically controlled intake/exhaust valve |
| 01/20/1998 | US5709178 Electronically controlled outwardly opening valve system for an engine |
| 01/14/1998 | EP0818871A2 Apparatus for linearly transposing an actuator |
| 01/14/1998 | EP0817904A2 Camless engines with compression release braking |
| 01/14/1998 | EP0796402A4 Hinged armature electromagnetically actuated valve |
| 01/13/1998 | US5708355 Method of identifying the impact of an armature onto an electromagnet on an electromagnetic switching arrangement |
| 01/07/1998 | EP0816644A2 A valve driving apparatus using an electromagnetic coil to move a valve body with reduced noise |
| 01/07/1998 | CN1169538A Method of detecting fault in electromagnetically-actuated intake or exhaust valve |
| 01/06/1998 | US5704314 Electromagnetic operating arrangement for intake and exhaust valves of internal combustion engines |
| 12/29/1997 | EP0814238A1 Electromagnetic actuating device for lift valves of internal combustion engines |
| 12/29/1997 | EP0653015A4 Valves and valve timing for internal combustion engine. |
| 12/29/1997 | EP0643804B1 Method and apparatus to reduce engine combustion noise utilizing unit valve actuation |
| 12/18/1997 | DE19623698A1 Control of piston IC engine valve actuator |
| 12/09/1997 | US5694893 Outward opening valve system for an engine |
| 12/03/1997 | EP0810350A1 Method of detecting fault in electromagnetically-actuated intake or exhaust valve |
| 12/02/1997 | US5692488 Method for automatic calibration of an angle mark transmitter at the crankshaft of an internal combustion engine |
| 12/02/1997 | US5692464 Diesel engine |
| 12/02/1997 | US5692463 Internal combustion engine for use in a vehicle |
| 11/26/1997 | EP0808997A1 Valve performance control apparatus for internal combustion engine |
| 11/25/1997 | US5690065 Method and device for optimizing air filling in an internal combustion engine cylinder |
| 11/25/1997 | US5690064 Electromagnetic valve driving apparatus for driving a valve of an internal combustion engine |
| 11/19/1997 | CN1165241A Two-stroke engine with valve motion control means |
| 11/13/1997 | DE19617041A1 Electronic control device for internal combustion (IC) engine valves |
| 11/11/1997 | US5685272 In a fuel injection system on an engine |
| 11/05/1997 | EP0804685A2 Hydraulically operated actuator |
| 11/04/1997 | US5682846 Engine valve actuator with differential area pistons |
| 10/30/1997 | WO1997040263A1 Push-pull valve assembly for an engine cylinder |
| 10/30/1997 | WO1997040262A1 Method and apparatus for holding a cylinder valve closed during combustion |
| 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 | CA2130521C Vented valve mechanism for internal combustion engines |
| 10/22/1997 | EP0801797A1 Arrangement for controlling a consumer |
| 10/08/1997 | EP0799394A1 Staggered electromagnetically actuated valve design |
| 10/07/1997 | US5673658 Hydraulic-mechanical valve operating mechanism |
| 10/01/1997 | EP0798450A1 Internal combustion engine equipped with an electromagnetic valve driving apparatus and head structure thereof |
| 09/30/1997 | US5671705 Control system for two opposed solenoid-type electromagnetic valve |
| 09/24/1997 | EP0796981A1 Electromagnetic valve driving device in an internal combustion engine |
| 09/24/1997 | EP0796402A1 Hinged armature electromagnetically actuated valve |
| 09/24/1997 | CN1160120A Hydraulic valve drive |
| 09/23/1997 | US5669341 Valve operating system for internal combustion engine |
| 09/18/1997 | DE19702458A1 Electromagnetic actuator e.g. for IC engine gas-exchange valve |