| Patents for F01L 9 - Valve-gear or valve arrangements actuated non-mechanically (7,196) |
|---|
| 09/24/1991 | US5050384 Two-stroke cycle internal combustion engine |
| 09/11/1991 | EP0446065A2 Method of controlling an internal combustion engine |
| 08/28/1991 | EP0443218A2 Electro-hydraulic valve actuator |
| 08/21/1991 | EP0441909A1 Valve control device with magnetic valve for internal combustion engines. |
| 08/14/1991 | EP0441100A1 Device for controlling the exhaust valve of an internal combustion piston engine |
| 08/08/1991 | DE4002856A1 Valve for IC engine - has variable-timing hydraulic control with inner and outer rotatable sleeves |
| 08/07/1991 | EP0439490A1 A four-stroke radial-piston engine. |
| 08/06/1991 | US5036807 Variable valve timing lift device |
| 07/31/1991 | EP0438830A2 Improved pneumatically powered valve actuator |
| 07/18/1991 | DE4000911A1 IC engine valve control system - involves hydraulic circuit incorporating spring-loaded plane-surface check valve |
| 07/17/1991 | EP0436581A1 Modular, self-contained hydraulic valve timing systems for internal combustion engines |
| 07/09/1991 | US5029516 Transducer |
| 06/27/1991 | CA2033148A1 Pneumatically powered valve actuator |
| 06/27/1991 | CA2033027A1 Electro-hydraulic valve actuator |
| 06/19/1991 | EP0432404A2 Valve control for distribution valves of internal combustion engines |
| 06/19/1991 | EP0432174A1 Control device for a gas shuttle valve |
| 06/19/1991 | CN1052358A Closed loop electric valve control for i.c. enging |
| 06/19/1991 | CN1012913B Scavenge valve for two-cycle engine |
| 06/13/1991 | WO1991008385A1 Hydraulic control device for valves of internal combustion engines |
| 06/13/1991 | WO1991008384A1 Closed loop electric valve control for i.c. engine |
| 06/13/1991 | WO1991008383A1 Electro-hydraulic control device for an internal-combustion engine valve |
| 06/13/1991 | WO1991008382A1 Hydraulic control device for an internal-combustion engine valve |
| 06/13/1991 | WO1991008380A1 Hydraulic control device for the valves of a multi-cylinder internal-combustion engine |
| 06/12/1991 | EP0309468B1 Variable actuator for a valve |
| 06/11/1991 | US5022359 Actuator with energy recovery return |
| 06/11/1991 | US5022358 Low energy hydraulic actuator |
| 06/11/1991 | US5022357 Control system for internal combustion engine |
| 06/11/1991 | US5022353 Variable-cycle engine |
| 06/05/1991 | EP0429485A1 Electromagnetically actuated control device |
| 05/29/1991 | EP0428570A1 Control device for a gas shuttle valve in an internal combustion engine |
| 05/29/1991 | EP0428552A1 Control device for a gas shuttle valve |
| 05/28/1991 | US5019119 Electro-rheological fuel injector |
| 05/23/1991 | DE4035376A1 IC engine cylinder head valve - has magnetic stop limiting opening movement of valve |
| 05/21/1991 | US5016583 Variable intake and exhaust engine |
| 05/14/1991 | US5014829 Electro-rheological shock absorber |
| 04/25/1991 | DE3935218A1 IC engine hydraulic valve control - has piston at valve stem top end, as differential piston structure in cylinder |
| 04/23/1991 | US5009389 Electromagnetic force valve driving apparatus |
| 04/23/1991 | US5009202 Electromagnetically operated valve assembly for use in internal combustion engine |
| 04/17/1991 | EP0422228A1 Electromagnetic valve actuator |
| 04/16/1991 | US5007382 Cycle changeable engine |
| 04/09/1991 | US5005552 Exhaust gas recirculation system of engine |
| 04/09/1991 | US5005540 Valve timing control system for an internal combustion engine |
| 04/09/1991 | US5005539 Engine cycle control system |
| 04/09/1991 | US5005538 Internal combustion engine |
| 04/09/1991 | US5005537 Method and device for introducing a carburetted mixture under pressure in a chamber of a two-stroke engine |
| 04/04/1991 | WO1991005146A1 Solenoid control of engine valves with accumulator pressure recovery |
| 04/04/1991 | CA2066175A1 Solenoid control of engine valves with accumulator pressure recovery |
| 04/03/1991 | EP0420443A1 Engine valve control during transmission shifts |
| 04/02/1991 | US5003938 Pneumatically powered valve actuator |
| 03/26/1991 | US5002022 Internal combustion engine |
| 03/21/1991 | WO1991003630A1 Fluid actuators |
| 03/21/1991 | WO1991003627A1 Valve control device with magnetic valve for internal combustion engines |
| 03/20/1991 | CN2073477U Device being able to improve working property of double strokes petrol engine |
| 03/20/1991 | CN1012096B Two-cycle engine and method of operation |
| 03/19/1991 | US5000133 Two-cycle heat-insulating engine |
| 03/19/1991 | CA1281605C Electromagnetic positioning system for gas exchange valves |
| 03/07/1991 | DE3929073A1 Valve control having magnet valve for IC engines |
| 02/28/1991 | DE3928066A1 EM valve opening and closing device - has two magnet systems of small dimensions to reduce reaction time |
| 02/12/1991 | US4991548 Compact valve actuator |
| 01/30/1991 | EP0409996A1 Electromagnetic valve actuating system |
| 01/23/1991 | EP0408963A2 Method for controlling the armature movement of switching magnets |
| 01/23/1991 | EP0408962A2 Actuators control process |
| 01/23/1991 | EP0408601A1 Titanium poppet valve |
| 01/15/1991 | US4984541 Valve stepping drive apparatus |
| 01/09/1991 | EP0406444A1 Electromagnetic valve actuator |
| 01/09/1991 | EP0406443A1 Electromagnetic valve actuator |
| 01/08/1991 | US4982706 Valve control apparatus having a magnet valve for internal combustion engines |
| 01/02/1991 | EP0406026A2 Variable valve timing and lift device |
| 01/02/1991 | EP0405191A1 Electromagnetic positioning device |
| 01/02/1991 | EP0405189A1 Electromagnetic positioning device |
| 01/02/1991 | EP0405187A1 Electromagnetic positioning device |
| 01/02/1991 | EP0404965A1 Device for step-driving valves |
| 12/12/1990 | EP0401390A1 Electromagnetic valve actuator |
| 12/12/1990 | EP0401346A1 Apparatus for feeding air to an internal combustion engine, after combustion |
| 12/11/1990 | US4976230 Valve mechanism, preferably for an internal combustion engine, having pressure medium supply passage |
| 12/11/1990 | US4976228 Valve control system for internal combustion engine |
| 12/11/1990 | US4976227 Internal combustion engine intake and exhaust valve control apparatus |
| 12/04/1990 | US4974566 Optimal swirl generation by valve control |
| 12/04/1990 | US4974495 Electro-hydraulic valve actuator |
| 11/28/1990 | EP0399991A1 Process and device for controlling the movement of a hydraulically actuated valve |
| 11/27/1990 | US4972810 Electromagnetic force valve driving apparatus |
| 11/22/1990 | DE4014461A1 Valve drive mechanism for lifting valve in IC engine - has plunger, cam and guide sleeve in which is inlet duct |
| 11/20/1990 | CA1276679C Control of the energization of an electromagnet |
| 11/14/1990 | EP0397521A1 Engine cycle control system |
| 11/14/1990 | EP0397361A1 Two-cycle heat-insulating engine |
| 11/14/1990 | EP0397360A1 Exhaust gas recirculation system of an engine |
| 11/14/1990 | EP0397359A2 Cycle changeable engine |
| 11/14/1990 | CN2065670U Reed valve for power air compressor |
| 11/13/1990 | US4969424 Electromagnetic diaphragm valve |
| 11/07/1990 | EP0396325A1 Variable-cycle engine |
| 11/06/1990 | US4967702 Fast acting valve |
| 10/31/1990 | EP0395450A1 Intake/exhaust valve actuator |
| 10/31/1990 | EP0394492A1 Electromagnetically driven valve controller |
| 10/11/1990 | DE3911496A1 Actuating device for an inlet and exhaust valve of an internal combustion engine |
| 10/10/1990 | EP0391507A1 Valve system of internal combustion engine |
| 10/09/1990 | CA1275015A1 Electromagnetically-actuated positioning mechanism |
| 10/03/1990 | EP0390519A1 Electromagnetic force valve driving apparatus |
| 10/03/1990 | EP0390422A1 Valve stepping drive apparatus |
| 09/27/1990 | DE3909822A1 Device for actuation and control of the valves of an internal combustion engine |
| 09/26/1990 | EP0203354B1 Process and circuit for the control of a valve |