| Patents for F02D 9 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits (12,707) |
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| 03/28/1989 | US4815317 Idling mode detecting switch for an internal-combustion engine |
| 03/23/1989 | DE3828686A1 Power control element for an internal combustion engine with a slide valve |
| 03/22/1989 | EP0307898A2 Exhaust gas control device for motorcycles |
| 03/15/1989 | EP0306769A1 Throttle valve controlling apparatus including relative position limiting means for throttle valves |
| 03/14/1989 | US4811713 Vehicle engine controller |
| 03/14/1989 | US4811712 Air intake apparatus for use in diesel engine |
| 03/09/1989 | WO1989002031A1 Cam adjustment assembly |
| 03/08/1989 | EP0306462A2 Arrangement in a throttle control or the like |
| 03/07/1989 | US4809659 Motor-driven throttle valve assembly |
| 03/07/1989 | US4809658 Anti-overrunning device for an internal combustion engine |
| 03/07/1989 | US4809657 Anti-overrunning device for an internal combustion engine |
| 02/22/1989 | EP0304316A2 A speed governed carburettor |
| 02/21/1989 | US4805573 Engine with variable area intake passages |
| 02/21/1989 | US4805571 Internal combustion engine |
| 02/21/1989 | US4805482 To provide proper vertical and horizontal alignment |
| 02/07/1989 | US4802457 Internal combustion engine provided with a supercharger |
| 02/01/1989 | EP0301410A2 Apparatus for controlling throttle valve |
| 01/31/1989 | US4800856 Abrasion resistant roller apparatus for internal combustion engines |
| 01/26/1989 | WO1989000643A1 Internal combustion engine |
| 01/26/1989 | WO1989000639A1 Throttle valve for an internal combustion engine |
| 01/25/1989 | EP0300479A2 Throttle valve controlling apparatus |
| 01/24/1989 | US4800360 Vehicle display for current and allowable gear ratios |
| 01/12/1989 | WO1989000241A1 Internal combustion engine, in particular otto engine with exhaust return system |
| 01/11/1989 | EP0170465B1 Semi-automatic transmission with twin splitter |
| 01/10/1989 | US4797074 Governor device |
| 01/10/1989 | US4796583 Anti-overrunning device for an internal combustion engine |
| 01/10/1989 | US4796582 Anti-overruning device for an internal combustion engine |
| 01/10/1989 | US4796579 Automotive type throttle body |
| 01/10/1989 | US4796578 Anti-overrunning device for an internal combustion engine |
| 01/04/1989 | EP0297879A2 Motor speed controller for a pressure fluid-operated motor |
| 01/03/1989 | CA1247951A1 Flexible coupling for carburetors |
| 12/29/1988 | WO1988010365A1 System for adjusting the throttle valve angle |
| 12/29/1988 | DE3819646A1 Internal combustion engine with a machine as power control element |
| 12/29/1988 | DE3733441C1 Non-return valve device in the intake port of a quantity-controlled internal combustion engine |
| 12/21/1988 | EP0295414A2 Device for actuating the throttle valve of an internal combustion engine |
| 12/21/1988 | EP0295398A2 Starting device for an internal combustion engine, especially for a hand-started motor of a tool |
| 12/20/1988 | US4792901 Method for controlling AMT system including after transmission gear change fuel control |
| 12/14/1988 | EP0294637A2 Diesel engine |
| 12/08/1988 | DE3718100A1 Control device |
| 12/07/1988 | EP0293783A2 Turbine brake device |
| 12/06/1988 | CA1245921A1 Control device interconnecting throttle valve, exhaust valve, and spark timing linkages |
| 12/01/1988 | WO1988009435A1 Device for controlling at least one throttle cross-section at at least one control opening |
| 12/01/1988 | WO1988009434A1 Device for controlling at least one throttle cross-section of at least one control opening |
| 12/01/1988 | DE3716505A1 Method for Reducing the Wear of the Control Devices in Internal-Combustion Engines and Device for carrying out the Method |
| 11/23/1988 | EP0292010A1 Engine braking system |
| 11/22/1988 | US4787044 Apparatus and method for controlling rotational speed of internal combustion engine for vehicles |
| 11/22/1988 | US4786031 Fiber reinforced thermoplastic butterfly valve element |
| 11/22/1988 | US4785782 Control apparatus of a throttle valve in an internal combustion engine |
| 11/22/1988 | US4785691 Device for regulating an internal combustion engine in a motor vehicle |
| 11/17/1988 | EP0291049A2 Multiple throttle mechanism for internal combustion engines |
| 11/17/1988 | EP0290980A2 Apparatus for controlling intake air flow rate in internal combustion engine |
| 11/17/1988 | DE3813791A1 Device for the adjustment of the fresh gas flow cross-section in the intake pipe of an internal combustion engine as a function of the load |
| 11/09/1988 | EP0289723A2 Anti-overrunning device for an internal combustion engine |
| 11/09/1988 | EP0289722A2 Anti-overrunning device for an internal combustion engine |
| 11/08/1988 | US4783052 Composite article having insert |
| 11/08/1988 | US4782805 Control device for throttle valve for internal combustion engine |
| 11/03/1988 | DE3712927A1 Arrangement of throttle valves in the intake pipe of an internal combustion engine |
| 10/27/1988 | DE3811541A1 Steuersystem fuer einen fahrzeugmotor A control system for a motor vehicle |
| 10/27/1988 | DE3810750A1 Internal combustion engine with a plurality of throttles in the intake pipe arrangement |
| 10/25/1988 | US4779600 Engine |
| 10/25/1988 | US4779592 Stepping motor and intake control apparatus therewith |
| 10/25/1988 | US4779590 Engine throttle control with low idle speed actuation force |
| 10/25/1988 | US4779480 Multi ratio accelerator cable mechanism |
| 10/20/1988 | DE3711779A1 Throttle valve |
| 10/19/1988 | EP0286818A2 Anti-overrunning device for an internal combustion engine |
| 10/12/1988 | EP0285877A1 Valve control device |
| 10/12/1988 | EP0285868A1 Device for regulating the intake air in a combustion engine |
| 10/12/1988 | EP0285809A2 Anti-overrunning device for an internal combustion engine |
| 10/12/1988 | EP0285808A2 Anti-overrunning device for an internal combustion engine |
| 09/27/1988 | US4773440 Mounted on an exhaust gas pipe of a vehicle |
| 09/27/1988 | US4773371 For an internal combustion engine |
| 09/22/1988 | DE3707904A1 Flap valve for an exhaust pipe of a motor vehicle |
| 09/20/1988 | US4771849 System for controlling the fuel supplied to an automotive engine |
| 09/20/1988 | US4771750 Method and apparatus for regulating the idling charge of an internal combustion engine |
| 09/14/1988 | EP0222775B1 Process for adjusting the idling speed of an internal combustion engine |
| 09/07/1988 | WO1988006682A1 Device for returning suction throttle valve of engine |
| 09/07/1988 | WO1988006681A1 Throttle valve control apparatus |
| 09/07/1988 | EP0281358A2 Control system for controlling DC motor which controls operation condition of internal combustion engine |
| 09/07/1988 | EP0281357A2 Control system for controlling actuator to control operation of internal combustion engine |
| 09/06/1988 | US4768483 Throttle valve control apparatus for an automobile |
| 08/30/1988 | US4766862 Idling speed-up control apparatus internal combustion engine |
| 08/23/1988 | US4766544 Apparatus for automatically controlling starting of vehicle powered by internal combustion engine |
| 08/23/1988 | US4765933 Butterfly valve controlled fuel addition rate |
| 08/23/1988 | US4765137 Exhaust gas control means for engine |
| 08/17/1988 | EP0277945A1 An internal combustion engine provided with a supercharger. |
| 08/03/1988 | EP0276773A1 Intake system and control device therefor for internal-combustion engines |
| 07/26/1988 | US4759326 Method of controlling engine idle speed and air throttle therefor |
| 07/26/1988 | US4759320 Intake device for an internal combustion engine |
| 07/26/1988 | US4759184 Acceleration modulator for a hydraulic driving system |
| 07/07/1988 | DE3153274C2 Mixture-compressing four-stroke internal combustion engine with applied ignition |
| 07/05/1988 | US4755156 Marine propulsion device with mechanical linkage for throttle and shift controls |
| 06/29/1988 | EP0272373A1 Throttle valve housing for an internal-combustion engine |
| 06/21/1988 | US4751987 Slide-type exhaust braking system |
| 06/16/1988 | DE3738925A1 Segmental orifice plate for through-flow control and through-flow measurement of a pulsating intake air current on an internal combustion engine |
| 06/15/1988 | EP0271030A2 Stepping motor and intake control apparatus therewith |
| 06/14/1988 | US4750582 Traction slip control device |
| 06/14/1988 | US4750459 Dynamic pressure limitation with safety valve |
| 06/08/1988 | EP0270121A2 Motor vehicle |
| 06/08/1988 | EP0269942A2 Semi-automatic mechanical transmission control |
| 05/31/1988 | US4747380 Throttle valve control device for internal combustion engines |