| Patents for F02D 35 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for (6,645) |
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| 07/03/1990 | CA1271104A1 Pressure operated valve |
| 06/28/1990 | WO1990007051A1 System for monitoring and controlling engine performance |
| 06/27/1990 | EP0375271A2 An electrical connection arrangement and a method of providing an electrical connection |
| 06/26/1990 | US4937018 Rotor-type carburetor with improved fuel scavenging and atomization apparatus and methods |
| 06/26/1990 | US4936277 System for monitoring and/or controlling multiple cylinder engine performance |
| 06/26/1990 | US4936137 Pressure detecting apparatus |
| 06/14/1990 | WO1990006499A1 Luminosity and temperature detector for internal combustion engine |
| 06/12/1990 | US4932388 Rotary position detector for internal combustion engine |
| 06/12/1990 | US4932379 Method for detecting engine misfire and for fuel control |
| 06/05/1990 | US4930478 Method of operating an engine |
| 05/31/1990 | WO1990005845A1 Solenoid valve, in particular for fuel injection pumps |
| 05/31/1990 | WO1990005841A1 Engine management system |
| 05/30/1990 | EP0370621A1 Smoke measuring apparatus |
| 05/30/1990 | EP0370594A1 Engine management system |
| 05/29/1990 | US4928653 Air-fuel ratio control device for an internal combustion engine |
| 05/08/1990 | US4922879 Intake arrangement for internal combustion engine |
| 05/02/1990 | EP0365946A1 Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device |
| 04/25/1990 | EP0364460A1 Observation of combustion in a spark ignition internal combustion engine. |
| 04/24/1990 | US4920494 Fuel monitoring arrangement for automotive internal combustion engine control system |
| 04/24/1990 | US4919099 Combustion monitoring |
| 04/24/1990 | US4919096 Electronic throttle controlling apparatus for use in an internal combustion engine |
| 04/10/1990 | US4915072 Electronic governor interface module |
| 04/05/1990 | DE3833465A1 Method for controlling the operating performance of an internal combustion engine |
| 04/03/1990 | US4913118 Fuel injection control system for an automotive engine |
| 03/20/1990 | US4909212 Electronically controlled type throttle valve for internal combustion engines |
| 03/06/1990 | US4905649 Fuel properties detecting apparatus for an internal combustion engine |
| 03/06/1990 | US4905648 Ignition timing control appartaus for an internal combustion engine |
| 03/06/1990 | US4905509 Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine |
| 02/28/1990 | EP0355129A1 METHOD and Apparatus FOR DELIVERING AN ENGINE SHUTDOWN SIGNAL |
| 02/27/1990 | US4903669 Method and apparatus for closed loop fuel control |
| 02/27/1990 | US4903665 Air-fuel ratio control apparatus for an internal combustion engine |
| 02/27/1990 | US4903648 Engine with improved exhaust gas sensing |
| 02/27/1990 | US4903646 V-type cylinder block of internal combustion engine |
| 02/27/1990 | US4903481 Device for protecting a lambda probe |
| 02/20/1990 | US4901699 System for controlling a fuel injection quantity and method therefor |
| 02/06/1990 | US4899130 Electric desired-valve indicator |
| 01/30/1990 | US4896642 Control device for an internal combustion engine |
| 01/30/1990 | US4896640 For an internal combustion engine |
| 01/30/1990 | US4896639 Method and apparatus for engine control and combustion quality detection |
| 01/23/1990 | US4895020 Air flow rate meter for internal combustion engines |
| 01/17/1990 | EP0190206B1 Apparatus for measuring and regulating the operating data of a combustion engine |
| 01/16/1990 | US4893590 Automotive liquid-cooled electronic control apparatus |
| 01/09/1990 | US4891970 Luminosity detector for internal combustion engine, method of operating engine and method of sensing temperature |
| 01/03/1990 | EP0349496A1 A hand accelerator for tractors |
| 12/27/1989 | EP0347756A2 Control system for boost pressure in internal combustion engine with turbocharger |
| 12/27/1989 | CA1264079A1 Gated knock detector for internal-combustion engines |
| 12/20/1989 | EP0302064B1 Device for detecting the start of injection in a diesel engine |
| 12/19/1989 | US4887577 Hot-wire type air flow meter and an internal combustion engine with the same |
| 12/19/1989 | US4887575 System and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine |
| 12/19/1989 | US4887574 Control apparatus for internal combustion engines |
| 11/30/1989 | DE3916605A1 Device for the control of an air-fuel ratio for an internal combustion engine |
| 11/21/1989 | US4882530 Stepping motor control apparatus |
| 11/16/1989 | WO1989011031A1 Method of operating an engine and measuring certain engine parameters |
| 11/16/1989 | WO1989011029A1 Fuel timing control |
| 11/16/1989 | DE3905824A1 Device for detecting the pressure in a cylinder of an internal combustion engine |
| 10/24/1989 | US4875451 Diesel tune up method |
| 10/24/1989 | US4875448 Cyclic responding electronic speed governor |
| 10/17/1989 | US4873961 Air-fuel ratio control for supercharged automobile engine |
| 10/05/1989 | WO1989009333A1 Observation of combustion in a spark ignition internal combustion engine |
| 09/26/1989 | US4870586 Air-fuel ratio control system for an internal combustion engine with an engine load responsive correction operation |
| 09/26/1989 | US4869850 Rotor-type carburetor apparatus and associated methods |
| 09/26/1989 | US4869224 In-engine deposit detection apparatus for engine control system |
| 09/26/1989 | US4869094 Gas sampling valve |
| 09/05/1989 | US4862850 Idle detector for internal combustion engine |
| 08/30/1989 | EP0330233A1 Hot wire air flow meter arrangement for monitoring intake air flow rate in internal combustion engine |
| 08/29/1989 | US4860711 Engine with variable compression ratio |
| 08/22/1989 | US4858639 Current-pressure transducer, particularly for a vacuum control in automotive vehicles |
| 08/17/1989 | DE3803436A1 Method and device for determining the pull-in and release time of the tappet of a solenoid injection valve |
| 08/16/1989 | EP0327900A2 Regulating device for a combustion engine |
| 08/16/1989 | EP0327804A2 Internal-combustion engine |
| 08/15/1989 | US4856479 Ignition timing control apparatus for an internal combustion engine |
| 08/08/1989 | US4854286 Device for adapting the air/fuel metering system and the ignition system of an internal combustion engine to enable the engine to run with all normally available grades of petrol (gasoline) fuel |
| 08/03/1989 | DE3802101A1 Safety circuit |
| 08/02/1989 | EP0325587A1 Ignition and injection system for internal combustion engines. |
| 08/01/1989 | US4852535 Automatic control method for moving a final control element |
| 07/25/1989 | US4852010 Learning control method for internal combustion engines |
| 07/05/1989 | EP0322459A1 Hot wire type air flow meter |
| 07/04/1989 | CA1256998A1 Air/fuel ratio detecting apparatus for internal combustion engines |
| 06/27/1989 | US4841940 Air-fuel ratio control device of an internal combustion engine |
| 06/20/1989 | US4841451 System for measuring the duration ratio of pulses of variable frequency |
| 06/20/1989 | US4840060 Arrangement for the determination of the injection progress in an internal combustion engine |
| 06/13/1989 | US4838229 Air-fuel ratio control device of an internal combustion engine |
| 06/13/1989 | US4838022 Control system for controlling DC control motor which controls operation condition of internal combustion engine |
| 05/30/1989 | US4834051 Oxygen sensor and an air-fuel ratio control apparatus of an internal combustion engine using the same |
| 05/30/1989 | US4834050 Air-fuel ratio control device of an internal combustion engine |
| 05/30/1989 | US4833882 Exhaust manifold for multicylinder internal combustion engine |
| 05/23/1989 | US4831820 Engine with exhaust gas sensing |
| 05/18/1989 | WO1989004423A1 Method for delivering an engine shutdown signal |
| 05/16/1989 | US4829956 Method and apparatus for detecting discrete levels of detonation in an internal combustion engine |
| 05/09/1989 | US4827886 Crank angle detecting system for an internal combustion engine |
| 05/09/1989 | US4827718 Control system for controlling actuator to control operation of internal combustion engine |
| 05/05/1989 | WO1989003983A1 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 05/03/1989 | EP0172349B1 Device for improving the running behaviour of a vehicle and its internal combustion engine |
| 05/02/1989 | US4825836 Internal combustion engine with turbo-charger and knocking control system |
| 04/25/1989 | US4823904 Installation for slippage limitation, respectively, prevention of driven wheels of a motor vehicle |
| 04/18/1989 | US4821562 Signal monitoring apparatus |
| 04/18/1989 | CA1252680A1 Electric vacuum regulator |
| 04/13/1989 | DE3731984A1 Method for adaptive position control in electromechanical drives |
| 04/13/1989 | DE3731983A1 Method and position controller for the adaptive position control of an electromechanical drive affected by friction |
| 04/11/1989 | US4819601 Diagnostic system of an air-fuel ratio control device |