| Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958) |
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| 05/14/1991 | US5014674 Fuel vapor control for automotive vehicle engine |
| 05/14/1991 | US5014672 Fuel supply controller for an internal combustion engine |
| 05/14/1991 | US5014668 Method and system for adjusting the lambda value |
| 05/14/1991 | US5014550 Method of processing mass air sensor signals |
| 05/14/1991 | US5014548 Method and apparatus for detecting deterioration of sucked air flow quantity-detecting device of engine |
| 05/14/1991 | US5014511 Filtration system for diesel engine exhaust-II |
| 05/10/1991 | CA2029396A1 Two-stroke-cycle engine with variable valve timing |
| 05/09/1991 | WO1991013249A1 Method and device for control of the richness of the air/fuel feed mixture of an internal combustion engine |
| 05/08/1991 | EP0425798A2 Fuel injection control apparatus and method for a diesel engine |
| 05/08/1991 | DE4033574A1 Automobile control system modified for each driver - supplies required control characteristic information from memory dependent on identified driver |
| 05/07/1991 | US5013955 Drive system of actuator having piezoelectric device for use in motor vehicle |
| 05/07/1991 | US5012882 Driving wheel slip control system for vehicles |
| 05/07/1991 | US5012780 Stand alone fuel injection system |
| 05/07/1991 | CA2028498A1 Integrated induction system |
| 05/02/1991 | WO1991006002A1 Electro-chemical measuring sensor for determining the oxygen content of gases |
| 05/02/1991 | EP0425199A2 Motor vehicle control system and control unit thereof |
| 05/02/1991 | EP0424917A2 System for identifying misfire cylinder in internal combustion engine |
| 05/02/1991 | EP0424883A2 Motor vehicle transmission system |
| 05/02/1991 | EP0424630A2 Method and apparatus for detecting combustion condition in an internal combustion engine and method and apparatus for controlling an internal combustion engine by using the above method and apparatus |
| 04/30/1991 | US5012422 Controlling engine fuel injection |
| 04/30/1991 | US5012421 Vehicle control apparatus |
| 04/30/1991 | US5012419 System and method for automatically controlling vehicle speed to desired cruise speed |
| 04/30/1991 | US5012418 Vehicle operating and speed regulating device |
| 04/30/1991 | US5010866 Nonlinear feedback control method and apparatus for an internal combustion engine |
| 04/30/1991 | US5010863 Apparatus for preventing engine from stalling |
| 04/30/1991 | US5010862 Method for controlling the quantity of intake air supplied to an internal combustion engine |
| 04/25/1991 | DE3934586A1 Elektrochemischer messfuehler Electrochemical measurement sensor |
| 04/25/1991 | DE3934263A1 Measuring mass of air sucked into combustion chamber of IC engine - measuring change in air mass in defined vol in defined period and subtracting from flow into induction system during that period |
| 04/24/1991 | EP0423909A2 Supercharger control device |
| 04/24/1991 | EP0423792A2 Air/fuel ratio feedback control system for internal combustion engine |
| 04/24/1991 | EP0423636A1 Pressure-responsive fuel delivery system |
| 04/24/1991 | EP0423494A1 Process and device for verifying the operation of sensors in a vehicle |
| 04/24/1991 | EP0423376A1 Error detection device for each cylinder in fuel supply control device for internal combustion engine, learning device for each cylinder and diagnostic device for each cylinder |
| 04/23/1991 | US5009211 Fuel injection controlling device for two-cycle engine |
| 04/23/1991 | US5009210 Air/fuel ratio feedback control system for lean combustion engine |
| 04/23/1991 | US5009203 Control method for valve-timing changeover in engine |
| 04/18/1991 | WO1991005297A1 Process for regulating a setting system subject to friction |
| 04/18/1991 | WO1991005160A1 Apparatus for controlling the occurrence of engine knocking |
| 04/18/1991 | WO1991005155A1 Process and device for controlling the air supply to an internal combustion engine |
| 04/18/1991 | WO1991005154A1 Ratiometric signal correction system for a vehicle electronic control system |
| 04/18/1991 | WO1991005153A1 Process for operating an internal combustion engine |
| 04/18/1991 | DE3932636A1 Speed regulator-governor for vehicle - responds to identified frequency components to improve comfort level |
| 04/17/1991 | EP0422502A1 Air intake control system for an internal combustion engine |
| 04/16/1991 | US5008824 Into a internal combustion engine |
| 04/16/1991 | US5007399 Method and apparatus for self-diagnosis of air leakage in control system of internal combustion engine |
| 04/16/1991 | US5007398 Alcohol sensor failure detection system for internal combustion engine |
| 04/16/1991 | US5007390 Starting fuel supplying device for internal combustion engine |
| 04/16/1991 | US5007237 Diesel internal combustion engine with temperature-dependent adjustment of start of fuel injection |
| 04/11/1991 | DE4030818A1 Vehicular wheel-slip controller with juxtaposition of levers - has pressure lever brought closer to throttle-linked levers as deg. of slip approaches threshold value |
| 04/11/1991 | DE4030433A1 Cylinder recognition device for multi-cylinder IC engine - uses opto-electronic coupler to detect phase of rotation of disc corresp. to transmission of second pulse |
| 04/11/1991 | DE3932304A1 Controlling temp. of measurement resistance - is for measuring engine induced air flow, involves heating above operating temp. during no-flow phases |
| 04/09/1991 | US5005552 Exhaust gas recirculation system of engine |
| 04/09/1991 | US5005549 Method and apparatus for recognizing a faulty combustion in an internal combustion engine |
| 04/09/1991 | US5005539 Engine cycle control system |
| 04/09/1991 | US5005359 Air supply control systems for turbocharged internal combustion engines |
| 04/09/1991 | CA1282655C Regulation for a gas engine |
| 04/04/1991 | WO1991004401A1 Process for adjusting quantities of air and fuel in a multi-cylinder internal combustion engine |
| 04/04/1991 | WO1991004400A1 Supervisory system for a vehicle accelerator pedal travel transducer |
| 04/04/1991 | WO1991004398A1 Method of variably controlling oil feed rate in electronically controlled distribution type fuel injection pump |
| 04/04/1991 | WO1991004394A1 Process and device for cleaning a soot filter |
| 04/04/1991 | DE4029976A1 Operating-characteristic controller for vehicle - achieves transition between sensed and desired characteristics in two stages, evaluating driver's response to first change |
| 04/03/1991 | EP0420641A1 Heat-insulating engine with swirl chamber |
| 04/03/1991 | EP0420456A1 Heat-insulating swirl chamber engine |
| 04/03/1991 | EP0420442A2 Method and apparatus for determining air mass in an engine |
| 04/03/1991 | EP0420288A2 Fuel injection control apparatus of two-stroke engine |
| 04/03/1991 | EP0419808A2 Method for driving a throttle in the exhaust pipe of an injected air compressing combustion engine |
| 04/03/1991 | EP0419553A1 Method of operating an engine and measuring certain engine parameters |
| 04/03/1991 | EP0419549A1 An arrangement for restricting the temperature of combustion engine exhaust gases. |
| 04/03/1991 | EP0347446B1 Process and device for regulating the air feed in an internal combustion engine, in particular during idling and coasting |
| 04/03/1991 | EP0347441B1 Process and device for monitoring a set value indicator of a drive motor |
| 04/02/1991 | US5005129 Diagnosis system for a motor vehicle |
| 04/02/1991 | US5003956 Electronic fuel injection control system for a multi-fuel internal combustion engine and method therefore |
| 04/02/1991 | US5003955 Method of controlling air-fuel ratio |
| 04/02/1991 | US5003954 Fail-safe device for temperature sensors |
| 04/02/1991 | US5003953 Transient fuel injection |
| 04/02/1991 | US5003952 Sequential variable fuel injection |
| 04/02/1991 | US5003951 Control apparatus for internal combustion engine |
| 04/02/1991 | US5003950 Apparatus for control and intake air amount prediction in an internal combustion engine |
| 04/02/1991 | US5003948 Stepper motor throttle controller |
| 04/02/1991 | US5003947 Arrangement for apportioning the idling air of internal-combustion engines |
| 04/02/1991 | US5003944 A fuel injection system for and engine of an automotive vehicle |
| 04/02/1991 | US5003933 Integrated induction system |
| 04/02/1991 | US5003816 Engine idling control apparatus |
| 04/02/1991 | US5003781 Air supply and exhaust control systems for turbocharged internal combustion engines |
| 03/28/1991 | DE3931308A1 Controlling temp. of heated measuring resistor - taking into account change in working temp. during evaluation of measuring voltage |
| 03/27/1991 | EP0419102A1 Idle control system for and engine |
| 03/27/1991 | EP0418713A2 Conversion kit for a controlled catalyst |
| 03/27/1991 | EP0211076B1 Compound rotary-reciprocal engine |
| 03/26/1991 | US5003479 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5003478 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5003477 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5002031 Fuel control apparatus for an internal-combustion engine |
| 03/26/1991 | US5002027 Method for controlling the no-load speed of an internal combustion engine |
| 03/26/1991 | US5002026 Engine idle speed control apparatus |
| 03/26/1991 | US5001943 Slippage preventing apparatus for a vehicle with an automatic transmission |
| 03/26/1991 | CA1282179C Method for buffered serial peripheral interface (spi) in a serial data bus |
| 03/26/1991 | CA1282124C High speed data-clock synchronization processor |
| 03/21/1991 | WO1991003637A1 Fuel-injection system for an air-compression internal-combustion engine |
| 03/21/1991 | WO1991003636A1 Process and device for checking the operability of an exhaust gas probe heater and its supply system |
| 03/21/1991 | DE4028325A1 Ignition timing circuit for engine - adjusts timing when fuel mixture is enriched for higher loads |