| Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958) |
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| 01/20/1994 | DE4215107C1 Control system for fuel-injected IC engine - calculates required fuel quantity from accelerator pedal position, in turn used to calculate air intake mass flow rate |
| 01/19/1994 | EP0579271A1 Method for detecting misfiring in an internal combustion engine |
| 01/19/1994 | EP0579218A1 Method for controlling an intake air supply to an internal combustion engine and an intake air control system therefor |
| 01/19/1994 | EP0470960B1 Process and device for checking the controllability of a tank ventilation valve |
| 01/19/1994 | EP0441908B1 Process for adjusting quantities of air and fuel in a multi-cylinder internal combustion engine |
| 01/19/1994 | EP0366743B1 Regulating device for injection pump for injection engines, in particular diesel engines |
| 01/18/1994 | US5279275 Process for operating an internal combustion engine |
| 01/18/1994 | US5279272 Method and apparatus for controlling fuel injection valves in an internal combustion engine |
| 01/18/1994 | US5279271 Control system for an internal combustion engine and/or motor vehicle |
| 01/18/1994 | US5279145 Heater control device for an air-fuel ratio sensor |
| 01/18/1994 | US5279116 Device for determining deterioration of a catalytic converter for an engine |
| 01/18/1994 | US5279115 Device for detecting the degree of deterioration of a catalyst |
| 01/18/1994 | US5279114 Apparatus for detecting deterioration of catalyst of internal combustion engine |
| 01/18/1994 | CA1326181C Control method for valve-timing changeover in engine |
| 01/13/1994 | DE4322679A1 Vehicle IC engine timing control system - has slotted discs on crankshaft and on camshaft with processor identification of cylinders. |
| 01/13/1994 | DE4223954C1 Heating element controller for automobile engine - responds to sensor signals indicating seat belt closure, occupation of vehicle driving seat, or closure of all vehicle doors. |
| 01/13/1994 | DE4222693A1 Electronic control for IC engine - has controlled enrichment of fuel-air mixture and with threshold values in the exhaust sensing circuit to regulate mixture reduction |
| 01/13/1994 | DE4221674A1 Verfahren und Vorrichtung zur Steuerung einer Verstelleinrichtung in einem Fahrzeug Method and apparatus for controlling an adjustment device in a vehicle |
| 01/11/1994 | US5278762 Engine control apparatus using exhaust gas temperature to control fuel mixture and spark timing |
| 01/11/1994 | US5278760 Method and system for detecting the misfire of an internal combustion engine utilizing engine torque nonuniformity |
| 01/11/1994 | US5277165 Stratified charge internal combustion engine with fuel injection time controlling function |
| 01/11/1994 | US5277164 Method and apparatus for control of engine fuel injection |
| 01/11/1994 | US5277163 Fuel-injection device |
| 01/11/1994 | US5277161 Engine controller |
| 01/11/1994 | US5277156 Common-rail fuel injection system for an engine |
| 01/06/1994 | WO1994000682A1 Motor vehicle control device |
| 01/05/1994 | EP0577477A1 Fuel injection system for internal combustion engine |
| 01/05/1994 | DE4322361A1 IC engine exhaust control system with catalyser - monitors exhaust gases on either side of catalyser and controls inlet mixture with processor control |
| 01/05/1994 | DE4322341A1 Control system for catalyser in vehicle exhaust - monitors saturation of the gases through catalyser relative to changes in the fuel-air mixture |
| 01/05/1994 | DE4321243A1 IC engine exhaust air=fuel ratio sensor with oxygen concn. cell solid electrolyte and pump - controls supply of heater power on condition that pump current is interrupted and removes condition after period of time period after supply of power. |
| 01/05/1994 | DE4321212A1 Timing control for four-stroke IC engine with odd number of cylinders - has control signals generated from uniformly spaced signals generator and non-uniformly spaced signals generator |
| 01/05/1994 | DE4320880A1 Controlled air supply to catalyser in vehicle exhaust pipe - has heated and pumped airflow with control valve to restrict airflow during start-up |
| 01/05/1994 | DE4221891A1 Measuring angular errors on transducer wheels for measuring vehicle IC engine speed - measuring time of passage of complete transducer wheel to provide reciprocal of speed, dividing by number of segments, and comparing with actual time for passage of one segment to derive correction factor. |
| 01/05/1994 | DE4221768A1 Electronic servo control for throttle return - has self-adjusting control with correction signal added to position control signal |
| 01/05/1994 | DE4221065A1 Control circuit for vehicle electronic throttle setting - has self-analysis with programmed control function and with error level signals |
| 01/05/1994 | DE4221060A1 Vehicle erroneous processor signals filtering device - has signals derived from monitors passed thorough line of filters with signal processed through monitoring circuit after each tapping |
| 01/04/1994 | US5276619 Electronic control system with self-diagnostic function for use in motor vehicle |
| 01/04/1994 | US5275144 Evaporative emission system diagnostic |
| 01/04/1994 | US5275143 Method for reducing the fuel supply for one engine cylinder |
| 01/04/1994 | US5275142 Air-fuel ratio optimization logic for an electronic engine control systems |
| 12/29/1993 | EP0576334A1 Cylinder discriminating method for the controlling of an electronic injection system of an internal combustion engine |
| 12/29/1993 | EP0575939A1 Internal combustion engine, charge-forming system thereof and method for operating said engine |
| 12/29/1993 | EP0575635A1 Measurement of the pulsating air mass flow in the intake duct of an internal combustion engine |
| 12/28/1993 | US5274559 Method for predicting a future value of measurement data and for controlling engine fuel injection based thereon |
| 12/28/1993 | US5273020 Fuel vapor purging control system for automotive vehicle |
| 12/28/1993 | US5273019 Apparatus with dynamic prediction of EGR in the intake manifold |
| 12/28/1993 | US5273018 Evaporation fuel control apparatus of engine |
| 12/28/1993 | US5272873 Evaporative emission control system for internal combustion engines |
| 12/28/1993 | US5272872 Method and apparatus of on-board catalytic converter efficiency monitoring |
| 12/23/1993 | WO1993025811A1 Method of detecting misfire by utilizing variation of rotation of crankshaft |
| 12/23/1993 | WO1993025810A1 Method of detecting misfire by utilizing variation of rotation of crankshaft |
| 12/23/1993 | WO1993025806A1 Exhaust emission control system for internal combustion engine |
| 12/23/1993 | WO1993025805A1 Exhaust emission control system for internal combustion engine |
| 12/23/1993 | DE4320028A1 Control device for vehicle IC engine cylinder ignition timing and fuel supply - provides internal reference position signal for detection of abnormal cylinder identification signal |
| 12/23/1993 | DE4318501A1 Diagnosis appts. for testing combustion conditions of multicylinder IC engine - measures revolution rate for each cylinder and computes state parameter deviations using stored function patterns |
| 12/23/1993 | DE4304779A1 Drive torque control for motor vehicle - monitors drive train operating condition and feeds signals to electronic controller to maintain correct condition |
| 12/23/1993 | DE4239357C1 Thermal regeneration of particle filter - for filtering exhaust gas from diesel engine driving generator |
| 12/23/1993 | DE4220286A1 Functional testing of control element in motor vehicle, esp. idling positioning element - varying parameter without adjusting control element and then adjusting element according to resulting change and checking functional relationship |
| 12/23/1993 | DE4220247A1 Steuereinrichtung für Fahrzeuge Control apparatus for vehicles |
| 12/23/1993 | DE4220246A1 Control device for vehicle throttle-setting mechanism - has position of throttle indicated by measuring element and stepping counter compared with accelerator pedal position for plausibility check |
| 12/23/1993 | DE4219669A1 Control unit calculating values for repetitive processes, esp. ignition, fuel injection and braking - uses microcomputer with interface supplying data bus of motor vehicle |
| 12/22/1993 | EP0575197A1 Throttle sensor system |
| 12/21/1993 | US5271374 Air-fuel ratio controller for engine |
| 12/21/1993 | US5271368 Fuel control system for engine |
| 12/21/1993 | US5271366 Fuel injection system |
| 12/21/1993 | US5271362 Two-stroke engine |
| 12/21/1993 | US5271358 Fuel injection system for engine |
| 12/21/1993 | US5271223 Exhaust gas purifying device of an engine |
| 12/16/1993 | DE4318640A1 Monitoring system for leakage of exhaust gas pipes at IC engines - uses at least two lambda probes arranged at distance from each other within gas exhaust section and their output signals are led to control unit. |
| 12/16/1993 | DE4318639A1 Monitoring leakage from exhaust gas pipes of IC engines - using lambda probe and measuring amplitude of pulsation frequencies in output signal of probe and producing fault signal on exceeding threshold amplitude. |
| 12/15/1993 | EP0573672A1 Exhaust emission control device in internal combustion engine |
| 12/15/1993 | EP0573437A1 Device for determining the start of injection in a fuel-injection valve. |
| 12/15/1993 | EP0404763B1 Cylinder recognition apparatus for a distributorless ignition system |
| 12/14/1993 | US5270935 Engine with prediction/estimation air flow determination |
| 12/14/1993 | US5269279 Evaporating fuel control device for vehicles |
| 12/14/1993 | US5269274 Method and device for an open-loop control system for an internal combustion engine |
| 12/14/1993 | US5269272 Engine idling speed control apparatus |
| 12/14/1993 | US5269271 Apparatus for controlling speed of internal combustion engine |
| 12/14/1993 | CA1325174C Two stroke cycle internal combustion engines |
| 12/09/1993 | WO1993024747A1 Oxygen sensor monitoring |
| 12/08/1993 | EP0572707A1 Method of control of internal combustion engine with exhaust gas recirculation |
| 12/08/1993 | EP0572584A1 TRANSMITTER ARRANGEMENT FOR CYLINDER RECOGNITION IN AN INTERNAL COMBUSTION ENGINE WITH n CYLINDERS. |
| 12/08/1993 | EP0505356A4 Two-cycle engine with electronic fuel injection |
| 12/07/1993 | US5268842 Electronic control of engine fuel injection based on engine duty cycle |
| 12/07/1993 | US5267548 Method of adaptive precontrol/feedback control of air/fuel mixtures |
| 12/07/1993 | US5267546 For an internal combustion engine |
| 12/07/1993 | US5267544 Crank angle and cylinder number detecting system and method for internal combustion engine |
| 12/07/1993 | US5267542 Electronic control module |
| 12/07/1993 | US5267541 Control device for a variable displacement engine |
| 12/02/1993 | DE4316392A1 Metering of fuel with extra air addition for IC engine - using valve in filter tank opening to allow extra air in under certain engine operating conditions |
| 12/01/1993 | EP0571931A1 Throttle control apparatus for internal combustion engine |
| 12/01/1993 | EP0571437A1 Fuel rail assembly having self-contained electronics. |
| 12/01/1993 | EP0571413A1 Fuel rail having rolling ball fuel injectors. |
| 12/01/1993 | EP0558591A4 A dual fuel injection system and a method of controlling such a system |
| 12/01/1993 | EP0469731B1 AMT cruise control mode shift logic |
| 11/30/1993 | US5267163 Method for detecting blending ratio of mixed fuel to be supplied to combustion chamber of internal combined engine |
| 11/30/1993 | US5266083 Method for reducing pollution emissions from a diesel engine |
| 11/30/1993 | US5265693 Integrated traction control system |
| 11/30/1993 | US5265644 Fuel pressure regulator |
| 11/30/1993 | US5265581 Air-fuel ratio controller for water-cooled engine |