Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
04/1990
04/19/1990WO1990004090A1 Process and device for recognizing and/or handling stereo-lambdaregulation errors
04/19/1990DE3834987A1 Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen Sensor element for cross-current sensors for determination of (lambda) value of gas mixtures
04/19/1990DE3834711A1 Verfahren und vorrichtung zur fehlererkennung und/oder fehlerbehandlung bei stereo-lambdaregelung Method and apparatus for error detection and / or error handling in stereo lambda control
04/18/1990EP0364081A1 Failsafe method in connection with valve timing-changeover control for internal combustion engines
04/18/1990EP0363958A2 Method and apparatus for controlling the fuel injection for internal combustion engines
04/17/1990US4917208 Engine brake control device
04/17/1990US4917206 Apparatus for automotive vehicle speed control
04/17/1990US4917067 System for controlling air-fuel ratio of combustible mixture fed to internal combustion engine
04/17/1990US4917063 Method for setting the vehicle-engine torque
04/17/1990US4917057 Control method for valve-timing changeover in engine
04/17/1990US4916897 Exhaust gas purifying apparatus built-in to a muffler for a diesel engine
04/12/1990DE3933295A1 Einrichtung zur bestimmung von regelcharakteristiken fuer kraftfahrzeuge Means for determination of control characteristics for motor vehicles
04/11/1990EP0363010A1 Engine control device
04/11/1990EP0362280A1 Cold start fuel enrichment circuit
04/11/1990EP0362266A1 Turbo motor control system.
04/10/1990US4916618 Vehicle traction controller
04/10/1990US4915082 Air-fuel ratio controller of internal combustion engine
04/10/1990US4915081 Method of determining activation of exhaust gas ingredient-concentration sensors for internal combustion engines
04/10/1990US4915080 Electronic air-fuel ratio control apparatus in internal combustion engine
04/10/1990US4915079 Adaptive control system for an internal combustion engine and method of operating an internal combustion engine
04/10/1990US4915078 Fuel injection control device of an internal combustion engine
04/10/1990US4915077 Air-fuel ratio control apparatus
04/10/1990US4915076 Internal combustion engine output torque control system
04/10/1990US4915072 Electronic governor interface module
04/10/1990US4914954 Control device
04/05/1990WO1990003570A1 A magerast-type probe for determining the oxygen concentration in exhaust gases
04/05/1990WO1990003508A1 Method and device for sensing the direction of crankshaft rotation in a diesel engine
04/05/1990DE3833465A1 Method for controlling the operating performance of an internal combustion engine
04/05/1990DE3832727A1 Device for controlling the idling speed of an internal combustion engine as a function of the battery voltage
04/04/1990EP0361654A1 Fuel injection control system
04/04/1990EP0361057A2 A device and a method for the detection of knocking in Otto engines
04/04/1990EP0360826A1 Device for controlling technical installations and machines.
04/03/1990US4914597 Engine cruise control with variable power limits
04/03/1990US4914595 System and method for automatically controlling vehicle speed to a desired cruising speed
04/03/1990US4913260 Gas silencing system with controlling sound attenuation
04/03/1990US4913251 Control device
04/03/1990US4913122 Air-fuel ratio control system
04/03/1990US4913121 Fuel controller
04/03/1990US4913120 Air-fuel ratio feedback control method for internal combustion engines
04/03/1990US4913118 Fuel injection control system for an automotive engine
04/03/1990US4913117 Control apparatus of an internal combustion engine
04/03/1990US4913099 Fuel injection control apparatus
04/03/1990US4912975 Direct-heated flow measuring apparatus having improved response characteristics
04/03/1990US4912968 Method for adjusting a travel transducer
04/03/1990US4912967 Device for detecting a bad road from a moving vehicle
04/03/1990US4912926 Air/fuel ratio control system for internal combustion engine
03/1990
03/31/1990WO1990005840A1 Process and device for establishing at least one threshold voltage for a lambda closed-loop control
03/29/1990DE3832567A1 Method and device for safety deactivation of the quantity control mechanism in injection pumps for diesel combustion engines
03/29/1990DE3832536A1 Idle-speed control for a spark ignition engine
03/29/1990DE3832391A1 Control device for the reduction of vehicle oscillations
03/28/1990EP0360528A2 Engine controller
03/28/1990EP0360278A2 Electronic controlled fuel supply system for high pressure injector
03/28/1990EP0360193A2 Method for controlling air-fuel ratio for use in internal combustion engine and apparatus for controlling the same
03/28/1990EP0360040A2 Assist air supply sytem for internal combustion engine
03/28/1990EP0359791A1 Process and system for adjusting the lambda value.
03/28/1990EP0298960B1 Process and digital control unit for determining and controlling pulse-width modulated operating values in an internal combustion engine
03/27/1990US4911133 Fuel injection control system of automotive engine
03/27/1990US4911132 Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand
03/27/1990US4911131 Fuel control apparatus for internal combustion engine
03/27/1990US4911130 Air-fuel ratio controller of internal combustion engine
03/27/1990US4911129 Air/fuel mixture ratio control system in internal combustion engine with _engine operation range dependent _optimum correction coefficient learning feature
03/27/1990US4911128 Fuel controller for an internal combustion engine
03/27/1990US4911125 Method and apparatus for controlling throttle valve in internal combustion engine
03/22/1990WO1990002874A1 Engine misfire detection and engine exhaust systems
03/22/1990WO1990002873A1 Electronic engine control with performance check for the final ignition stage
03/22/1990WO1990002872A1 Method and apparatus for controlling a solenoid operated fuel injector
03/22/1990WO1990002871A1 Engine misfire detection and engine exhaust systems
03/22/1990DE3830515A1 Method for checking the functioning of the exhaust catalyser of an internal combustion engine
03/21/1990EP0359405A1 Vehicle traction control apparatus and method
03/21/1990EP0359363A1 Control method for valve-timing changeover in engine
03/21/1990EP0359208A1 Air-fuel ratio controller for internal combustion engine
03/21/1990EP0358972A1 An electrical circuit, particularly an electronic power circuit for motor vehicle injection systems, with a function for the detection and diagnosis of faults, and method related thereto
03/21/1990EP0358636A1 Closed end fuel injection system
03/20/1990US4910678 Failure memory device
03/20/1990US4910494 Automotive vehicle control system
03/20/1990US4910366 Engine idle position detecting switch
03/20/1990US4909225 Multi-fuel engine control with fuel transition delay
03/20/1990US4909224 Electronic controller for internal combustion engine
03/20/1990US4909223 Air-fuel ratio control apparatus for multicylinder engine
03/20/1990US4909217 Electronic-type engine control method
03/20/1990US4909215 Arrangement for prevention of troublesome load change shocks in a vehicle combustion engine
03/20/1990US4909213 Arrangement for adjusting an operating characteristic quantity of an internal combustion engine
03/20/1990US4909212 Electronically controlled type throttle valve for internal combustion engines
03/20/1990US4909194 In an internal combustion engine
03/20/1990CA1266903A1 Control system for internal combustion engines
03/15/1990DE3830687A1 Calibrating method for a controller for controlling the air ratio of gas engines
03/14/1990EP0358419A2 Control system for an internal combustion engine
03/14/1990EP0358167A2 Torque control system for engine performance test machine for internal combustion engines
03/14/1990EP0358062A2 Method of controlling air-fuel ratio for use in internal combustion engine and apparatus of controlling the same
03/13/1990US4908765 Air/fuel ratio controller for engine
03/13/1990US4908764 System and method for automatically controlling a vehicle speed to a desired cruising speed
03/13/1990US4907558 Engine control apparatus
03/13/1990US4907557 Fuel injection system for internal combustion engine
03/13/1990US4907556 Electronic control system for internal combustion engine
03/13/1990US4907549 Scavenging system for a two-stroke-cycle engine
03/13/1990US4907409 Supercharging pressure control method for internal combustion engines
03/08/1990WO1990002258A1 Device for regulating an operating parameter of an internal combustion engine
03/08/1990WO1990002257A1 Engine output controller in a caterpillar vehicle
03/07/1990EP0357588A2 Controller for vehicles with internal-combustion engines
03/07/1990EP0356469A1 Fuel injection pump for internal combustion engines.