Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
06/1993
06/08/1993US5216916 Electronic engine power control system for a motor vehicle
06/08/1993US5216882 System for detecting deterioration of HC sensors for internal combustion engines
06/08/1993US5216880 Catalytic converter heater control system for internal combustion engine
06/03/1993DE4139561A1 Monitoring ageing state of oxygen probe connected before catalytic converter for combustion engine -
06/03/1993DE4139291A1 Driving IC engine with exhaust driven turbocharger - intermittently adding extra fuel and/or air upstream of turbine with electrically-heated catalytic firing
06/02/1993EP0543859A1 Fluid additive regulating apparatus and method
06/02/1993EP0543826A1 Process and device for driving an electromagnetic consumer.
06/01/1993US5216610 Engine rotation speed control apparatus having auxiliary air controller
06/01/1993US5215652 Mixing nonionic metallic platinum group metal complexes with feedstock stream, recycle stream and hydrogen stream, hydrogenation, depositing metal on catalyst
06/01/1993US5215068 Two cycle internal combustion engine with multple cylinder fuel injection
06/01/1993US5215062 Fuel control device and method for internal combustion engine
06/01/1993US5215061 Control system for internal combustion engines
06/01/1993US5215059 Method and system for reducing engine knock in an internal combustion engine
06/01/1993US5215055 Idle speed and fuel vapor recovery control system
06/01/1993US5215053 Fuel injection control device for an internal combustion engine
06/01/1993US5214919 Arrangement for regulating the response of an internal combustion engine with a turbo charger
06/01/1993US5214915 Method and arrangement for simulating the dynamic performance of an exhaust gas catalyzer
05/1993
05/27/1993WO1993010337A1 Operation of an internal combustion engine
05/27/1993WO1993008384A3 Air-assist fuel injection system
05/27/1993DE4238807A1 IC engine exhaust gas catalyser monitoring system - uses cross-correlation function for signals from oxygen@ sensors inserted in exhaust line before and after catalyser
05/27/1993DE4138594A1 Load setting control for turbocharged IC engine - has electric setting motor for idling regulation of throttle used to control by=pass plate for turbo-charging line
05/27/1993DE4138545A1 IC engine fuel injection system with self-regulating fuel pump - has press regulator integrated in fuel pump for adjusting feed press and electronically-controlled injection valves
05/26/1993EP0543433A1 Method and apparatus for controlling the air/fuel ratio in a diesel engine
05/26/1993EP0543255A1 Throttle valve controller for engine system
05/25/1993US5214561 Current control circuit for an electromagnetic type actuator
05/25/1993US5214340 Driver circuit for piezoelectric element, having voltage limiter capable of charging the element with energy from coil after charging switch is off
05/25/1993US5214267 Apparatus for controlling heater for heating oxygen sensor
05/25/1993US5213088 Air-fuel, ratio control device for an internal combustion engine
05/25/1993US5213084 Fuel injection system for internal combustion engines
05/25/1993US5213082 Fuel injection control system for internal combustion engine
05/25/1993US5213081 Misfire sensing apparatus for an internal combustion engine
05/25/1993US5213078 Method for determining at least one end position of a displacement device in a motor vehicle
05/25/1993US5213077 Gain adjusting device for pid controller for controlling rotational speed of internal combustion engine
05/25/1993US5213076 Apparatus and method for controlling an internal combustion engine
05/25/1993US5212947 Failure-detecting device for air-fuel ratio sensors of internal combustion engines
05/19/1993EP0542490A2 Hot wire flow rate measuring circuit
05/18/1993USRE34257 Crank angle detecting system for engines
05/18/1993US5211820 Gas analysis system for furnaces and the like
05/18/1993US5211680 Control system for engine with automatic transmission
05/18/1993US5211150 Fuel supply apparatus for internal combustion engine
05/18/1993US5211148 Method of and an apparatus for controlling assist air in an internal combustion engine
05/18/1993US5211147 Reverse stratified, ignition controlled, emissions best timing lean burn engine
05/18/1993US5211056 Thermal type intake air flow measuring instrument
05/18/1993US5211011 Control apparatus for rapidly warming up catalyst in internal combustion engine
05/18/1993CA1317830C Timing of fuel injected engine
05/13/1993WO1993009393A1 Method and apparatus for determining position of a body in cyclic movement
05/13/1993WO1993009335A1 Method for monitoring the efficiency of a catalytic converter for treating exhaust gases from an internal combustion engine
05/13/1993DE4136959A1 Rotational speed control for multicylinder IC engine - involves different ignition signal processing sequences employed before and after run-up from idling to basic speed
05/12/1993EP0451162B1 Electronic circuit arrangement
05/11/1993US5209214 Air fuel ratio control apparatus for engine
05/11/1993US5209213 Air-fuel ratio control method for internal combustion engines
05/11/1993US5209212 Exhaust-gas recirculation system for an internal combustion engine
05/11/1993US5209207 Throttle valve control system for automotive engine
05/11/1993US5209206 Air-fuel ratio control system
05/11/1993US5209205 Method and apparatus for injecting fuel into the cylinders of an engine having an injection input valve for each cylinder
05/11/1993US5209202 Method of operating an internal combustion engine
05/11/1993US5209201 Internal combustion engine
05/11/1993US5209113 Air flow meter
05/11/1993US5209060 Method for the continuous lambda control of an internal combustion engine having a catalyzer
05/06/1993DE4208033C1 Identifying and monitoring selected cylinders of IC engine - forming difference value between two RPM values of cylinders in ignition sequence
05/05/1993EP0539921A2 Control device for internal combustion engine
05/05/1993EP0406252B1 ELEMENT FOR LIMIT-CURRENT SENSORS FOR DETERMINING THE $g(l) VALUE OF A GAS MIXTURE
05/05/1993EP0044873B2 Apparatus for measuring air flow rate using hot-wire type air flowmeter
05/04/1993US5208505 Device for driving a piezoelectric element
05/04/1993US5207990 Exhaust gas purifying device for internal combustion engine
05/04/1993US5207207 Carburetor metering and hot air dilution system
05/04/1993US5207206 Method for controlling the supercharge pressure in internal combustion engine
05/04/1993US5207200 Misfiring sensing apparatus for an internal combustion engine
05/04/1993US5207199 Electronic fuel-injection device having read/write memory for storing actuator correction value
05/04/1993US5207198 System for controlling the fuel quantity of internal combustion engines
05/04/1993US5207186 Arrangement for mounting an electronic control unit on an engine
05/04/1993US5207094 Method and apparatus for controlling the temperature of a heated measuring resistor
05/04/1993US5207093 Failure diagnosis device for an EGR control system
05/04/1993US5207091 Control system with malfunction detecting device for use in motor vehicle
05/04/1993US5207058 Internal combustion engine
05/04/1993US5207057 Air-fuel ratio control device for an engine
05/04/1993US5207056 Method and arrangement for controlling the fuel for an internal combustion engine having a catalyzer
04/1993
04/29/1993WO1993008515A1 Knowledge-based control and regulation device
04/29/1993WO1993008384A2 Air-assist fuel injection system
04/29/1993WO1993008383A1 Exhaust and purification device for internal combustion engine
04/29/1993DE4215949C1 Fuel control system for IC engine - incorporates vapour separator and storage tank and regulating valves controlling admission of liq. petrol and vapour to manifold.
04/28/1993EP0539241A1 Control system for internal combustion engines with gas recirculation systems
04/28/1993EP0538890A2 Control device for internal combustion engine
04/27/1993USRE34234 Control apparatus for internal combustion engines
04/27/1993US5205262 Fuel injection pump for internal combustion engines
04/27/1993US5205260 Method for detecting cylinder air amount introduced into cylinder of internal combustion engine with exhaust gas recirculation system and for controlling fuel injection
04/27/1993US5205255 Starting time engine speed control device
04/27/1993US5205254 Air fuel injector and control
04/27/1993US5205253 Engine operation interrupt using engine operating parameters
04/27/1993US5205152 Engine operation and testing using fully flexible valve and injection events
04/27/1993US5205120 Mixture-compressing internal-combustion engine with secondary-air injection and with air-mass metering in the suction pipe
04/27/1993CA1316779C Method of controlling supercharging pressure in internal combustion engines
04/22/1993DE4234841A1 Exhaust gas feedback control for diesel engine - controls throttle to allow regeneration of particle filter in exhaust line
04/22/1993DE4134591A1 Controller for motor vehicle IC engine - contains engine speed and wheel slip sensors and suppresses faulty combustion detection when wheel slip occurs
04/22/1993DE4134304A1 Controlling solenoid valves in fuel injection system - calculating control signal from stored factor depending on measured engine parameters
04/22/1993DE4133679A1 Verfahren zur adaption von mechanischen toleranzen eines geberrades A method for adaptation of mechanical tolerances of a wheel encoder
04/22/1993DE3990872C2 Fail-safe device for engine temperature sensor
04/21/1993EP0537794A2 Adaptive control system and method for an internal combustion engine
04/21/1993EP0537179A1 A method and a device for regulation of a turbo-charging device.
04/21/1993EP0440757B1 Process and device for checking the operability of an exhaust gas probe heater and its supply system