Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
01/1990
01/16/1990US4893602 Process for fuel metering
01/16/1990US4893600 Adaptive control for an internal combustion engine
01/16/1990US4893599 Manual bypass for an electronic fuel injector
01/16/1990US4893590 Automotive liquid-cooled electronic control apparatus
01/16/1990US4893502 Angle sensor for throttle valve of internal combustion engine
01/16/1990US4893501 Throttle valve opening degree detecting system for controlling an internal combustion engine
01/11/1990WO1990000225A1 Adaptive process and device for fuel tank ventilation with lambda regulation
01/11/1990DE3922262A1 Wheel slip control device in motor vehicles
01/11/1990DE3823182A1 Circuit arrangement for short circuit monitoring
01/11/1990DE3822844A1 Method and circuit arrangement for automatically recognising whether a motor vehicle is equipped with an automatic transmission or with a shift transmission
01/11/1990DE3821740A1 Independent cylinder control of the ignition/fuel injection in internal combustion engines
01/10/1990EP0350295A2 Vehicle control apparatus
01/10/1990EP0350082A2 Fail-safe and back-up method and apparatus for an engine with self ignition
01/10/1990EP0349994A1 Jolt control system for drive system
01/10/1990EP0349811A1 Feed-back control system for a combustion engine
01/09/1990US4893243 Control device for maintaining constant speed of an automobile
01/09/1990US4892078 Fuel supply quantity control method for internal combustion engine
01/09/1990US4892077 Fuel injection control method for internal combustion engines
01/09/1990US4892076 Fuel supply control system for internal combustion engines
01/09/1990US4892072 System for measuring amount of air introduced into combustion chamber of internal combustion engine with avoiding influence of temperature dependent air density variation and pulsatile air flow
01/09/1990US4891947 Method of controlling supercharging pressure in internal combustion engines
01/09/1990US4891946 Apparatus for control of operational characteristics of supercharger in internal combustion engine
01/08/1990EP0351429A4 Rotation speed regulator for heat engine.
01/04/1990DE3919877A1 Control system for an internal combustion engine
01/03/1990EP0348732A2 Rotational-speed synchronisation method
01/03/1990EP0348449A1 User modifiable fuel injection computer
01/03/1990EP0348441A1 Control device for internal combustion engines
01/02/1990US4891122 Air fuel ratio detecting device
01/02/1990US4891121 Internal combustion engines
01/02/1990US4890593 Fuel injection control system for an internal combustion engine
01/02/1990US4890590 Fail-safe method and apparatus for internal combustion engines
12/1989
12/28/1989WO1989012739A1 An arrangement for restricting the temperature of combustion engine exhaust gases
12/28/1989WO1989012738A1 Injection and ignition in fuel injected spark ignition engines
12/28/1989WO1989012737A1 A method and device for lambda control with several probes
12/28/1989WO1989012734A1 Supercharging method and apparatus using tailored boost pressure
12/28/1989DE3821286A1 Equipment for reference voltage compensation, especially in a control system for an internal combustion engine
12/27/1989EP0347756A2 Control system for boost pressure in internal combustion engine with turbocharger
12/27/1989EP0347446A1 Process and device for regulating the air feed in an internal combustion engine, in particular during idling and coasting
12/27/1989EP0347441A1 Process and device for monitoring a set value indicator of a drive motor
12/27/1989EP0284606B1 Device for resetting computer equipment
12/27/1989CA1264079A1 Gated knock detector for internal-combustion engines
12/26/1989US4889101 Arrangement for calculating the fuel injection quantity for an internal combustion engine
12/26/1989US4889100 Fuel injection control system for multi-cylinder internal combustion engine with feature of improved response characteristics to acceleration enrichment demand
12/26/1989US4889099 Air/fuel mixture ratio control system for internal combustion engine with feature of learning correction coefficient including altitude dependent factor
12/26/1989US4889098 Air-fuel ratio detecting apparatus for an internal combustion engine equipped with a heater controller
12/26/1989US4889097 Electronic fuel control device and method
12/26/1989US4889094 Method for recognizing the power stroke of a cylinder of an internal combustion engine
12/21/1989DE3820672A1 Control circuit for regulating the coil current of electromagnets
12/20/1989EP0347218A2 Air flow metering apparatus for internal combustion engines
12/20/1989EP0346764A2 Apparatus for controlling throttle actuator
12/20/1989EP0302064B1 Device for detecting the start of injection in a diesel engine
12/20/1989EP0293367B1 Device for adjusting the smooth running of internal combustion engines
12/20/1989CN2049681U Gesoline economizer for depressing and sliding of vehicle
12/19/1989US4888697 Electronic control apparatus with defined reset function
12/19/1989US4887577 Hot-wire type air flow meter and an internal combustion engine with the same
12/19/1989US4887576 Method of determining acceptability of an exhaust concentration sensor
12/19/1989US4887575 System and method for controlling a mixture ratio of air-fuel mixture supplied to an internal combustion engine
12/19/1989US4887574 Control apparatus for internal combustion engines
12/19/1989US4887573 Ignition timing adjusting apparatus for internal combustion engine
12/19/1989US4887570 System for regulating the idling speed of rotation of an internal combustion engine
12/19/1989US4887569 Electrostrictive actuator device and fuel injection device using same
12/19/1989US4887462 Air flow rate meter
12/14/1989DE3819593A1 Circuit arrangement for an electric actuator
12/13/1989EP0345942A2 Adaptive control system for an internal combustion engine and method of operating an internal combustion engine
12/13/1989EP0345814A2 Electric control apparatus for automobile and method of compensating for time delay of measured data
12/13/1989EP0345524A1 Apparatus for estimating intake air amount
12/13/1989EP0331698A4 Exhaust gas treatment for a two stroke engine.
12/12/1989US4887216 Method of engine control timed to engine revolution
12/12/1989US4887215 Method of examining operation of electronic control system for internal combustion engines
12/12/1989US4886140 Device for controlling the drive torque of a motor vehicle
12/12/1989US4886035 Air-fuel ratio control method for an internal combustion engine
12/12/1989US4886034 Internal combustion engine control system
12/12/1989US4886030 Method of and system for controlling fuel injection rate in an internal combustion engine
12/12/1989US4886028 Apparatus for controlling air-fuel ratio of internal combustion engine
12/12/1989US4886027 Fuel injection temperature compensation system
12/12/1989US4886026 Fuel injection control system
12/12/1989US4885935 Engine testing system
12/06/1989EP0344902A2 Electric power generating apparatus
12/06/1989EP0344772A2 Method and apparatus for controlling a throttle valve of internal combustion engines
12/05/1989US4885658 Apparatus for controlling the operation of an electromagnetic fuel intake or exhaust valve of an internal combustion engine
12/05/1989US4884549 Method and apparatus for regulating fuel injection timing and quantity
12/05/1989US4884548 Fuel injection control system for an automotive engine
12/05/1989US4884547 Air/fuel ratio control system for internal combustion engine with variable control characteristics depending upon precision level of control parameter data
12/05/1989US4884546 Fuel injection control system for an automotive engine
12/05/1989US4884545 Fuel injection system for an internal combustion engine
12/05/1989US4884540 Engine speed control method
12/05/1989US4884398 Method of and apparatus for reducing engine smoke emissions
12/05/1989CA1263727A1 Timed priming system with temperature override
11/1989
11/30/1989WO1989011590A1 Adaptive engine output mode setting method based on shoe slip
11/30/1989WO1989011587A1 Method and apparatus for managing alternator loads on engines
11/30/1989WO1989011585A1 Multicylinder internal-combustion engine
11/30/1989DE3916605A1 Device for the control of an air-fuel ratio for an internal combustion engine
11/30/1989DE3817980A1 Device for regenerating soot burn-off filters
11/30/1989DE3817770A1 Device for the timed operation of an electromagnetic valve
11/30/1989DE3817495A1 Motor vehicle with user-specific, adjustable, electronically controllable functions
11/29/1989EP0343607A2 Air supply and exhaust control systems for internal combustion engines
11/29/1989EP0343536A1 Circuit for controlling the power supply of an electrical load, having a device for detecting a short-circuit of the load
11/29/1989EP0343515A2 Device for regulating the air input flow rate to an internal combustion engine carburettor
11/29/1989EP0343161A1 Solenoid driver control circuit with initial boost voltage.
11/28/1989US4884207 Start controller for engine