Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
11/1990
11/20/1990US4971011 Air and fuel control system for internal combustion engine
11/20/1990US4971010 Method and apparatus for misfiring detection and control in an internal combustion engine
11/20/1990US4971009 Fuel control apparatus for internal combustion engine
11/20/1990US4970864 Supercharging pressure control method for internal combustion engines
11/20/1990US4970858 Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor
11/15/1990WO1990013738A1 A process and device for diagnosing the control of the tank ventilation valve in connection with the control of an internal combustion engine
11/14/1990EP0397521A1 Engine cycle control system
11/14/1990EP0397360A1 Exhaust gas recirculation system of an engine
11/14/1990EP0397316A1 Power supply system for turbocharger with rotary electric machine
11/13/1990US4969442 High pressure fuel injection device for engine
11/13/1990US4969441 Knocking suppression apparatus for an internal combustion engine
11/13/1990US4969439 Adaptive control system for an internal combustion engine
11/13/1990US4969435 Idle speed control system for a two-cycle engine
11/13/1990US4969431 Throttle valve control device for an automotive engine
11/13/1990US4969332 Controller for a three-wheel turbocharger
11/08/1990DE3914784A1 Detecting ambient air pressure for IC engine of motor vehicle - operating only when opening angle of throttle flap is greater than predetermined angle dependent on rpm of engine
11/08/1990DE3914615A1 Activating full load enrichment in electronic fuel injection IC engine - producing full load enrichment if throttle valve opening angle is greater than specified angle dependent on IC engine RPM
11/07/1990EP0395741A1 Driver circuit for solenoid operated fuel injectors.
11/07/1990EP0395690A1 A voltage doubler and system therefor.
11/07/1990EP0334894B1 Throttle-position sensor for an electronic fuel-injection system
11/06/1990US4969104 Diagnosis arrangement for vehicle engine controller
11/06/1990US4969102 System for controlling rotation of drive wheel for vehicles and method therefor
11/06/1990US4967727 Fuel controller for an internal combustion engine
11/06/1990US4967715 Fuel injection control system for an automotive engine
11/06/1990US4967714 Apparatus for controlling engine operable on gasoline/alcohol fuel blend
11/06/1990US4967713 Air-fuel ratio feedback control system for internal combustion engine
11/06/1990US4967712 Two-cycle engine with electronic fuel injection
11/06/1990US4967711 Fuel injection control system for automotive engine
11/06/1990US4967700 Lubricating system for combustion engine
11/01/1990WO1990012958A1 Device for maintaining a given fuel/air ratio in the combustion chamber of a piston engine
11/01/1990WO1990012954A1 A method for removing injector nozzle deposits
10/1990
10/31/1990EP0394306A1 Control equipment for an internal combustion engine and process for adjusting the parameters for the equipment.
10/31/1990EP0394290A1 Method and device for sensing the direction of crankshaft rotation in a diesel engine.
10/31/1990DE4013646A1 Steuerungssystem fuer eine brennkraftmaschine Control system for an internal combustion engine
10/31/1990DE4012491A1 Two stroke IC engine - has fuel injection valve which begins to operate after closing of exhaust valve
10/31/1990DE4011782A1 Magnet system with superconducting field coils - has needle opening nozzle if fuel pressure in pressure chamber exceeds predetermined pressure
10/31/1990DE3914364A1 Antibrake locking or drive slip regulation for vehicle - uses engine suction system as surface of pressure vacuum auxiliary energy needed to regulate system and during ABS or ASR operation
10/30/1990US4967357 Constant speed holding apparatus
10/30/1990US4966119 Fuel injection control device for use in an engine
10/30/1990US4966118 Fuel injection control apparatus for an internal combustion engine
10/30/1990US4966112 Method for adjusting idling RPM of engine
10/30/1990US4966111 Fuel supply control system for internal combustion engines
10/30/1990US4966110 Intake air flow control apparatus of internal-combustion engine
10/30/1990US4966049 Shift control system for automatic transmission
10/30/1990US4966033 Air flow metering apparatus for internal combustion engines
10/24/1990EP0394216A2 Method for the control and regulation of a combustion engine
10/24/1990EP0393930A1 Engine throttle control system
10/24/1990EP0393929A1 Engine throttle control system
10/24/1990EP0393886A1 Engine throttle control system
10/24/1990EP0393642A2 Engine speed controlling apparatus for internal combustion engine
10/23/1990US4965730 Vehicle-running control system
10/23/1990US4964390 Fuel supply control apparatus for an internal combustion engine
10/23/1990US4964388 Method and device for regulating a controlled ignition engine from the statistic distribution of an angular divergence
10/23/1990US4964386 Idling rotational speed control system for internal combustion engines after cranking
10/23/1990US4964318 Engine control apparatus for improved fuel economy
10/23/1990US4964272 Air-fuel ratio feedback control system including at least downstreamside air-fuel ratio sensor
10/23/1990US4964271 Air-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensor
10/23/1990CA1275470C Automatic engine/transmission control system
10/18/1990WO1990012206A1 Process for reducing the fuel supply to an engine cylinder
10/18/1990DE4012003A1 Elektronisches steuersystem fuer ein kraftfahrzeug Electronic control system for a motor vehicle
10/18/1990DE4011850A1 Automatically clutch of motor vehicle - using processor program for engagement following automatic determination of clutch biting point
10/17/1990EP0392550A2 Internal combustion engine and method for controlling fuel injection of same
10/17/1990EP0392486A1 Pressure sensor for the combustion chamber of an internal combustion piston engine
10/17/1990EP0392330A1 Control system for engine with mechanical supercharger
10/17/1990EP0391930A1 Process and device for detecting and releasing jammed adjusting elements.
10/16/1990US4964051 System and method for electronic control of internal combustion engine
10/16/1990US4964050 Method of controlling electrical devices of internal combustion engines
10/16/1990US4964045 Traction control system for automotive vehicle
10/16/1990US4964014 Controlling an electrical current
10/16/1990US4963800 Apparatus for controlling throttle actuator
10/16/1990US4962883 Air conditioning system for a motor vehicle
10/16/1990US4962746 Mixing liquid ratio detector device
10/16/1990US4962744 Device for detecting malfunction of fuel evaporative purge system
10/16/1990US4962742 Fuel injection device for an internal combustion engine
10/16/1990US4962741 Individual cylinder air/fuel ratio feedback control system
10/16/1990US4962740 Fuel controller for internal combustion engine
10/16/1990US4962739 Fuel controller for an internal combustion engine
10/16/1990US4962643 Soot-particle filter arrangement for the exhaust-line system of an internal-combustion engine
10/16/1990US4962570 Throttle control system for internal combustion engine with vehicle driving condition-dependent throttle angle correction coefficient variable
10/11/1990DE4011199A1 IC engine management system for vehicle - has processor control which alters all parameters progressively to minimise fuel use
10/11/1990DE3911707A1 Torque control for engine powered hydraulics - has analogue circuit blocks joined into processing chain
10/11/1990DE3911310A1 Method and device for the simulated generation of a substitute signal
10/10/1990EP0391573A2 Method and apparatus for closed loop fuel control
10/10/1990EP0391385A2 Method and apparatus for controlling supply of fuel in internal combustion engine
10/10/1990EP0391062A2 Electronic speed governor for an air-compressing engine
10/09/1990US4961412 Air-fuel ratio control system for an automotive engine
10/09/1990US4961411 For controlling an internal combustion engine
10/09/1990US4961410 Crank angle detecting device for a multi-cylinder internal combustion engine
10/09/1990US4961341 Testing device for an oxygen sensor
10/04/1990WO1990011443A1 Process and device for checking the controllability of a tank ventilation valve
10/04/1990WO1990011442A1 Process for determining at least one end position of an adjusting device in a motor vehicle
10/03/1990EP0390667A1 Electronically controlled internal-combustion engine fuel injection supply device
10/03/1990EP0390461A2 Method for detecting fuel injection performance of fuel injection valve
10/03/1990EP0390423A1 Method for controlling an internal combustion engine for vehicle with automatic transmission system
10/03/1990EP0390032A1 A device for controlling a fuel feed pump used for an engine
10/03/1990EP0286646B1 Device for detecting input signals of a control unit in an internal combustion engine
10/02/1990US4960182 Constant speed holding apparatus
10/02/1990US4960098 Method and apparatus for maintaining optimum oxygen level in combustion engines
10/02/1990US4960097 Air-fuel ratio control system for two-cycle engine
10/02/1990US4960095 Knocking control system for internal combustion engines