Patents
Patents for F02D 45 - Electrical control not provided for in groups (23,743)
09/1992
09/23/1992EP0504585A1 System for controlling an internal combustion engine
09/22/1992US5150034 Automatically charging system for electric automobile
09/16/1992EP0445124B1 Ratiometric signal correction system for a vehicle electronic control system
09/15/1992US5146899 Fuel control system for injected engine
09/15/1992US5146892 Method and arrangement for the open-loop and/or closed-loop control of the engine power of an internal combustion engine of a motor vehicle
09/15/1992US5146888 Idle engine speed control apparatus
09/15/1992US5146886 System for controlling an internal combustion engine
09/15/1992US5146885 Air-fuel ratio control device for an engine
09/15/1992US5146777 Device for detecting pinking, cylinder by cylinder, in a multi-cylinder otto engine
09/10/1992DE4206809A1 Knocking detector for IC engine - has digital frequency analyser supplied by vibration signals picked up from sensor for engine and=or cylinder internal pressure vibration
09/08/1992US5144928 Ignition timing control apparatus with a knock sensor for an internal combustion engine
09/03/1992DE4205068A1 Traction controller for wheel spin prevention on motor vehicle - responds to disturbance with ignition retardation until road speed begins to fall irrespective of throttle opening
09/03/1992DE4203235A1 Failure-diagnostic device for engine exhaust recirculation control - evaluates cumulative drop in inlet manifold pressure within limited time after closure of recirculating system
09/03/1992DE4106308A1 Temp. regulation for exhaust gas probe - using electrically heated wire with its resistance depending on temp. and probe positioned in exhaust gas pipe of IC engine
09/02/1992EP0501746A1 Altitude determination system and engine control system using the same
09/02/1992EP0501346A2 Travel control apparatus for a motor vehicle
09/01/1992US5144560 Control method for an internal combustion engine and apparatus therefor
09/01/1992US5144233 Crankshaft angular position voltage developing apparatus having adaptive control and diode control
09/01/1992US5143553 Control apparatus of ignition current conducting time
09/01/1992US5143037 Variable cam engine
08/1992
08/27/1992DE4206459A1 Maintaining correction value of control variables for machine controller - transferring to non-volatile memory immediately after power failure, and returning to volatile memory when power restored
08/27/1992DE4205399A1 Fault diagnosing device for IC engine fuel injection system - uses two signals from exhaust gas sensor to provide reliable result
08/27/1992DE4205050A1 IC engine controller using hot-wire air flowmeter - incorporates hybrid computer for fuel injection timing with correction for flow measurement during engine warm=up
08/26/1992EP0378627B1 A method and device for checking idling controls for incorrect operation
08/25/1992US5141246 Method and apparatus for controlling vehicular suspension
08/25/1992US5141089 System for controlling coupling force of a fluid coupling
08/25/1992US5140955 Method of controlling an internal combustion engine
08/25/1992US5140850 Process for determining the combustion air mass in the cylinders of an internal combustion engine
08/25/1992US5140810 Method of detecting failure in a secondary air supply system for internal combustion engines
08/20/1992DE4204310A1 Vehicular wheel-slip controller with two friction-dependent thresholds - operates on auxiliary throttle valve and driven-wheel brakes to reduce traction in advance of braking
08/19/1992EP0366671B1 Method for determining atmospheric air pressure in pressure-controlled fuel injection systems
08/18/1992US5138873 Throttle valve opening degree processing system
08/11/1992US5138548 Method of assuring integrity of information being stored
08/11/1992US5137001 Control apparatus for an engine
08/11/1992US5137000 Device and method for decreasing delays in fuel injected internal combustion engines
08/11/1992US5136880 Arrangement for detecting a changing operating parameter
08/06/1992WO1992013183A1 Device for detecting faulty firing in an internal-combustion engine
08/05/1992EP0497475A2 Method of and apparatus for processing internal combustion engine speed data
08/05/1992EP0497095A2 Process for adaptation of slip levels in a control system of traction slip and/or brake slip, to the tyres of an automative vehicle, and arrangement for working of this process
08/05/1992EP0479833A4 Knock control by reduction of injection period
08/05/1992EP0352276B1 Drive slip-regulating system
08/04/1992US5134984 Fuel injection system of internal combustion engine
08/04/1992US5134983 Fuel control system for engine
08/04/1992US5134982 Distinction device of fuel in use for internal combustion engine
08/04/1992US5134980 Knock generation control system for engines
08/04/1992US5134847 Double air-fuel ratio sensor system in internal combustion engine
07/1992
07/29/1992EP0321508B1 Internal combustion engine with exhaust return system, in particular otto engine
07/28/1992US5133319 Engine speed control apparatus
07/28/1992US5133311 Auxiliary control unit
07/28/1992US5133310 Intake and exhaust control apparatus for internal combustion engines
07/22/1992EP0383797B1 Process for determining and evaluating the combustion pressure of an internal combustion engine
07/21/1992US5132663 Vehicle safety system and method for monitoring toxic and combustible fuels
07/21/1992US5131372 Apparatus for controlling the respective cylinders in the fuel supply system of an internal combustion engine
07/21/1992US5131371 Method and arrangement for controlling a self-igniting internal combustion engine
07/21/1992CA1305545C Vehicle wheel slip control system
07/15/1992WO1992012339A1 Engine management system
07/15/1992EP0494517A2 Method of and apparatus for controlling wheel spin
07/15/1992EP0494423A2 System for detecting combustion state in internal combustion engine
07/14/1992US5130930 Diagnostic device for vehicle engine analysis
07/14/1992US5129228 Electronic engine control system
07/14/1992CA1305240C Method and apparatus for detecting discrete levels of detonation in an internal combustion engine
07/09/1992WO1992011522A1 Diagnostic device for detecting defective combustion in an internal combustion engine
07/08/1992EP0493911A2 Method of and apparatus for controlling wheel spin
07/08/1992EP0493554A1 Variable air/fuel ratio engine control system with closed-loop control around maximum efficiency and combination of otto-diesel throttling.
07/07/1992US5127384 Method and apparatus for regulating the mixture of fuel quantity fed to the cylinders of an internal combustion engine
07/07/1992US5127378 Control device for an internal combustion engine
07/07/1992US5127263 Processing of throttle opening degree indicative signal
07/07/1992US5127262 Misfire detecting device of an internal combustion engine
07/01/1992EP0492989A1 Exhaust gas purification system for a diesel engine
07/01/1992EP0492467A2 Knocking control apparatus for internal combustion engine
06/1992
06/30/1992US5125384 Fuel control system for an internal combustion engine
06/30/1992US5125381 Misfire detection
06/30/1992US5125267 Trouble diagnosis apparatus for an internal combustion engine
06/25/1992WO1992010733A2 Engine misfire, knock or roughness detection method and apparatus
06/25/1992DE4041658A1 Emergency injector suppression circuit esp. for diesel engine - includes two relays whereby fuel metering device can be isolated without interruption of supply to controller
06/25/1992DE4041538A1 Circuit controlling injection valves of IC engine - with amount determination circuit for fuel injected which specifies control pulse length of injection valves depending on RPM of engine and other parameters
06/25/1992DE4040637A1 Electronic control system for IC engine - has sensors for determining load, rpm and temp., and determines basic fuel injection amount signal and transition compensation signal
06/25/1992CA2099613A1 Engine misfire, knock or roughness detection method and apparatus
06/24/1992EP0491381A2 A fuel injection control device for an internal combustion engine
06/23/1992US5123391 Electronic control fuel injection device a for an internal combustion engine
06/23/1992US5123389 Controlling system for vehicle-carried internal combustion engine
06/23/1992US5123388 Otto-cycle engine
06/17/1992EP0490612A1 Adaptive air/fuel ratio control method and system
06/17/1992EP0490393A2 Apparatus for controlling variation in torque of internal combustion engine
06/17/1992EP0490392A2 Apparatus for controlling a torque generated by an internal combustion engine
06/17/1992EP0388412B1 System for regulating the air/fuel ratio of an internal combustion engine
06/17/1992EP0366735B1 Learning control process for an internal combustion engine and device therefor
06/17/1992DE4040219A1 Measurement system for motor vehicle e.g. for accelerator pedal position - has variable end values in electronic control system for more comfortable and reliable operation
06/16/1992US5121732 Adaptive fuel/air mixture adjustment for taking fuel characteristics into consideration
06/16/1992US5121729 Knocking control method and apparatus for internal combustion engine
06/11/1992WO1992009875A1 Process for recognizing abnormal combustion in a cylinder of an internal combustion engine
06/11/1992WO1992009874A1 Method of detecting irregular combustion in an engine cylinder
06/11/1992WO1992009449A1 Process for controlling the torque of an internal combustion engine
06/11/1992DE4135307A1 IC engine controller with suppression of learning process - recognises complete closure of throttle from signals produced by various sensors and air intake flowmeter
06/10/1992EP0489022A1 Electronic counting device.
06/10/1992EP0262166B1 Process for identifying the working cycle of a cylinder in an internal combustion engine
06/09/1992US5119788 Method and arrangement for determining at least one threshold voltage for a lambda-one control
06/09/1992US5119628 Catalyst degradation diagnosing apparatus for air fuel ratio control system
06/04/1992DE4038346A1 Throttle opening sensor calibration for internal combustion engine - derives difference between nominal and actual angles from measurement of exhaust gas lambda for correction purposes
06/03/1992EP0488404A2 Engine output torque control system