| Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958) |
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| 08/08/1991 | WO1991011600A1 Process for cutting off the fuel supply to a misfiring cylinder of an engine |
| 08/08/1991 | DE4103107A1 Single chip microcomputer controller for engine control - has chip mounted on circuit board with inputs for writing data into memory |
| 08/07/1991 | EP0440211A2 An air-fuel ratio control device for a vehicle engine |
| 08/07/1991 | EP0440185A2 Apparatus for reducing vibrations of the body of a vehicle |
| 08/07/1991 | EP0440173A2 Method and apparatus for controlling torque generated in an internal combustion engine |
| 08/07/1991 | EP0440135A2 An air-fuel ratio control device of an internal combustion engine |
| 08/07/1991 | EP0439474A1 A process for heating regulation of lambda probes. |
| 08/06/1991 | US5038289 Diagnosis system for a motor vehicle |
| 08/06/1991 | US5036821 Fuel injection system for an internal combustion engine |
| 08/06/1991 | US5036820 Method of determining activation of an exhaust gas concentration sensor equipped with a heater |
| 08/06/1991 | US5036819 Control system for the air/fuel ratio of an internal combustion engine |
| 08/06/1991 | US5036817 Engine remote control system |
| 08/06/1991 | US5036814 Engine speed controlling apparatus for internal combustion engine |
| 08/06/1991 | US5036813 Load-shifting device |
| 08/06/1991 | US5036812 Idle control device for an internal combustion engine |
| 08/06/1991 | US5036669 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 08/06/1991 | US5036663 Air supply control systems for internal combustion engines |
| 08/01/1991 | DE4002228A1 Verfahren zur arbeitstakterkennung bei einem viertaktmotor Method for operating clock detection for a four-stroke engine |
| 08/01/1991 | DE4002210A1 Verfahren zum trennen eines motorzylinders mit verbrennungsaussetzern von der kraftstoffzufuhr A method for separating a motor with cylinder combustion misfires from the fuel supply |
| 08/01/1991 | DE4002207A1 Catalyser protection by detection misfiring cylinder detection - cutting of fuel to misfiring cylinder and making fuel mixt. to remaining cylinders leaner |
| 08/01/1991 | DE4002206A1 Control to protect catalytic converter during engine malfunction - providing warning on detecting faulty closure of tested valve, and forbidding injection cut-off during engine overrun |
| 07/31/1991 | EP0439194A1 Stroke identification system for internal combustion engine |
| 07/31/1991 | EP0438872A2 Self compensation for duty cycle control |
| 07/31/1991 | EP0438644A1 Method for determining the rotational speed of a shaft |
| 07/31/1991 | EP0438640A1 Method for the sensing of motion and position of a part of an inductive electric consumer movable between a rest and an end position by means of a magnetic action |
| 07/31/1991 | EP0438433A1 Process and device for emergency fuel regulation. |
| 07/31/1991 | EP0438431A1 System for regulating the temperature of a resistance. |
| 07/30/1991 | US5036470 Method and apparatus for determining high temperature state of air-fuel ratio sensor |
| 07/30/1991 | US5036263 Piezoelectric actuator driving apparatus |
| 07/30/1991 | US5035226 Engine control system |
| 07/30/1991 | US5035225 Fuel injection control apparatus of internal combustion engine |
| 07/30/1991 | US5035223 Fuel injection control system for an internal combustion engine |
| 07/30/1991 | US5035221 High pressure electronic common-rail fuel injection system for diesel engines |
| 07/30/1991 | US5035220 Fuel controller for an internal combustion engine |
| 07/30/1991 | US5035217 Idling adjusting method |
| 07/30/1991 | US5035216 Idling speed adjusting system for an automotive engine |
| 07/30/1991 | US5035213 Load-shifting device |
| 07/30/1991 | US5035114 Air supply control systems for turbocharged internal combustion engines |
| 07/25/1991 | WO1991010828A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 07/25/1991 | WO1991010824A1 Method of determining fuel blend ratio |
| 07/25/1991 | WO1991010823A1 Method of determining fuel blend ratio |
| 07/25/1991 | WO1991010822A1 Method of determining fuel blend ratio |
| 07/25/1991 | WO1991010821A1 Mass air flow engine control system with mass air pulses integrator |
| 07/25/1991 | DE4024675C1 Current supply for injection injection installation of IC engine - uses generator driven by shaft of injection pump |
| 07/25/1991 | DE4001970A1 Measurement and recording arrangement for exhaust gas - is permanently installed in motor vehicle or on static engine to measure type and concn. of gas constituents |
| 07/24/1991 | EP0438308A2 Idling system for devices having speed controllers |
| 07/24/1991 | EP0437559A1 Process and device for controlling and/or regulating the output of an internal combustion engine in a motor vehicle. |
| 07/24/1991 | EP0419553A4 Method of operating an engine and measuring certain engine parameters |
| 07/24/1991 | CA2031299A1 Self-compensation for duty cycle control |
| 07/23/1991 | US5034894 Self-diagnosis system for a motor vehicle |
| 07/23/1991 | US5034889 Diagnosis system for a motor vehicle |
| 07/23/1991 | US5034020 Fuel additives to improve combustion, a platinum compound |
| 07/23/1991 | US5033574 Traction control device for a vehicle |
| 07/23/1991 | US5033440 Apparatus for controlling air/fuel ratio of internal combustion engine |
| 07/23/1991 | US5033439 Injection supply device for internal combustion engine, with electronic control |
| 07/23/1991 | US5033438 Method and device for improving the exhaust-gas behavior or mixture-compressing internal combustion engines |
| 07/23/1991 | US5033437 Method of controlling air-fuel ratio for use in internal combustion engine and apparatus of controlling the same |
| 07/23/1991 | US5033436 Fuel control system for automobile engine |
| 07/23/1991 | US5033432 Idle speed control apparatus and method for an internal combustion engine |
| 07/23/1991 | US5033431 Method of learning gain for throttle control motor |
| 07/23/1991 | US5033428 Safety system for engine overturning |
| 07/23/1991 | US5033290 Method of detecting failure of a valve timing changeover control system of an internal combustion engine |
| 07/23/1991 | CA1286752C Throttle-position sensor for an electronic fuel- injection system |
| 07/23/1991 | CA1286557C Controlling emissions from two stroke engines |
| 07/23/1991 | CA1286556C Method of controlling fuel supply during starting and acceleration of an internal combustion engine |
| 07/17/1991 | EP0437057A1 Method and apparatus for detecting combustion conditions in a multicylinder internal combustion engine |
| 07/17/1991 | EP0436956A2 Engine rotation speed control apparatus having auxiliary air controller |
| 07/17/1991 | EP0436553A1 Device for producing a desired value of a control parameter of an internal combustion engine. |
| 07/17/1991 | CN2080992U Automatic fuel-economizer for internal combustion engine |
| 07/16/1991 | US5031597 Fuel injection control system for an automotive engine |
| 07/16/1991 | US5031595 Malfunction test procedure and apparatus for idling control |
| 07/16/1991 | US5031594 Idle speed control system for a two-cycle engine |
| 07/16/1991 | US5031593 System for controlling the carburetor of an internal combustion engine |
| 07/16/1991 | US5031450 Apparatus for detecting intake pressure in internal combustion engine |
| 07/16/1991 | US5031406 Control system for boost pressure in internal combustion engine with turbocharger |
| 07/11/1991 | WO1991010205A1 Method and device for storing intermittent functional faults of a physical system and of context variables of these faults |
| 07/11/1991 | WO1991010130A1 Wide-band probe platelet for determining the oxygen concentration in exhaust gases |
| 07/11/1991 | WO1991010060A1 Fuel injection pump |
| 07/11/1991 | WO1991010058A1 Idle and off-idle operation of a two-stroke fuel-injected multi-cylinder internal combustion engine |
| 07/11/1991 | WO1991010057A1 Digital controller |
| 07/11/1991 | WO1991009764A2 Process and device for determining the terminal position of a driver-operated control element in a motor vehicle |
| 07/11/1991 | DE4031735A1 Limiting IC engine RPM to govern motor vehicle speed - using max. admissible engine speed or noise or fuel consumption |
| 07/10/1991 | EP0435976A1 Process for metering fuel in internal combustion engines. |
| 07/09/1991 | US5031177 Method for controlling a computer-final control element and computer coupled with a final control element |
| 07/09/1991 | US5029570 Exhaust gas recirculation control |
| 07/09/1991 | US5029569 Method and apparatus for controlling an internal combustion engine |
| 07/04/1991 | DE4000062A1 Igniting soot particles on diesel filter - involves use of air warmed by exhaust gas heat exchanger |
| 07/04/1991 | DE3943245A1 Kraftstoffeinspritzpumpe Fuel injection pump |
| 07/04/1991 | DE3943167A1 Emergency cut-out device for diesel engine - uses non combustible gas fed to engine fuel injection pump |
| 07/03/1991 | EP0435183A2 High pressure fuel injection unit and method for controlling same |
| 07/03/1991 | EP0434970A1 Method for the limiting of an engine traction torque |
| 07/03/1991 | EP0434969A1 Central injection system for internal combustion engines |
| 07/03/1991 | EP0434788A1 Control system for an internal-combustion engine. |
| 07/03/1991 | EP0434681A1 Method and apparatus for controlling a solenoid operated fuel injector |
| 07/02/1991 | US5027782 Fuel control system for an automobile engine |
| 07/02/1991 | US5027780 Air-fuel control device for an internal combustion engine |
| 07/02/1991 | US5027779 Fuel injection control apparatus for an internal combustion engine |
| 07/02/1991 | US5027778 Fuel injection control apparatus |
| 07/02/1991 | US5027775 Apparatus for controlling combustion condition |
| 07/02/1991 | US5027773 Control device for an internal combustion engine |