| Patents for F02D 45 - Electrical control not provided for in groups (23,743) |
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| 08/20/1991 | US5040513 Open-loop/closed-loop control system for an internal combustion engine |
| 08/20/1991 | CA1287899C Crankshaft angle sensing system |
| 08/15/1991 | CA2036293A1 Method of and apparatus for monitoring operation of a catalytic converter |
| 08/15/1991 | CA2036244A1 Method of and apparatus for detecting misfire |
| 08/14/1991 | EP0441769A2 Control device for an automobile |
| 08/14/1991 | EP0441603A2 Misfire detection |
| 08/14/1991 | EP0441522A2 Control device for an automobile |
| 08/14/1991 | EP0440894A2 Trigger circuit with self-adjusting reference value |
| 08/14/1991 | EP0440757A1 Process and device for checking the operability of an exhaust gas probe heater and its supply system. |
| 08/14/1991 | DE4004107A1 Diesel engine fuel pump electromagnetic control valve - has control signals supplied to valve corrected for valve switching times |
| 08/14/1991 | CA2033873A1 Digital fuel control system for small engines |
| 08/13/1991 | US5038883 Traction control device for a vehicle |
| 08/13/1991 | US5038737 Control apparatus for an internal combustion engine |
| 08/13/1991 | US5038736 Method for controlling ignition timing of an internal combustion engine |
| 08/08/1991 | WO1991011602A1 Process for determining the working stroke of a four-stroke engine |
| 08/08/1991 | WO1991011601A1 Process for protecting a catalytic converter from overheating |
| 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 | 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 | EP0440088A1 Method of and apparatus for reducing vibrations of car body |
| 08/06/1991 | US5038289 Diagnosis system for a motor vehicle |
| 08/06/1991 | US5038287 Method of controlling engine in vehicle for speed stage shifting of transmission |
| 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 | US5036814 Engine speed controlling apparatus for internal combustion engine |
| 08/06/1991 | US5036813 Load-shifting device |
| 08/06/1991 | US5036729 Coast-sync-coast downshift control method for clutch-to-clutch transmission shifting |
| 08/06/1991 | US5036669 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 08/01/1991 | DE4002228A1 Verfahren zur arbeitstakterkennung bei einem viertaktmotor Method for operating clock detection for a four-stroke engine |
| 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 |
| 07/31/1991 | EP0438431A1 System for regulating the temperature of a resistance. |
| 07/31/1991 | EP0438429A1 Process and device for recognizing spark failures. |
| 07/30/1991 | US5035226 Engine control system |
| 07/30/1991 | US5035213 Load-shifting device |
| 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 |
| 07/24/1991 | 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 |
| 07/23/1991 | US5034889 Diagnosis system for a motor vehicle |
| 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 | US5033428 Safety system for engine overturning |
| 07/23/1991 | CA1286752C Throttle-position sensor for an electronic fuel- injection system |
| 07/17/1991 | EP0436567A1 Drive slip control system. |
| 07/16/1991 | US5031595 Malfunction test procedure and apparatus for idling control |
| 07/11/1991 | DE4031735A1 Limiting IC engine RPM to govern motor vehicle speed - using max. admissible engine speed or noise or fuel consumption |
| 07/09/1991 | US5031177 Method for controlling a computer-final control element and computer coupled with a final control element |
| 07/03/1991 | EP0434970A1 Method for the limiting of an engine traction torque |
| 07/03/1991 | EP0434788A1 Control system for an internal-combustion engine. |
| 07/03/1991 | EP0434673A1 Knock control in internal combustion engines. |
| 07/03/1991 | EP0183771B1 Reference pulse verification circuit adaptable for engine control |
| 07/02/1991 | US5027773 Control device for an internal combustion engine |
| 07/02/1991 | US5027771 Method and apparatus for controlling ignition timing for marine engine |
| 07/02/1991 | US5027768 Fuel injection control system for diesel engine |
| 07/02/1991 | US5027645 Measuring device for determining distance |
| 06/27/1991 | WO1991010064A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 06/27/1991 | WO1991008984A1 Basic calcium aluminium hydroxyphosphites, method of production thereof and their use |
| 06/27/1991 | CA2042365A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 06/26/1991 | EP0434111A2 Method and apparatus for adjusting fuel injection timing |
| 06/26/1991 | EP0434059A1 Traction control system for automotive vehicle with feature of prediction of road friction level |
| 06/26/1991 | EP0433632A1 Method to control an internal combustion engine without throttle |
| 06/25/1991 | US5027278 Method of engine control timed to engine revolution |
| 06/19/1991 | CN1052357A Apparatus for reducing engine idling vibration |
| 06/19/1991 | CA2028412A1 Fuel injection timing control for a crankcase scavenged two-stroke engine |
| 06/18/1991 | US5025259 Analog-to-digital conversion system for an electronic control system of a motor vehicle |
| 06/18/1991 | US5024285 Slippage preventing apparatus for a vehicle |
| 06/18/1991 | US5024082 Engine-start discriminating apparatus for an internal combustion engine |
| 06/12/1991 | EP0431627A2 Process and apparatus for learning and controlling air/fuel ratio in internal combustion engine |
| 06/12/1991 | EP0431272A2 Method and device to inject fuel in the combustion chamber of an internal combustion engine |
| 06/11/1991 | US5023794 Method and apparatus for an internal combustion engine with learning closed-loop control |
| 06/11/1991 | US5022483 Slip control system for a vehicle |
| 06/11/1991 | US5022370 Internal combustion engine |
| 06/11/1991 | US5022362 Ignition timing controlling apparatus for internal combustion engine |
| 06/06/1991 | DE4038301A1 Suppressing motor vehicle bodywork vibration by alternator excitation - pulse width modulating field current supplied by proportional controller comparing measured and desired accelerations |
| 06/05/1991 | EP0429695A1 Control apparatus, particulary for controlling functions of a vehicle |
| 06/05/1991 | EP0429460A1 A fuel injection system for an internal combustion engine. |
| 06/05/1991 | EP0325589B1 Drive slippage limiting device |
| 06/04/1991 | US5021958 Device and method for determining target value of controllable variable associated with vehicle running state |
| 06/04/1991 | US5020502 Method and control device for controlling the amount of fuel for an internal combustion engine |
| 06/04/1991 | US5020501 Control system for an internal combustion engine |
| 06/04/1991 | US5020491 Method and apparatus for controlling power generation in internal combustion engines |
| 06/04/1991 | US5020363 Method for determining atmospheric air pressure in pressure-controlled fuel injection systems |
| 06/04/1991 | US5020360 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 05/28/1991 | US5019810 Apparatus for detecting malfunction of interface circuit in communication line between controllers in a vehicle control system |
| 05/28/1991 | US5018385 I.C. engine airflow meter having speed-based automatic gain control |
| 05/28/1991 | US5018383 Failure diagnostic apparatus in an engine air intake system |
| 05/22/1991 | EP0428338A2 Transducer monitoring apparatus and method |
| 05/21/1991 | US5016591 System and method for controlling a combustion state in a multi-cylinder engine for a vehicle |
| 05/21/1991 | US5016588 Throttle actuator and control system |
| 05/21/1991 | US5016587 Brake stop light circuit arrangement for a vehicle having electronic diesel control |
| 05/16/1991 | DE4036084A1 Antislip control system for vehicle driven wheel - detects rate of change of aperture size of engine acceleration device and uses to correct slip reference value |
| 05/15/1991 | EP0427568A1 Apparatus for reducing engine idling vibration |
| 05/14/1991 | US5016180 Tamper proof method and apparatus for adjusting a control parameter of a controlled apparatus |
| 05/14/1991 | US5016006 Audio alarm outputting device for outboard engine |
| 05/14/1991 | US5014550 Method of processing mass air sensor signals |
| 05/14/1991 | US5014548 Method and apparatus for detecting deterioration of sucked air flow quantity-detecting device of engine |
| 05/08/1991 | EP0426320A1 Re-combustion control means for alcohol engine |