| Patents for F02D 35 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for (6,645) |
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| 08/28/1991 | WO1991013247A1 Exhaust emission control |
| 08/28/1991 | EP0443938A2 High resolution sensor system for internal combustion engines |
| 08/27/1991 | US5042248 Process and apparatus for the regeneration of a soot-particle filter in an internal-combustion engine |
| 08/22/1991 | WO1991012424A1 Method of detecting fuel blend ratio |
| 08/07/1991 | EP0439577A1 Device with a throttle member determining the power of a driving engine |
| 08/06/1991 | US5036818 Apparatus for regulating the inflow of fuel into the intake duct of an internal combustion engine |
| 08/06/1991 | US5036669 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 08/01/1991 | DE4002208A1 Detecting misfiring cylinders in IC engine - using existing lambda probe and evacuation of smoothed, averaged amplitude w.r.t. threshold |
| 07/30/1991 | US5036470 Method and apparatus for determining high temperature state of air-fuel ratio sensor |
| 07/24/1991 | EP0419553A4 Method of operating an engine and measuring certain engine parameters |
| 07/16/1991 | US5031593 System for controlling the carburetor of an internal combustion engine |
| 07/16/1991 | US5031406 Control system for boost pressure in internal combustion engine with turbocharger |
| 07/10/1991 | EP0435976A1 Process for metering fuel in internal combustion engines. |
| 07/02/1991 | US5027782 Fuel control system for an automobile engine |
| 07/02/1991 | US5027775 Apparatus for controlling combustion condition |
| 07/02/1991 | US5027773 Control device for an internal combustion engine |
| 07/02/1991 | US5027646 Method of evaluating air-fuel ratio sensor and apparatus therefor |
| 07/02/1991 | US5027609 Engine control system |
| 06/27/1991 | WO1991010064A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 06/27/1991 | CA2042365A1 Apparatus and method for controlling the air/fuel ratio of an internal combustion engine |
| 06/25/1991 | US5025767 Air/fuel ratio control system for internal combustion engine and air/fuel ratio controlling oxygen density sensor |
| 06/18/1991 | US5024191 Control system for a variable valve actuating mechanism of an internal combustion engine |
| 06/18/1991 | US5024082 Engine-start discriminating apparatus for an internal combustion engine |
| 06/12/1991 | EP0431393A2 Air/fuel ratio control in an internal combustion engine |
| 06/04/1991 | US5020365 Flow rate meter |
| 06/04/1991 | US5020360 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 05/30/1991 | WO1991007865A1 Housing for electronic circuitry |
| 05/29/1991 | EP0281585B1 Device for adapting the carburettor and ignition system of an internal combustion engine to all common grades of fuel for petrol engines |
| 05/28/1991 | US5018498 Air/fuel ratio control in an internal combustion engine |
| 05/28/1991 | US5018483 Fuel injection quantity control device for alcohol engine |
| 05/14/1991 | US5014673 Fuel feed device for internal combustion engine |
| 04/18/1991 | WO1991005160A1 Apparatus for controlling the occurrence of engine knocking |
| 04/03/1991 | EP0419553A1 Method of operating an engine and measuring certain engine parameters |
| 04/02/1991 | US5003948 Stepper motor throttle controller |
| 03/27/1991 | EP0418713A2 Conversion kit for a controlled catalyst |
| 03/19/1991 | US5000151 Method for improving the operation of a motor vehicle driven with an internal combustion engine and motor vehicle with an internal combustion engine |
| 03/07/1991 | WO1991003083A1 Mount for a plug/socket combination |
| 03/07/1991 | WO1991002891A1 Device with a throttle member determining the power of a driving engine |
| 03/06/1991 | EP0414765A1 Fuel timing control |
| 02/21/1991 | DE4019574A1 Fuel injection adaptive electronic control for combustion engine - adjusting quantity between lower and upper threshold values with storage of new value of target quantity |
| 02/20/1991 | EP0413031A1 Output controller of internal combustion engine |
| 02/13/1991 | EP0412929A2 Fuel control utilizing a multifunction valve |
| 02/13/1991 | EP0412578A2 Combustion control method and apparatus for an internal combustion engine |
| 02/13/1991 | EP0412521A1 Control circuit for influencing the exhaust gas composition of an internal combustion engine |
| 02/12/1991 | US4991554 Device for controlling ignition timing of engine |
| 02/07/1991 | WO1991001441A1 Process for metering fuel in internal combustion engines |
| 02/06/1991 | EP0411283A2 Control system for the carburettor of an internal combustion engine |
| 02/06/1991 | EP0411197A1 Electronic engine control for a motor vehicle |
| 01/30/1991 | EP0410812A2 Multiplexed hydraulic control system |
| 01/30/1991 | EP0410811A2 Hydraulic control system |
| 01/29/1991 | US4987772 Smoke measuring apparatus |
| 01/24/1991 | WO1991000955A1 Combustion control and/or monitoring unit for internal-combustion engines |
| 01/22/1991 | US4986117 Method for detecting fuel injection performance of fuel injection valve |
| 01/22/1991 | US4986115 Internal combustion engine |
| 01/17/1991 | DE3922523A1 Vorrichtung zur regelung, steuerung und/oder ueberwachung der verbrennung in brennkraftmaschinen Apparatus for control, management and / or ueberwachung the combustion in internal combustion machines |
| 01/16/1991 | EP0407520A1 Luminosity detector for internal combustion engine |
| 01/15/1991 | US4984546 Engine control apparatus |
| 01/15/1991 | US4984540 Fuel injection control system for a two-cycle engine |
| 01/10/1991 | DE4020681A1 Internal cylinder pressure measurer for IC engine - selectively passes cylinder pressure detector signals to computer performing real=time pressure parameter derivation |
| 01/09/1991 | EP0407128A1 Method of evaluating air-fuel ratio sensor and apparatus therefor |
| 01/08/1991 | US4984167 Control apparatus and method for an internal combustion engine |
| 01/08/1991 | US4982710 Electronic throttle valve opening control method and system therefor |
| 01/01/1991 | US4981127 Fuel injection control system for a two-cycle engine |
| 12/30/1990 | WO1991000420A1 Knock control by reduction of injection period |
| 12/30/1990 | CA2056986A1 Knock control by reduction of injection period |
| 12/13/1990 | WO1990015236A1 Process for determining the combustion air mass in the cylinders of an internal combustion engine |
| 12/11/1990 | US4976241 Method for determining combustion condition in spark ignition internal combustion engine and combustion condition control device |
| 12/05/1990 | EP0400909A2 Processing circuit for optical combustion monitor |
| 12/04/1990 | CA1277193C Throttle body with internally mounted anemometer |
| 11/28/1990 | EP0399576A1 Apparatus for regulating the inflow of fuel into the intake duct of an internal combustion engine |
| 11/27/1990 | US4972818 Control apparatus of internal combustion engine |
| 11/20/1990 | US4971009 Fuel control apparatus for internal combustion engine |
| 11/20/1990 | US4971005 Fuel control utilizing a multifunction valve |
| 11/14/1990 | EP0397306A1 Fuel ignition sensor |
| 11/13/1990 | US4969441 Knocking suppression apparatus for an internal combustion engine |
| 11/13/1990 | US4969435 Idle speed control system for a two-cycle engine |
| 10/24/1990 | EP0394216A2 Method for the control and regulation of a combustion engine |
| 10/23/1990 | US4964388 Method and device for regulating a controlled ignition engine from the statistic distribution of an angular divergence |
| 10/23/1990 | US4964387 Detonation control system for a marine engine |
| 10/10/1990 | EP0391573A2 Method and apparatus for closed loop fuel control |
| 10/03/1990 | EP0390461A2 Method for detecting fuel injection performance of fuel injection valve |
| 10/02/1990 | US4960098 Method and apparatus for maintaining optimum oxygen level in combustion engines |
| 10/02/1990 | US4960097 Air-fuel ratio control system for two-cycle engine |
| 09/18/1990 | US4957089 Fuel injection control system for a two-cycle engine |
| 09/06/1990 | DE4006298A1 Einspritzventil-diagnosesystem Injector diagnostic system |
| 09/05/1990 | EP0385969A1 Apparatus for the control and regulation of a diesel engine |
| 09/04/1990 | US4953531 Crank angle detector for an engine |
| 08/29/1990 | EP0383797A1 Process for determining and evaluating the combustion pressure of an internal combustion engine. |
| 08/22/1990 | EP0383187A1 Regeneration system for particulate trap |
| 08/21/1990 | US4951209 Induction volume sensing arrangement for internal combustion engine or the like |
| 08/21/1990 | US4950850 Pedal switch assembly |
| 08/09/1990 | WO1990008889A1 Output controller of internal combustion engine |
| 08/02/1990 | DE4001362A1 IC engine ignition timing monitoring system |
| 07/31/1990 | US4944271 Controller for internal combustion engine |
| 07/24/1990 | US4942860 Engine control system |
| 07/17/1990 | US4941446 Ignition and fuel injection back-up system for emergency running of internal combustion engines |
| 07/17/1990 | US4941444 Engine control apparatus |
| 07/17/1990 | CA1271673A1 Throttle valve control device |
| 07/10/1990 | US4940033 Method of operating an engine and measuring certain operating parameters |
| 07/05/1990 | DE3844353A1 Method and device for an electronic/mechanical accelerator pedal |