| 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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| 08/25/1994 | DE4304966A1 Device for determining lambda values |
| 08/18/1994 | WO1994018443A1 Method and apparatus for controlling the injection of fuel into the combustion chamber of an internal combustion engine |
| 08/17/1994 | EP0610222A1 Engine operation using fully flexible valve and injection events |
| 08/16/1994 | US5339245 System for detecting combustion state in internal combustion engine |
| 08/16/1994 | US5337722 Fuel control and feed system for gas fueled engine |
| 08/16/1994 | US5337716 Control apparatus for internal combustion engine |
| 08/16/1994 | US5337558 Engine exhaust purification system |
| 08/09/1994 | US5335538 Method and arrangement for determining the storage capacity of a catalytic converter |
| 08/04/1994 | WO1994017297A1 Arrangement for determining the parameters of an internal combustion engine |
| 08/03/1994 | EP0608314A1 Method and device for detecting misfires of the air/fuel mixture feeding an internal combustion engine propelling a motor vehicle and their applications. |
| 08/03/1994 | EP0557299B1 Method of controlling the operation of a propulsion unit consisting of an internal-combustion engine and an automatic gearbox |
| 08/02/1994 | US5333585 Control device for idle rotation of engine |
| 07/27/1994 | EP0607177A1 Device for detecting the angular position of a rotating component. |
| 07/26/1994 | US5332965 Contactless linear angular position sensor having an adjustable flux concentrator for sensitivity adjustment and temperature compensation |
| 07/19/1994 | US5329904 Engine control apparatus for discriminating cylinders |
| 07/13/1994 | EP0499607B1 Housing for electronic circuitry |
| 06/29/1994 | EP0604149A2 Apparatus for controlling the position of a control member |
| 06/23/1994 | DE4341538A1 Sauerstoffsensorbaugruppe für einen Motor Oxygen sensor assembly for a motor |
| 06/21/1994 | US5321973 Knocking detecting system and method for an internal combustion engine |
| 06/14/1994 | US5319928 Method and arrangement for controlling the operation of a secondary air pump |
| 05/25/1994 | EP0597998A1 Electronic calibrated fuel rail. |
| 05/24/1994 | US5313920 Control device for internal combustion engine |
| 05/18/1994 | EP0597713A2 Control unit for high-compression-ratio engines using vaporizing fuels |
| 05/17/1994 | US5311854 Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas |
| 05/10/1994 | US5309889 Carburetor kit for improved air-fuel mixture |
| 05/05/1994 | DE4237215A1 Testing sec. air supply to IC engine exhaust system - applying lambda probe to detect variation due to supply of min. quantity of air required to overcome blocking valve |
| 05/03/1994 | CA1329016C Luminosity detector for internal combustion engine, method of operating engine and method of sensing temperature |
| 04/28/1994 | WO1994009431A1 System for adding gaseous materials to combustion system |
| 04/28/1994 | DE4235881A1 Set-point control of output power of vehicle propulsion unit - involves consideration of transmission losses in computation of engine control settings required to achieve desired final drive torque |
| 04/19/1994 | US5303584 Intake air flow rate measuring apparatus for internal combustion engine, having water-absorptive porous protective member |
| 04/14/1994 | DE4217138A1 Digital position controller for road vehicle throttles - has PID control actions summed with integral action limited and proportional plus derivative wide ranging |
| 04/06/1994 | EP0413031B1 Output controller of internal combustion engine |
| 04/05/1994 | US5299551 Carburetor kit for improved air-fuel mixture |
| 04/05/1994 | US5299549 Method of controlling the fuel-air ratio of an internal combustion engine |
| 04/05/1994 | US5299451 First cylinder detector for a gasoline internal combustion engine |
| 03/24/1994 | DE4231227A1 Hysteresis-free control of positioner in motor vehicle - involves periodic alternation of values of controlling signal adjusted by feedback from position-sensing device |
| 03/22/1994 | US5295416 Air-fuel ratio control method for internal combustion engines |
| 03/17/1994 | WO1994005975A1 Unit using hall elements for determining the position of the throttle valve in an internal-combustion engine |
| 03/16/1994 | EP0586408A1 Test method for a device for injection of air into the exhaust gases of an internal combustion engine. |
| 03/15/1994 | US5293776 For indicating the phase of an internal combustion engine |
| 03/09/1994 | EP0585746A2 Fuel injection controller for use in an internal combustion engine |
| 03/03/1994 | WO1994004812A1 Controlled mixture formation |
| 03/02/1994 | EP0479833B1 Knock control by reduction of injection period |
| 02/24/1994 | DE4324312A1 Determn of lean fuel-air mixture limit for IC engine - measuring stream of ions and characteristic value of flowing ion stream in one cylinder of engine immediately after ignition to give lean mixture limiting value. |
| 02/24/1994 | DE4230925C1 Digital position regulator for vehicle electronic throttle control - uses variable regulation function for rapid correction of wide regulation error |
| 02/22/1994 | US5287836 Control system for internal combustion engines |
| 02/08/1994 | US5284114 Apparatus and method for controlling an internal combustion engine |
| 02/08/1994 | US5284113 Arrangement in an i. c. engine |
| 02/03/1994 | DE4325042A1 Control arrangement for air/fuel mixture supplied to IC engine - Has electronic control unit with correcting procedure for position of stepper motor used to operate throttle flap |
| 02/03/1994 | DE4225361A1 Functional testing of secondary air admission into IC engine exhaust - involves measuring lambda value of exhaust gases by sensor supplying electronic control unit for secondary air pump and valve |
| 02/01/1994 | US5282450 Engine power controller |
| 01/26/1994 | EP0579967A2 Method and apparatus to establish the fuel quantity fed to an internal combustion engine |
| 01/25/1994 | CA2003293C Air-fuel ratio control system for two-cycle engine |
| 01/20/1994 | DE4223253A1 Motor vehicle control appts. including digital PID regulator - is adaptable to requirements of idling, wheel-slip control, torque control, road speed regulation and accelerator-pedal modes |
| 01/20/1994 | DE4215107C1 Control system for fuel-injected IC engine - calculates required fuel quantity from accelerator pedal position, in turn used to calculate air intake mass flow rate |
| 01/19/1994 | EP0579271A1 Method for detecting misfiring in an internal combustion engine |
| 01/13/1994 | DE4222533A1 Vehicle IC engine control system - operates engine under full torque conditions with control for optimum gear ratio and optimum fuel consumption. |
| 01/11/1994 | US5277166 Apparatus for controlling the rate of composition change of a fluid |
| 01/05/1994 | DE4221768A1 Electronic servo control for throttle return - has self-adjusting control with correction signal added to position control signal |
| 01/04/1994 | US5275137 Valve operating system for engine |
| 12/29/1993 | EP0575971A1 Contactless angular position sensor |
| 12/29/1993 | EP0575939A1 Internal combustion engine, charge-forming system thereof and method for operating said engine |
| 12/21/1993 | US5271269 Rotary position transducer |
| 12/21/1993 | US5271221 Integrated feedback controlled secondary air injection and egr |
| 12/08/1993 | EP0572951A2 Apparatus for detecting reference position of servo-controlled member |
| 12/08/1993 | EP0572584A1 TRANSMITTER ARRANGEMENT FOR CYLINDER RECOGNITION IN AN INTERNAL COMBUSTION ENGINE WITH n CYLINDERS. |
| 12/07/1993 | US5268843 Engine misfiring determining device |
| 12/01/1993 | EP0571931A1 Throttle control apparatus for internal combustion engine |
| 11/30/1993 | US5265575 Apparatus for controlling internal combustion engine |
| 11/30/1993 | US5265418 Management system for an internal combustion engine |
| 11/18/1993 | EP0569820A1 Wire harness with connectors for a vehicle |
| 11/18/1993 | EP0569613A1 Device for non-contact establishment of rotary position or speed |
| 11/14/1993 | CA2096040A1 Vehicle wiring harness with wiring harness |
| 11/10/1993 | EP0568551A1 Device for detecting faulty firing in an internal-combustion engine. |
| 10/26/1993 | US5255657 Four cycle |
| 10/26/1993 | US5255515 Method and arrangement for obtaining an evaluation value for the performance loss of a catalytic converter |
| 10/20/1993 | EP0487532B1 Mount for a plug/socket combination |
| 10/19/1993 | US5253627 Burning condition detecting device and burning control device in an internal combustion engine |
| 10/12/1993 | US5253143 Housing for an electronic circuit with two separable housing parts |
| 10/07/1993 | DE4210814A1 IC engine with adjustable air supply to carburettor - is subject to adaptive control by standard micro-controller with min. random logic requirements and error logic system |
| 09/28/1993 | US5248881 Optical fiber type device for monitoring a moving object to detect a rotational position of an internal combustion engine |
| 09/28/1993 | US5247910 Air-fuel ratio control apparatus |
| 09/22/1993 | EP0561365A2 Air flow detector for engine control unit |
| 09/01/1993 | EP0557299A1 Method of controlling the operation of a propulsion unit consisting of an internal-combustion engine and an automatic gearbox. |
| 08/31/1993 | US5239965 Fuel injection control apparatus for internal combustion engine |
| 08/26/1993 | DE4305865A1 Mixture controller for gas powered engine with catalytic converter |
| 08/26/1993 | DE4304153A1 IC engine idling speed adjustment - uses higher idling speed for ancillary set drive at constant reduction |
| 08/18/1993 | EP0555831A1 Air-fuel ratio control apparatus and method |
| 08/17/1993 | US5235956 Secondary air feed device of an engine |
| 08/05/1993 | DE4303267A1 Combustion engine controller applying correction for misfiring - compares stored value of ion current measurement with reference level before ignition coil is switched on |
| 08/05/1993 | DE4303241A1 Detection and decision device for combustion engine misfiring - applies correction to engine control when misfiring is detected at intervals of less than predetermined min. |
| 08/03/1993 | US5233295 Angle detecting device having improved mounting arrangement for mounting hall-effect sensor |
| 08/03/1993 | US5231871 Hot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meter |
| 07/20/1993 | US5229945 Apparatus for detecting and calculating the indicated mean effective pressure for a multi-cylinder engine during real time |
| 07/20/1993 | US5228426 Oxygen sensor system with an automatic heater malfunction detector |
| 07/13/1993 | US5226920 Method and arrangement for adjusting air/fuel ratio of an i. c. engine |
| 07/13/1993 | US5226390 Apparatus for controlling variation in torque of internal combustion engine |
| 07/07/1993 | EP0549810A1 Air-fuel ratio control device for internal combustion engine |
| 07/07/1993 | EP0549676A1 Spark-ignition engine |
| 07/06/1993 | US5224449 Lean-burn internal combustion system |