| 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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| 07/06/1993 | US5224347 Method and apparatus for controlling the air-fuel ratio of a gas engine |
| 06/30/1993 | EP0516692A4 Exhaust emission control |
| 06/29/1993 | US5222471 Emission control system for an internal combustion engine |
| 06/24/1993 | WO1993012333A1 TRANSMITTER ARRANGEMENT FOR CYLINDER RECOGNITION IN AN INTERNAL COMBUSTION ENGINE WITH n CYLINDERS |
| 06/24/1993 | DE4142706A1 Temperature sensor, e.g. for exhaust of vehicle IC engine - has internal resistance with nonlinear temp. dependence and converts to near linear dependence, and has AC voltage source |
| 06/24/1993 | DE4141713A1 Geberanordnung zur zylindererkennung bei einer brennkraftmaschine mit n zylindern Transmitter arrangement for cylinder detection in an internal combustion engine with n cylinders |
| 06/23/1993 | EP0547567A1 Method to control the air-fuel ratio for an internal combustion engine, especially of the piston type |
| 06/16/1993 | EP0546827A2 A combustion condition detecting and control device for an internal combustion engine |
| 06/15/1993 | US5219227 Method and apparatus for determining burned gas temperature, trapped mass and NOx emissions in an internal combustion engine |
| 06/15/1993 | US5218943 Fuel injection apparatus for internal combustion engine |
| 06/01/1993 | US5214959 Idle position detection switch for engines |
| 05/11/1993 | US5209207 Throttle valve control system for automotive engine |
| 05/05/1993 | EP0539921A2 Control device for internal combustion engine |
| 05/04/1993 | US5207198 System for controlling the fuel quantity of internal combustion engines |
| 05/04/1993 | US5207058 Internal combustion engine |
| 04/29/1993 | WO1993008395A1 Method and device for detecting misfires of the air/fuel mixture feeding an internal combustion engine propelling a motor vehicle and their applications |
| 04/27/1993 | USRE34234 Control apparatus for internal combustion engines |
| 04/27/1993 | US5205759 Mount for a plug/socket combination |
| 04/20/1993 | US5203305 Apparatus and methods for converting conventionally fueled engines to operate on an alternative fuel |
| 04/20/1993 | US5203292 Wiring arrangement for electric parts of an outboard motor |
| 04/15/1993 | WO1993007449A1 Device for detecting the angular position of a rotating component |
| 04/14/1993 | EP0536158A1 Process for protecting catalysts used for cleaning exhaust gases and heat tone sensor for implementing the process. |
| 04/13/1993 | US5201840 Temperature transducer |
| 04/13/1993 | US5201292 Apparatus and method for detecting vibration patterns |
| 04/13/1993 | US5201186 Method of operating a transport refrigeration unit |
| 04/06/1993 | USRE34211 Air-fuel ratio detecting sensor |
| 04/06/1993 | US5199396 Engine operation interrupt using ambient oxygen sensing |
| 03/18/1993 | DE4130712A1 Driver for electromagnetic fuel injection valve - has ancillary circuit that responds when valve is fully open to reduce drive current, to hold level |
| 03/18/1993 | DE4130711A1 Electromagnetic actuator driver for IC engine fuel injector - measures current and valve displacement to allow current to be reduced once valve has fully responded |
| 03/18/1993 | DE4130710A1 Drive circuit for electromagnetic fuel injection valves - has single power drive stage operating several valves via multiplexing controller |
| 03/04/1993 | DE4128823A1 Exhaust catalyst reserve capacity determn. during stationary running of engine - using lambda signals from oxygen@ probes |
| 03/03/1993 | EP0529786A2 Apparatus and method for detecting vibration patterns |
| 03/03/1993 | EP0529710A1 Engine position sensor |
| 03/03/1993 | EP0444055B1 Solenoid valve, in particular for fuel injection pumps |
| 03/01/1993 | CA2073230A1 Apparatus and method for detecting vibration patterns |
| 02/23/1993 | US5188080 Knocking control system for internal combustion engine |
| 02/18/1993 | WO1993003267A1 Electronic calibrated fuel rail |
| 02/16/1993 | US5186042 Device for measuring action force of wheel and device for measuring stress of structure |
| 02/09/1993 | US5184527 Engine control system for an automotive power train including a torque converter |
| 02/04/1993 | WO1993002282A1 Multi-slope canister purge solenoid valve |
| 02/04/1993 | WO1993002281A1 Air-fuel ratio control device for internal combustion engine |
| 02/02/1993 | US5183022 Multi-slope canister purge solenoid valve |
| 01/21/1993 | WO1993001405A1 Tank ventilation system for a motor vehicle and process and device for testing its efficiency |
| 01/21/1993 | WO1993001401A1 Device for supplying extra air in exhaust gases from a supercharged otto engine fitted with a catalytic converter |
| 01/14/1993 | DE4122975A1 Tankentlueftungsanlage fuer ein kraftfahrzeug sowie verfahren und vorrichtung zum ueberpruefen von deren funktionsfaehigkeit Tankentlueftungsanlage for a motor vehicle and method and apparatus for inspection of their funktionsfaehigkeit |
| 01/14/1993 | DE4121723A1 Four-stroke engine operation with fuel quality fluctuation - using two-branched control loop with throttle flap opening used as expression for optimal combustible mixt. |
| 01/13/1993 | EP0522847A2 A method of operating a transport refrigeration unit |
| 01/13/1993 | EP0448603A4 System for monitoring and controlling engine performance |
| 01/12/1993 | US5178111 System for the closed-loop control of a positioning unit in a motor vehicle |
| 01/07/1993 | EP0435976B1 Process for metering fuel in internal combustion engines |
| 01/07/1993 | DE4120891A1 Combustion engine pumping fresh air into exhaust system - is checked for correct exhaust treatment function by direct or indirect measurement of pump power consumption |
| 12/29/1992 | US5174261 Fuel injection quantity control device for two cycle engines |
| 12/29/1992 | US5174111 Exhaust gas purification system for an internal combustion engine |
| 12/24/1992 | DE4120000A1 Limiting control action particularly for vehicle engine speed - having error signal integrated to generate signal that limits output if signal exceeds current error signal level |
| 12/22/1992 | US5172676 Air-fuel ratio control apparatus in internal combustion engine using different kinds of fuels |
| 12/22/1992 | US5172665 Idle running control apparatus for internal combustion engine |
| 12/15/1992 | US5172298 Electromagnetic actuator |
| 12/10/1992 | WO1992021882A1 Check valve with aspirating function |
| 12/10/1992 | WO1992021863A1 Test method for a device for injection of air into the exhaust gases of an internal combustion engine |
| 12/09/1992 | EP0516692A1 Exhaust emission control. |
| 12/08/1992 | US5168849 Intake apparatus for an internal combustion engine |
| 12/03/1992 | DE4215942A1 Exhaust gas concn. monitor used in IC engine catalytic purifier - using modified zeolite catalyst to reduce nitrogen oxide cpds. for max. efficiency |
| 12/02/1992 | EP0516493A1 Sensor for the detection of the first cylinder of an internal combustion, engine with fuel injection |
| 11/19/1992 | EP0493554A4 Variable air/fuel ratio engine control system with closed-loop control around maximum efficiency and combination of otto-diesel throttling |
| 11/19/1992 | DE4214305A1 Boat's outboard motor control - regulates fuel supply and ignition timing according to trimming angle independently of angle of motor w.r.t. hull |
| 11/17/1992 | US5163530 Control system for controlling driving torque delivered for driven wheels |
| 11/17/1992 | US5163412 Pollution control system for older vehicles |
| 11/17/1992 | US5163407 Method for detecting fuel blending ratio |
| 11/17/1992 | US5163405 Knock control by reduction of injection period |
| 11/17/1992 | US5163400 Engine unit |
| 11/17/1992 | US5163316 Apparatus for detecting flameout of internal combustion engine |
| 11/12/1992 | DE4115032A1 Elektronisches system in einem kraftfahrzeug zur erkennung einer schlechtwegstrecke An electronic system in a motor vehicle for the detection of a distance-bad |
| 11/12/1992 | DE4114797A1 Determining working stroke in four stroke IC engine - using crank angle and cylinder pressure sensors for signalling monitor unit and referencing engine controller |
| 10/28/1992 | EP0510302A2 Temperature sensor |
| 10/20/1992 | US5156128 Apparatus for controlling variation in torque of internal combustion engine |
| 10/07/1992 | EP0507372A1 Method and apparatus for diagnosing an engine control system |
| 10/06/1992 | US5152266 Method and apparatus for controlling solenoid actuator |
| 10/06/1992 | US5152137 Air-fuel ratio control system for automotive vehicle engine |
| 09/29/1992 | US5150685 Apparatus and method for converting conventionally fueled engines to operate on an alternative fuel |
| 09/03/1992 | WO1992014919A1 Engine operation using fully flexible valve and injection events |
| 09/03/1992 | WO1992014912A1 A method and a device for catalyst emission control |
| 09/03/1992 | DE4206118A1 Misfire detector with crankshaft tachometer for combustion engine - invalidates alarm signals from conventional detector when engine speed exceeds or load falls below predetermined value |
| 09/03/1992 | CA2073329A1 Engine operation using fully flexible valve and injection events |
| 09/01/1992 | US5144277 Sealing structure for electrical parts |
| 09/01/1992 | US5144233 Crankshaft angular position voltage developing apparatus having adaptive control and diode control |
| 08/26/1992 | EP0499607A1 Housing for electronic circuitry. |
| 08/25/1992 | US5140955 Method of controlling an internal combustion engine |
| 08/25/1992 | US5140850 Process for determining the combustion air mass in the cylinders of an internal combustion engine |
| 08/06/1992 | WO1992013183A1 Device for detecting faulty firing in an internal-combustion engine |
| 08/05/1992 | EP0497034A1 Exhaust gas purification system for an internal combustion engine |
| 08/05/1992 | EP0479833A4 Knock control by reduction of injection period |
| 08/05/1992 | EP0252960B1 Gated knock detector for internal-combustion engines |
| 08/04/1992 | US5134982 Distinction device of fuel in use for internal combustion engine |
| 08/04/1992 | US5134980 Knock generation control system for engines |
| 07/28/1992 | US5133307 Air intake system for marine propulsion unit engine |
| 07/22/1992 | EP0383797B1 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 07/21/1992 | US5131366 Apparatus for positioning a sensor |
| 07/15/1992 | EP0494423A2 System for detecting combustion state in internal combustion engine |
| 07/14/1992 | CA1305240C Method and apparatus for detecting discrete levels of detonation in an internal combustion engine |
| 07/08/1992 | EP0493554A1 Variable air/fuel ratio engine control system with closed-loop control around maximum efficiency and combination of otto-diesel throttling. |