| Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958) |
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| 04/21/1993 | EP0423376B1 Error detection device for each cylinder in fuel supply control device for internal combustion engine, learning device for each cylinder and diagnostic device for each cylinder |
| 04/20/1993 | US5204816 For controlling supply of fuel to an internal combustion engine |
| 04/20/1993 | US5204576 Device for driving a piezoelectric element |
| 04/20/1993 | US5203983 Air-fuel ratio sensor for an internal combustion engine and an air-fuel ratio control apparatus using the same |
| 04/20/1993 | US5203868 Wire disconnection diagnosis apparatus of fuel injector drive circuit |
| 04/20/1993 | US5203727 Control apparatus for an outboard marine engine with improved cruising performance |
| 04/20/1993 | US5203305 Apparatus and methods for converting conventionally fueled engines to operate on an alternative fuel |
| 04/20/1993 | US5203302 Overload warning apparatus for internal combustion engines |
| 04/20/1993 | US5203300 Idle speed control system |
| 04/20/1993 | US5203292 Wiring arrangement for electric parts of an outboard motor |
| 04/20/1993 | US5203165 Method for the lambda control of an internal combustion engine having a catalyzer |
| 04/15/1993 | WO1993007497A1 Process for adapting mechanical tolerances of a pick-up wheel |
| 04/15/1993 | WO1993007449A1 Device for detecting the angular position of a rotating component |
| 04/15/1993 | WO1993007380A1 Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure |
| 04/15/1993 | WO1993007378A1 Hydraulically-actuated electronically-controlled unit injector having stroke-controlled piston and methods of operation |
| 04/15/1993 | WO1993007376A1 Control system for the electric fuel pump of an internal combustion engine |
| 04/15/1993 | DE4233977A1 IC engine exhaust system catalyser deterioration detector - contains upstream and downstream oxygen sensors, arrangement for evaluating areas of sensor signal graphs |
| 04/15/1993 | DE4133856A1 Diesel engine fuel injection control system - uses pressure sensor signal for detecting beginning and duration of fuel injection interval |
| 04/15/1993 | DE4133558A1 Steuersystem fuer die elektrische kraftstoffpumpe einer brennkraftmaschine Control system for the electric fuel pump an internal combustion engine |
| 04/15/1993 | CA2116531A1 Hydraulically-actuated electronically-controlled unit injector fuel system having variable control of actuating fluid pressure |
| 04/15/1993 | CA2115034A1 Hydraulically-actuated electronically-controlled unit injector having stroke-controlled piston and methods of operation |
| 04/14/1993 | EP0536789A2 A device for determining deterioration of a catalytic converter for an engine |
| 04/14/1993 | EP0536676A2 Electronic fuel-injection device having read/write memory for storing actuator correction value |
| 04/14/1993 | EP0536567A1 Device for detecting a variable in vehicles |
| 04/14/1993 | EP0536557A1 Apparatus for controlling the ouput power of a motor vehicle |
| 04/14/1993 | EP0536158A1 Process for protecting catalysts used for cleaning exhaust gases and heat tone sensor for implementing the process. |
| 04/13/1993 | USRE34216 Method of and apparatus for controlling engine revolution speed |
| 04/13/1993 | US5201840 Temperature transducer |
| 04/13/1993 | US5201790 Fuel control apparatus of an engine |
| 04/13/1993 | US5201303 Egr control device for an engine |
| 04/13/1993 | US5201296 Control system for an internal combustion engine |
| 04/13/1993 | US5201294 Common-rail fuel injection system and related method |
| 04/13/1993 | US5201250 Motor vehicle |
| 04/13/1993 | US5201217 Control device for an internal combustion engine |
| 04/13/1993 | US5201173 Catalyst temperature control system for internal combustion engines |
| 04/08/1993 | DE4232044A1 Mixture control for ic engine with temperature limiting - has proportion of exhaust gases recycled when engine torque is high and with stoichiometric mixture |
| 04/07/1993 | EP0536001A1 Control system for internal combustion engines |
| 04/07/1993 | EP0535671A2 Fuel injection control device for internal combustion engine |
| 04/07/1993 | EP0535466A1 An internal combustion engine |
| 04/07/1993 | EP0376945B1 Control of supercharged internal combustion engines |
| 04/06/1993 | USRE34211 Air-fuel ratio detecting sensor |
| 04/06/1993 | US5200900 Automotive multiple memory selector apparatus with human interactive control |
| 04/06/1993 | US5200898 Method of controlling motor vehicle |
| 04/06/1993 | US5199409 Air/fuel ratio control system for internal combustion engine |
| 04/06/1993 | US5199408 Air fuel ratio control system for internal combustion engines |
| 04/06/1993 | US5199404 Regulated flow canister purge system |
| 04/06/1993 | US5199403 Air fuel ratio control system for variable valve timing type internal combustion engines |
| 04/06/1993 | US5199400 Method and arrangement for the idle closed-loop control of an internal combustion engine |
| 04/06/1993 | US5199399 System and method for controlling idling speed for internal combustion engine linked to belt type electro-continuously variable transmission |
| 04/06/1993 | US5199397 Engine operation interrupt using ambient monoxide sensing |
| 04/06/1993 | US5199396 Engine operation interrupt using ambient oxygen sensing |
| 04/06/1993 | US5199394 Circuit arrangement for electronic control of an internal combustion engine |
| 04/06/1993 | US5199326 Idle up of engine of automobile according to elevation of transmission oil temperature |
| 04/06/1993 | US5199300 Device for controlling resistor temperature |
| 04/04/1993 | WO1993007363A1 Device for purifying exhaust of internal combustion engine |
| 04/01/1993 | DE4231575A1 IC engine control with cold start projection for exhaust catalyser - uses secondary catalyser between main catalyser and engine to burn excess fuel during warm=up period. |
| 04/01/1993 | DE4228053A1 Controlling and matching characteristic curves of cylinders of four stroke IC engine - using control programme to modify conditions for individual cylinders and generate overall performance programme for microprocessor providing electronic control |
| 04/01/1993 | DE4228052A1 Exhaust gas sensor for regulation of IC engine - produces differential output from catalyst-coated and uncoated electrode arrays as measure of completeness of combustion. |
| 04/01/1993 | DE4228050A1 Detection and quantification of rapid vehicle exhaust composition changes - differentiating output signal from gas sensor with engine-speed-related time constant. |
| 04/01/1993 | DE4227431A1 Determining air mass taken into each cylinder of vehicle IC engine - using crankshaft markings to define suction phase of cylinders and integrating value of volume flow for each cylinder |
| 04/01/1993 | DE4206224A1 Checking of signals from probes on combustion engine - leading to activation of alarm or reversion to cylinder-selective protection according to lambda signal conformance. |
| 04/01/1993 | DE4205266C1 Controlling intake line cross=section in fuel injection engine - taking operating parameters into account, reading them from identification field memory, which has been established in tests |
| 03/31/1993 | EP0534813A1 Method for correcting the control parameters of an internal combustion engine and device for implementing this method |
| 03/31/1993 | EP0534506A2 Air/fuel ratio control system for internal combustion engine with asynchronous fuel delivery control |
| 03/31/1993 | EP0534491A2 Fuel injection control system with split fuel injection for diesel engine |
| 03/31/1993 | EP0534371A2 Air-fuel ratio control system for internal combustion engine |
| 03/31/1993 | EP0533979A1 Method for controlling an internal combustion engine during transitional phases |
| 03/31/1993 | EP0428550B1 Stereo lambda control system |
| 03/31/1993 | CN2128971Y Computer-controling device for air-fuel ratio of gasoline engine |
| 03/30/1993 | US5197675 Fuel rail having rolling ball fuel injectors |
| 03/30/1993 | US5197563 Constant-speed cruising control system for vehicles |
| 03/30/1993 | US5197451 Method for detecting fuel blending ratio |
| 03/30/1993 | US5197450 Air-fuel ratio control system for internal combustion engine |
| 03/30/1993 | US5197444 Fuel-supply system and tank assembly for an internal combustion engine |
| 03/30/1993 | US5197439 Method and device for open-loop control of a solenoid-valve regulated fuel-metering system |
| 03/30/1993 | US5197438 Variable discharge high pressure pump |
| 03/30/1993 | US5197433 Anticipatory intake manifold tuning valve control |
| 03/30/1993 | US5197429 Position sensing arrangement for use in fuel injection pump or the like |
| 03/30/1993 | CA1315162C Supercharging pressure control method for internal combustion engines |
| 03/25/1993 | DE4131626A1 Fuel injection control for low emission IC engine - uses detected fuel ratio to control fuel injection into combustion space |
| 03/25/1993 | DE4131497A1 Determining angular position of crankshaft of internal combustion engine - detecting peripheral markings on plate rotating with crankshaft to form count pulses, and reference points with position index marks |
| 03/24/1993 | EP0533495A2 Air-fuel ratio control system for internal combustion engines |
| 03/24/1993 | EP0533474A2 Method of controlling an internal combustion engine |
| 03/24/1993 | EP0533405A1 An internal combustion engine |
| 03/23/1993 | US5195497 Method for detecting fuel blending ratio |
| 03/23/1993 | US5195495 Evaporative fuel-purging control system for internal combustion engines |
| 03/23/1993 | US5195492 Method and device for the control of a solenoid-valve-controlled fuel-metering system |
| 03/23/1993 | US5195491 Method and apparatus for controlling an engine |
| 03/23/1993 | US5195470 Variable cam engine |
| 03/23/1993 | US5195318 Exhaust gas purifying device for an internal combustion engine |
| 03/23/1993 | US5195316 Exhaust gas purifying device for an internal combustion engine |
| 03/23/1993 | CA1314962C Voltage doubler and system therefor |
| 03/18/1993 | DE4227104A1 Tracing misfire in internal combustion engine - using non-uniformities in the engine torque detected by measuring crankshaft angular speed and comparing with derived reference value |
| 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 |
| 03/18/1993 | DE4130512A1 Signal gain and offset compensation appts. for electrical measurement signals, esp. for engine induction - uses operational amplifier with variable reference voltage and variable resistance to earth |
| 03/17/1993 | EP0532020A1 An internal combustion engine |
| 03/17/1993 | EP0531546A1 Air-fuel ratio controller of internal combustion engine |
| 03/17/1993 | EP0531544A1 Controller of internal combustion engine |