| Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958) |
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| 06/01/1994 | EP0599729A1 Method for controlling the exhaust gas recirculation in an internal combustion engine |
| 06/01/1994 | EP0599322A1 Electronic control system for a variable geometry turbocompressor for an engine provided with a continuous braking device |
| 06/01/1994 | EP0599321A1 Electronic control system for the speed of rotation of a variable geometry turbocompressor |
| 06/01/1994 | EP0599191A2 Speed-governor-circuit |
| 06/01/1994 | EP0598917A1 Exhaust emission control system for internal combustion engine |
| 06/01/1994 | EP0598916A1 Exhaust emission control system for internal combustion engine |
| 06/01/1994 | EP0397865B1 Vehicle engine control unit |
| 06/01/1994 | DE4240117A1 Motor vehicle speed limitation procedure with threshold responsive to conditions - involves cutting off injection of fuel at critical engine speed which is variable in accordance with parameters of air-intake |
| 06/01/1994 | DE4239842A1 Control of IC engine - controlling motorised throttle flap to account for air back flow caused by system resonances |
| 06/01/1994 | DE4239840A1 Balancing of fuel metering device for e.g. diesel engine - involves comparison of measured and expected flows at two or more operating points including one in region of full load curve |
| 06/01/1994 | DE4239711A1 Vehicle control by exchange of data between subsystems via bus - requires control of driving unit by parameter evaluation w.r.t. quantity representing output power or capacity of engine |
| 05/31/1994 | US5315980 Malfunction detection apparatus for detecting malfunction in evaporative fuel purge system |
| 05/31/1994 | US5315979 Electronic control apparatus for an internal combustion engine |
| 05/31/1994 | US5315976 Error-corrected closed-loop control system |
| 05/31/1994 | US5315897 Engine speed control system with changing shift-up speed |
| 05/31/1994 | US5315823 Control apparatus for speedily warming up catalyst in internal combustion engine |
| 05/31/1994 | CA2020057C Method and means for determining exhaust backpressure in a crankcase scavenged two-stroke engine |
| 05/31/1994 | CA1329901C Crankshaft supporting structure for multicylinder internal combustion engine |
| 05/26/1994 | WO1994011628A1 Fuel controlling device for an engine with a cylinder idling function |
| 05/26/1994 | WO1994011627A1 Process for the indication of abnormalities in vehicles driven by internal combustion engines |
| 05/26/1994 | WO1994011467A1 Method for reducing harmful emissions from a diesel engine equipped with a particulate trap |
| 05/26/1994 | DE4239382A1 Verfahren und Vorrichtung zur Vermeidung von Falschmeldungen bei der Diagnose eines Tankentlüftungsventils bei einer Brennkraftmaschine Method and device for prevention of false positives in the diagnosis of a tank ventilation valve in an internal combustion engine |
| 05/25/1994 | EP0598602A1 An injection timing device for an electronic fuel injection system |
| 05/25/1994 | EP0597998A1 Electronic calibrated fuel rail. |
| 05/25/1994 | EP0495798B1 Electro-chemical measuring sensor for determining the oxygen content of gases |
| 05/24/1994 | US5314604 Sensor element for limit current sensors to determine the λ-value of gas mixtures |
| 05/24/1994 | US5313925 Apparatus for detecting malfunction in fuel evaporative prurge system |
| 05/24/1994 | US5313924 Fuel injection system and method for a diesel or stratified charge engine |
| 05/24/1994 | US5313923 Control apparatus for fuel pump |
| 05/24/1994 | US5313922 Method for controlling a flow of fuel to an engine of a vehicle during overrun operation |
| 05/24/1994 | US5313920 Control device for internal combustion engine |
| 05/24/1994 | US5313798 Charging control apparatus for an internal combustion engine with a dual turbocharger system |
| 05/24/1994 | CA2102758A1 Throttle signal modifying circuit |
| 05/19/1994 | DE4338572A1 Fuel metering for an IC engine - Has fuel enrichment factor as starting value for lambda controller when in closed loop mode |
| 05/19/1994 | DE4306252C1 Operating system for multi-cylinder engine with fuel injection - uses signal from pressure sensor for high pressure fuel supply line for emergency engine operating mode |
| 05/19/1994 | DE4238623A1 I.C. engine air intake signal correction system - uses filter with variable characteristic adjusted by comparing filtered signal with original signal |
| 05/18/1994 | EP0597713A2 Control unit for high-compression-ratio engines using vaporizing fuels |
| 05/18/1994 | EP0597232A2 Control method and device for lean burn internal combustion engine |
| 05/18/1994 | EP0597106A1 Exhaust and purification device for internal combustion engine |
| 05/17/1994 | US5313395 Speed control system for an internal combustion engine |
| 05/17/1994 | US5313153 Circuit arrangement for cyclic supply |
| 05/17/1994 | US5313121 Circuit for processing signals supplied by a zirconium-type oxygen sensor |
| 05/17/1994 | US5313104 Vehicle control system over a plurality of transmission lines |
| 05/17/1994 | US5311853 Exhaust gas cleaning device for an internal combustion engine |
| 05/17/1994 | US5311852 Method for detecting fuel blending ratio |
| 05/17/1994 | US5311850 High pressure electronic common-rail fuel injection system for diesel engines |
| 05/17/1994 | US5311771 Method for determining the rotational position of a crankshaft of an internal combustion engine |
| 05/17/1994 | US5311737 Exhaust purification apparatus for an engine |
| 05/17/1994 | CA2035740C Method for determining air mass in a crankcase scavenged two-stroke engine |
| 05/17/1994 | CA2018607C Multi-fuel engine control with oxygen sensor signal reference control |
| 05/17/1994 | CA2018606C Multi-fuel engine control with initial delay |
| 05/17/1994 | CA2018605C Multi-fuel engine control with fuel composition responsive fuel viscosity correction |
| 05/11/1994 | WO1994010434A1 Motor control system comprising a motorized butterfly body |
| 05/11/1994 | EP0596635A2 A method and system for controlling air/fuel ratio of an internal combustion engine |
| 05/11/1994 | EP0596297A2 Method and apparatus for checking the monitoring unit of a control system for an engine |
| 05/11/1994 | EP0596127A1 Automobile engine |
| 05/11/1994 | EP0595939A1 Catalytic converter efficiency monitoring. |
| 05/11/1994 | DE4237706A1 Circuit to determine response end point of solenoid armature of valve - has pulsed excitation of coil with change in mark to space ratio used to identify response end point |
| 05/10/1994 | US5311433 Acceleration slip control device for a vehicle |
| 05/10/1994 | US5311430 Vehicle operation data recording apparatus |
| 05/10/1994 | US5310472 Sensor element for limiting current sensors to determine the lambda value of gas mixtures |
| 05/10/1994 | US5309887 Method of detecting abnormality in exhaust gas recirculation control system of internal combustion engine and apparatus for carrying out the same |
| 05/10/1994 | US5309886 Supercharged internal combustion engine |
| 05/10/1994 | US5309883 Method for operating an internal combustion engine |
| 05/10/1994 | US5309791 Control system for both engine and automatic transmission |
| 05/10/1994 | US5309757 Cylinder identifying apparatus for a multi-cylinder internal combustion engine |
| 05/10/1994 | CA2017949C Multi-fuel engine control with canister purge |
| 05/10/1994 | CA2017948C Multi-fuel engine control with fuel control parameter lock |
| 05/10/1994 | CA2017858C Multi-fuel engine control with fuel transition delay |
| 05/10/1994 | CA1329343C Adaptive charge mixture control system for internal combustion engine |
| 05/05/1994 | DE4335762A1 Fuel-injected two-stroke IC engine adaptive misfire control |
| 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 |
| 05/05/1994 | DE4236922A1 Regulating fuel-air mixture of IC engine after over-run - registering over-run and enriching mixture for controlled period afterwards to compensate for excess oxygen referenced by upstream exhaust probe |
| 05/05/1994 | DE4236884A1 IC engine operational conditions recognition device - has belt with impulse transmitter marking and inductive sensor |
| 05/04/1994 | EP0595696A1 Supply device with integrated manifold |
| 05/04/1994 | EP0595586A2 A method for controlling an air/fuel ratio of an internal combustion engine |
| 05/04/1994 | EP0595584A2 Idle speed and fuel vapor recovery control system for internal combustion engine |
| 05/04/1994 | EP0595505A2 Apparatus for damping mechanical resonance in a vehicle powered by an engine |
| 05/04/1994 | EP0595044A2 A device for detecting deterioration of a catalytic converter for an engine |
| 05/04/1994 | EP0449846B1 Sensor element for boundary flow sensors to determine the lambda value of gas mixtures |
| 05/04/1994 | EP0277240B1 Apparatus for measuring the amount of the air intaken by the engine |
| 05/03/1994 | US5307783 Boost pressure control system for an engine |
| 05/03/1994 | US5307777 Throttle opening control system for automotive engine |
| 05/03/1994 | US5307776 Recognition algorithm for electronic throttle control |
| 05/03/1994 | US5307626 Method and apparatus for controlling an internal combustion engine, using the current temperature of a downstream catalytic converter |
| 05/03/1994 | US5307625 Method and arrangement for monitoring a lambda probe in an internal combustion engine |
| 04/28/1994 | WO1994009431A1 System for adding gaseous materials to combustion system |
| 04/28/1994 | DE4336130A1 Electronic controller for internal combustion engine of motor vehicle - has first CPU for fuel control, second for throttle control, and transfers throttle opening rate signal calculated in first to second |
| 04/28/1994 | DE4334210A1 Computerised control of motor vehicle drive assembly - allows engine-to-flywheel transmission clutch to be re-engaged in circumstances not incurring waste of fuel |
| 04/28/1994 | DE4236009A1 Combustion engine air-intake control during engine braking - involves adjustments of mixt. intake and exhaust to obtain max. engine braking as soon as road wheels are braked |
| 04/28/1994 | DE4236008A1 Adaptive lambda control for individual cylinders of IC engine - involves estimation of adaptation value from measured temp. and two values characteristic of adaptation temperature-dependence |
| 04/28/1994 | DE4236007A1 Four-stroke IC engine starting with air intake control - overrides normal operations of air, fuel and ignition controls in order to secure optimum mixture ratio for ignition |
| 04/28/1994 | DE4235880A1 Vehicle variable parameter detection method - involves comparison of signal values on two or more signal lines to detect short circuits |
| 04/27/1994 | EP0594318A1 Method of and apparatus for fuelling an internal combustion engine |
| 04/27/1994 | EP0594114A2 Fuel metering control system in internal combustion engine |
| 04/27/1994 | EP0593800A1 Method to manage an internal combustion engine at full load |
| 04/26/1994 | US5307276 Learning control method for fuel injection control system of engine |
| 04/26/1994 | US5305727 Oxygen sensor monitoring |
| 04/26/1994 | US5305724 Evaporative fuel control unit for internal combustion engine |
| 04/26/1994 | US5305723 Control apparatus for internal combustion engine |