Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
07/1999
07/29/1999DE19902349A1 Water injection quantity control system for engine with water and fuel injection
07/29/1999DE19900383A1 Pulse flank setting device for semiconductor switch controlling servo braking amplifier magnetic valve
07/29/1999DE19853980A1 Combustion controller of in-cylinder injection engine
07/29/1999DE19832624A1 Determining the air/fuel ratio in an I.C. engine exhaust gas downstream of a nitrogen oxide adsorber catalyst
07/29/1999DE19823513C1 Engine catalyser heating method
07/29/1999DE19802627A1 Procedure for operating IC engine, especially Diesel engine, with exhaust gas turbocharger
07/29/1999DE19802487A1 Measurement arrangement for electrically decoupled functional testing of systems in operation
07/28/1999EP0931924A1 Method of control of the injection and ignition of the air/fuel mixture in an internal combustion engine
07/28/1999EP0931923A1 Control method to purge an exhaust gas catalytic converter of an internal combustion engine
07/28/1999EP0931922A2 Method and apparatus to purify the exhaust gas of an internal combustion engine
07/28/1999EP0931921A1 Exhaust gas purifying apparatus of lean-burn internal combustion engine
07/28/1999EP0931917A2 Combustion heater for internal combustion engine
07/28/1999EP0931914A1 Process for monitoring the operation of a catalytic converter of a motor vehicle
07/28/1999EP0931217A1 Method and device for regulating an internal combustion engine
07/28/1999EP0931212A1 Method for determining segment times
07/28/1999EP0931211A1 Internal combustion engine control according to running time
07/28/1999EP0930930A1 PROCESS FOR REMOVING NOx FROM EXHAUST FUMES
07/28/1999CN2330795Y Caburettor type gasoline engine exhaust purifying device
07/27/1999US5929533 Of a vehicle
07/27/1999US5929328 Method for checking the function of the electrical heater of a lambda probe in the exhaust line of an internal combustion engine
07/27/1999US5929320 Apparatus and method for judging deterioration of catalysts device and oxygen content sensing device
07/27/1999US5928303 Diagnostic system for diagnosing deterioration of heated type oxygen sensor for internal combustion engines
07/27/1999US5928111 Fuel cut-off and fuel-supply recovery control system for internal combustion engine coupled to an automatic power transmission with a lock-up torque converter
07/27/1999US5927421 Device for controlling engine intake throttle for turn stability control of vehicle
07/27/1999US5927260 In an engine
07/27/1999US5927253 Of a fuel injected internal combustion engine
07/27/1999US5927252 Ignition timing control apparatus for internal combustion engine
07/27/1999US5927251 Driving control apparatus for engine of vehicle
07/27/1999US5927250 Car throttle controller
07/27/1999US5927248 Method of monitoring an overheating protective arrangement during full-load operation of an internal combustion engine
07/27/1999US5927247 Direct injected engine
07/27/1999US5927238 Valve timing for four stroke internal combustion engines
07/27/1999US5927068 Method and apparatus for monitoring the functioning of a catalytic converter
07/22/1999WO1999036839A1 User configurable bimodular engine management computer
07/22/1999WO1999036690A1 Device for estimating richness in an injection system for an internal combustion engine
07/22/1999WO1999036689A1 LEAN REGENERATION OF NOx STORAGE UNITS
07/22/1999DE19901942A1 Device for opening and closing valve of internal combustion engine
07/22/1999DE19801815A1 Lean-burn i.c. engine exhaust gas cleaning process
07/22/1999DE19801629A1 Catalyst diagnostics process for testing conversion capacity of IC engine exhaust gas catalyst
07/22/1999DE19801626A1 Catalyst diagnostics process for testing nitrogen oxide(s) storage capacity of i. c. engine exhaust gas catalyst
07/22/1999DE19801625A1 Monitoring method for NOx storage catalytic convertors
07/22/1999DE19801187A1 Procedure for operating IC engine with electrically operated adjusting device
07/21/1999EP0930431A2 Intake system for an internal combustion engine with at least two cylinders
07/21/1999EP0930426A2 Method for pre-setting the reference pressure for an accumulator fuel injection system
07/21/1999EP0930425A2 Exhaust emission control system for internal combustion engine
07/21/1999EP0930424A2 Method and apparatus for improving startoff in a vehicle equipped with a manual gearbox
07/21/1999EP0929911A1 Method and device for charging and discharging a piezoelectric element
07/21/1999EP0929794A1 Method and device for correcting margins of error of an indicating wheel
07/21/1999EP0472607B1 Method and apparatus for controlling the operation of a solenoid
07/21/1999CN1223710A Fuel purge control
07/20/1999US5925819 Combustion monitoring apparatus for internal combustion engine
07/20/1999US5925089 Model-based control method and apparatus using inverse model
07/20/1999US5925088 Air-fuel ratio detecting device and method
07/20/1999US5924959 Device for controlling an automatic transmission and an engine for vehicles
07/20/1999US5924956 Control system for automobile engine
07/20/1999US5924435 Method of energizing an electromagnetically operable control valve, and fuel system incorporating same
07/20/1999US5924407 Commanded, rail-pressure-based, variable injector boost current duration
07/20/1999US5924405 Apparatus and method for injecting fuel in cylinder injection type engines
07/20/1999US5924404 Cylinder-specific spark ignition control system for direct fuel injected two-stroke engine
07/20/1999US5924403 Method for enhanced split injection in internal combustion engines
07/20/1999US5924395 System for regulating valve timing of internal combustion engine
07/20/1999US5924281 Air-fuel ratio control system for internal combustion engines
07/15/1999WO1999035468A1 Electronic circuit for automatically compensating for errors in a displacement sensor
07/15/1999WO1999035388A1 Monitoring of leaks in an exhaust treatment system of an internal combustion engine
07/15/1999WO1999035387A1 Monitoring of leaks in an exhaust treatment system of an internal combustion engine
07/15/1999WO1999035386A1 Method for regenerating a nitrogen oxide trap in the exhaust system of an internal combustion engine
07/15/1999WO1999035374A1 System and method for controlling camshaft timing, air/fuel ratio and throttle position in an automotive internal combustion engine
07/15/1999DE19757875A1 Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs A method of operating an internal combustion engine in particular of a motor vehicle
07/15/1999CA2316924A1 Electronic circuit for automatically compensating for errors in a displacement sensor
07/14/1999EP0928890A2 Method for operating an NOx storage catalytic converter
07/14/1999EP0928493A1 System and method for servo control of nonlinear electromagnetic actuators
07/14/1999EP0928369A1 Premixed charge compression ignition engine with optimal combustion control
07/14/1999EP0928368A1 Fuel injection timing control for an internal combustion engine using a low cetane quality fuel
07/14/1999EP0928366A1 Secondary-air system for an internal combustion engine
07/14/1999EP0847486B1 Drive system, particularly for a motor vehicle
07/14/1999EP0669014B1 Electronic control device
07/13/1999US5922229 Housings, supports, heaters
07/13/1999US5922226 Method and apparatus for controlling energizing of heater in air-fuel ratio sensor
07/13/1999US5921886 Apparatus and method for controlling ignition during a throttle closed downshift in the interval between downshift signal and actual downshift
07/13/1999US5921883 System for managing engine retarding torque during coast mode operation
07/13/1999US5921226 Apparatus for controlling the fuel injection quantity
07/13/1999US5921223 Control apparatus for an internal combustion engine
07/13/1999US5921221 Method of controlling cyclic variation in engine combustion
07/13/1999US5921220 Engine feedback control
07/13/1999US5921219 Method and device for controlling an internal combustion engine
07/13/1999US5921218 Method and device for preventing engine knock during engine off-idle
07/13/1999US5921217 Two cycle engine provided with catalyst
07/13/1999US5921078 Diagnostic equipment for an exhaust gas cleaning apparatus
07/08/1999WO1999034268A1 Hydraulic magnetically actuated seat valve, especially for motor vehicle braking systems
07/08/1999WO1999034187A1 Method and device for monitoring the operation of a pressure sensor
07/08/1999WO1999034104A1 Method for operating an internal combustion engine, especially of an automobile
07/08/1999WO1999034103A1 Air-fuel mixture regulating system in an internal combustion engine
07/08/1999WO1999033548A1 Regeneration of a nox storage catalytic converter of an internal combustion engine
07/08/1999DE19860499A1 Fuel injection control system for internal combustion engine
07/08/1999DE19860323A1 Control device for internal combustion engines
07/08/1999DE19859913A1 Fuel supply device for internal combustion engines
07/08/1999DE19859824A1 Control device for injecting fuel into internal combustion engines
07/08/1999DE19848605A1 Fuel injection control device for engine
07/08/1999DE19813495C1 Method of isolating faulty cylinder in internal combustion engine
07/08/1999DE19757594A1 Verfahren und Vorrichtung zur Funktionsüberwachung eines Druckreglers Method and device for functional monitoring of a pressure regulator