Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
12/1991
12/03/1991US5069174 Fuel supplying device for marine propulsion engine
12/03/1991US5069035 Misfire detecting system in double air-fuel ratio sensor system
11/1991
11/28/1991WO1991018196A1 Fuel-supply system for internal-combustion engines
11/28/1991WO1991018195A1 Device for adjusting the throttle valve of internal combustion engines
11/28/1991WO1991018192A1 A method and a device for regulation of a turbo-charging device
11/27/1991EP0458775A2 Device for electronic measurement of the rotational speed of internal combustion engines and a method for motor surveillance using this device
11/27/1991EP0458081A2 Air flow meter
11/26/1991US5068794 System and method for computing asynchronous interrupted fuel injection quantity for automobile engines
11/26/1991US5067973 Automatic regeneration of diesel exhaust to remove soot
11/26/1991US5067578 Traction control system for motor vehicles
11/26/1991US5067469 Fuel vapor recovery system and method
11/26/1991US5067466 System for measuring air flow rate for internal combustion engines
11/26/1991US5067465 Lean burn internal combustion engine
11/26/1991US5067463 Method and apparatus for operating an engine
11/26/1991US5067462 Control device and method for multicylinder engine with a cylinder discrimination function
11/26/1991US5067461 Method and apparatus for metering fuel in a diesel engine
11/26/1991US5067460 Variable air/fuel ratio engine control system with closed-loop control around maximum efficiency and combination of Otto-diesel throttling
11/26/1991US5067459 Fuel timing control
11/21/1991EP0457033A2 Apparatus to detect a changing operating parameter
11/21/1991EP0456778A1 System for regulating an operative parameter of an internal combustion engine of a motor vehicle.
11/21/1991DE4016055A1 Kraftstoffversorgungssystem fuer eine brennkraftmaschine Fuel supply system for an internal combustion engine
11/19/1991US5066910 Rotational speed detector for an internal combustion engine comprising a waveform processor for eliminating unwanted pulses
11/19/1991US5065729 Cylinder recognition apparatus for a distributorless ignition system
11/19/1991US5065728 System and method for controlling air/fuel mixture ratio of air and fuel mixture supplied to internal combustion engine using oxygen sensor
11/19/1991US5065727 Air/fuel ratio control system for internal combustion engine
11/19/1991US5065726 Learning control method for an internal combustion engine and apparatus therefor
11/19/1991US5065718 Engine idle control valve
11/19/1991US5065717 Idle speed control system for engine
11/19/1991US5065716 Fuel supply control system for internal combustion engine with improved engine acceleration characterisitcs after fuel cut-off operation
11/19/1991US5065705 System for preventing overheat of engine for vehicle
11/19/1991CA2040706A1 Internal combustion engine
11/19/1991CA1292124C Energy recovery apparatus for turbo compound engine
11/14/1991WO1991017434A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process
11/14/1991WO1991017350A1 Process and device for determining the amount of fuel to be supplied to an internal-combustion engine with intermittent fuel injection during operation
11/14/1991WO1991017349A1 Method of controlling air-fuel ratio in internal combustion engine and system therefor
11/14/1991WO1991017069A1 Combined control system for motor vehicles
11/14/1991DE4015258A1 Four stroke engine fuel injection and ignition controller - uses ROM contg. corrections for timing signals supplied by mass produced electronic signal source
11/14/1991DE4014952A1 Verfahren und vorrichtung zur bestimmung der einer brennkraftmaschine mit intermittierender einspritzung waehrend des betriebs zuzufuehrenden kraftstoffmenge Method and device for determination of an internal combustion engine with intermittent injection during the operation amount of fuel supplied
11/13/1991EP0456616A1 A method and equipment for controlling the idling speed of an internal combustion engine
11/13/1991EP0456392A2 Control method for an internal combustion engine and electronic control apparatus therefor
11/13/1991EP0456283A1 Control system for internal combustion engine
11/13/1991EP0456282A1 Control system for internal combustion engine
11/13/1991EP0455640A1 Controller for a three-wheel turbocharger
11/12/1991US5064423 Acceleration aid for an internal combustion engine having an exhaust-driven turbocharger
11/12/1991US5064015 System and method for automatically controlling vehicle speed to a desired cruise speed
11/12/1991US5063903 Method and arrangement for controlling the metering of fuel in an internal combustion engine
11/12/1991US5063901 Diagnosis system and optimum control system for internal combustion engine
11/12/1991US5063886 Two-stroke engine
11/12/1991US5063736 Particulate filter trap load regeneration system
11/09/1991WO1991017351A1 An apparatus for driving a piezoelectric actuator
11/09/1991CA2063382A1 Apparatus for driving a piezoelectric actuator
11/07/1991DE4014561A1 Regelsystem fuer kraftfahrzeuge Control system for motor vehicles
11/06/1991EP0454875A1 Feedback control system of air/fuel ratio in internal combustion engines, especially in engines operating with gaseous fuel
11/06/1991EP0451207A4 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines
11/06/1991CN2088168U Intelligent protector of diesel engine
11/05/1991US5063510 Process for the adaptive control of an internal-combustion engine and/or another drive component of a motor vehicle
11/05/1991US5063287 Processing circuit for optical combustion monitor
11/05/1991US5062404 Engine throttle control system
11/05/1991US5062403 Internal combustion engine
11/05/1991US5062401 Fuel supplying device for marine propulsion unit
11/05/1991US5062400 Diesel engine shut-down device
11/05/1991US5062294 Apparatus for detecting pressure in cylinder of internal combustion engine
10/1991
10/31/1991DE4013751A1 Electronic control equipment for fuel injection of diesel engines - has sensors to measure exhaust emissions, esp. particulates and nitrogen oxide(s)
10/30/1991EP0454191A1 Method and apparatus for determining air mass in a combustion chamber of a two-stroke engine
10/30/1991EP0454101A1 Two cycle internal combustion engine with fuel injection
10/30/1991EP0453931A2 Torque ditribution control apparatus for four wheel drive
10/30/1991EP0453439A1 Electronic butterfly valve adjuster having continuous fault monitoring system.
10/30/1991EP0414781B1 Multicylinder internal-combustion engine
10/30/1991EP0365528B1 System for adjusting the throttle valve angle
10/29/1991US5060621 Vapor purge control system
10/29/1991US5060618 Method and apparatus for controlling torque variations in an internal combustion engine
10/29/1991US5060617 Fuel supply system for selectively increasing the fuel supply to an engine
10/29/1991US5060612 Fuel control apparatus for an internal combustion engine
10/29/1991US5060611 Process and device for influencing the air feed in an internal-combustion engine, in particular during idling and coasting
10/29/1991US5060608 Engine control apparatus
10/29/1991US5060604 Method of detecting failure of a valve timing changeover control system of an internal combustion engine
10/28/1991CA2058452A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process
10/24/1991DE4112588A1 Fehlerdiagnoseeinrichtung fuer einen fahrzeugmotor Fault diagnosis device for a motor vehicle
10/24/1991DE4112574A1 IC engine fuel system - calculates required air-fuel ratio for each different type of fuel
10/23/1991EP0453062A1 Apparatus and method to reduce automotive engine emissions
10/23/1991EP0452996A2 Air/fuel mixture ratio control system for internal combustion engine with feature of learning correction coefficient including altitude dependent factor
10/23/1991EP0373170B1 Device for protecting the systems and load of motor vehicles
10/22/1991US5060160 Method for calculating the quantity of fuel to be supplied to an internal combustion engine
10/22/1991US5058556 Device for determining activated condition of an oxygen sensor
10/22/1991US5058553 Variable-discharge high pressure pump
10/22/1991US5058552 Engine control apparatus
10/22/1991US5058551 System for identifying misfire cylinder in internal combustion engine
10/22/1991US5058550 Method for determining the control values of a multicylinder internal combustion engine and apparatus therefor
10/22/1991US5058547 Warning system for nozzle clog of a fuel injector
10/17/1991WO1991015671A1 Electric motor operated throttle for i.c. engine powered automotive vehicle
10/17/1991WO1991015670A1 Vapour venting system for vehicle fuel tanks and process for checking system operability
10/17/1991DE4030948C1 Monitoring removal of petrol vapour from IC engine fuel tank - detecting change in fuel-air mixt. composition during selected working conditions
10/16/1991EP0451829A2 A control device for an internal combustion engine
10/16/1991EP0451783A2 Apparatus for controllably sucking intake air into each cylinder of internal combustion engine and method for controlling intake air quantity thereof with improved responsive characteristics
10/16/1991EP0451462A1 Lean burn internal combustion engine
10/16/1991EP0451313A1 Canister purging system
10/16/1991EP0451295A1 Method and apparatus for air-fuel ratio learning control of internal combustion engine
10/16/1991EP0451207A1 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines.
10/15/1991US5057764 Idling engine speed controlling apparatus for an engine
10/15/1991US5057734 Apparatus for driving piezoelectric element for closing and opening valve member