Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02D - Controlling combustion engines › F02D 41 - Electrical control of supply of combustible mixture or its constituents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
02/1980
02/19/1980US4188926 Automotive internal combustion engine servo control system, particularly for automatic speed control arrangement
02/19/1980US4188922 Digital control device for a fuel injection system of an internal combustion engine
02/19/1980US4188921 Method and apparatus for defining duration of fuel injection control pulses
02/19/1980US4188920 Method and apparatus for controlling the operation of an internal combustion engine
02/12/1980US4187816 Air-fuel ratio controlling system for an internal combustion engine
02/12/1980US4187814 Altitude compensation apparatus
02/12/1980US4187812 Closed loop fuel control with sample-hold operative in response to sensed engine operating parameters
02/12/1980US4187806 Fuel-air mixture control apparatus
02/12/1980US4187805 Fuel-air ratio controlled carburetion system
02/12/1980CA1071737A1 Closed loop air-fuel ratio control system for use with internal combustion engine
02/06/1980EP0007724A1 Fuel injector valve
02/05/1980US4187163 Electrochemical exhaust gas oxygen sensor construction
02/05/1980US4186715 Split engine operation of closed loop controlled multi-cylinder internal combustion engine
02/05/1980US4186701 Feedback control of exhaust gas recirculation based on combustion condition
02/05/1980US4186700 Low leakage integrator for carburetor control
02/05/1980US4186694 Temperature control system of an engine exhaust gas component sensor
02/05/1980US4186691 Delayed response disabling circuit for closed loop controlled internal combustion engines
02/05/1980CA1071315A1 Feedback air-fuel ratio control system for internal combustion engine capable of providing constant control signal at start of fuel feed
01/1980
01/29/1980US4185779 Fuel injector
01/29/1980US4185598 Internal combustion engine
01/22/1980US4184461 Acceleration enrichment for closed loop control systems
01/22/1980US4184460 Electronically-controlled fuel injection system
01/22/1980US4184458 Method of controlling fuel injection in engine and unit therefor
01/22/1980CA1070197A1 Exhaust gas purifying system with an air-fuel mixture heating means
01/15/1980US4183335 Exhaust gas sensor operating temperature detection for fuel mixture control system
01/15/1980CA1070002A1 Electronic closed loop control system for internal combustion engine
01/15/1980CA1069830A1 Exhaust gas purifying system
01/08/1980US4182300 Trouble warning device for an air-fuel ratio sensor
01/08/1980US4182292 Closed loop mixture control system with a voltage offset circuit for bipolar exhaust gas sensor
01/01/1980US4181944 Apparatus for engine control
01/01/1980US4181104 Idle speed controller for internal combustion engines
01/01/1980CA1069203A Fuel control apparatus for dual chamber stratified charge engine systems
01/01/1980CA1069202A Fuel injection systems
12/1979
12/25/1979US4180037 Injection pump control system
12/25/1979US4180029 2-Cycle engine of an active thermoatmosphere combustion
12/25/1979US4180026 Apparatus for controlling the operating current of electromagnetic devices
12/25/1979US4180025 Fuel injection system
12/25/1979US4180023 Electronically-controlled fuel injection system for internal combustion engine having odd numbers of cylinders
12/25/1979US4180022 Fuel injection system and control valve for multi-cylinder engines
12/25/1979US4180020 Pulse smoothing circuit for an electronic fuel control system
12/25/1979US4179882 Apparatus for controlling the amount of secondary air fed into an internal combustion engine
12/25/1979CA1068800A Control system for normalizing the air/fuel ratio in a fuel injection system
12/18/1979US4178891 Method and apparatus for controlling the operation of an internal combustion engine
12/18/1979US4178884 Method and system to control the mixture air-to-fuel ratio
12/18/1979US4178883 Method and apparatus for fuel/air mixture adjustment
12/18/1979US4178793 Apparatus for oxygen sensor impedance measurement
12/18/1979CA1068377A1 Fuel metering apparatus and method
12/12/1979EP0006010A1 Anti-theft system for automotive vehicles
12/11/1979US4177788 Diesel engine fuel control apparatus
12/11/1979US4177787 Deteriorated condition detecting apparatus for an oxygen sensor
12/11/1979US4177770 Compensation of sensor voltage for reference potential variation
12/04/1979US4176822 Fuel injection system and control valve for multi-cylinder engines
12/04/1979US4176629 Electric control method for fuel injection and ignition timing
12/04/1979US4176627 Fuel-intermittent-injection installation for internal-combustion engines
12/04/1979US4176626 Air-fuel ratio feedback control system
12/04/1979US4176625 Pulse time addition circuit for electronic fuel injection systems
12/04/1979US4176624 Diesel engine with electronic control
11/1979
11/29/1979WO1979000979A1 Electronic engine control
11/28/1979EP0005613A2 Temperature circuit for oxygen sensor during warm-up
11/27/1979US4176387 Inductive drive circuit for setting three different levels of load current including a downshift delay
11/27/1979US4175587 Fuel injection system and control valve for multi-cylinder engines
11/27/1979US4175528 Fuel supply device for internal combustion engine
11/27/1979US4175521 Air-fuel ratio adjusting system
11/27/1979CA1067179A1 Increasing warm up enrichment as a function of manifold absolute pressure
11/27/1979CA1067178A1 Fuel control system having an auxiliary circuit for correcting the signals generated by the pressure sensor during transient operating conditions
11/20/1979US4174694 Fuel injection control system
11/20/1979US4174690 Air-fuel ratio control device
11/20/1979US4174689 Electronic closed loop air-fuel ratio control system
11/20/1979US4174682 Auxiliary fuel injection control circuit
11/20/1979US4174681 Two-group/simultaneous full injection conversion system for multiple cylinder engines
11/20/1979US4174680 Closed loop air-fuel ratio control system
11/20/1979CA1066773A1 Method and apparatus for timing diesel engines
11/13/1979US4173957 Additional air supply system for an internal combustion engine
11/13/1979US4173956 Closed loop fuel control in accordance with sensed engine operational condition
11/13/1979US4173953 Fuel injection pulse suppressor apparatus
11/13/1979US4173952 Closed-loop mixture control system for an internal combustion engine with improved response characteristic to idling condition
11/13/1979CA1066028A1 Method of improving the operational capacity of three-way catalysts
11/06/1979US4173206 Electrostatic fuel injector
11/06/1979US4173205 Closed loop exhaust gas recirculation system
11/06/1979CA1065702A1 Electrostatic fuel injector
10/1979
10/30/1979US4173031 Solenoid valve current-programme control device
10/30/1979US4173030 Fuel injector driver circuit
10/30/1979US4172434 Internal combustion engine
10/30/1979US4172433 Process and apparatus for fuel-mixture preparation
10/30/1979US4172432 Oxygen sensor monitor apparatus
10/23/1979US4171692 Fuel injection control system
10/23/1979US4171690 Emission control system for internal combustion engines utilizing balance differential amplifier stage
10/23/1979CA1065036A1 Apparatus for controlling the traveling speed of a motor vehicle
10/23/1979CA1065017A1 Digital-analog frequency error signaling
10/18/1979WO1979000781A1 Device for regulating an engine-and-transmission unit in a motor vehicle
10/17/1979EP0004734A1 Comparator
10/16/1979US4170973 Exhaust gas recirculation system of an internal combustion engine
10/16/1979US4170969 Air fuel mixture control apparatus for internal combustion engines
10/16/1979US4170967 Apparatus for controlling the mixture of an internal combustion engine
10/16/1979US4170965 Compensation for inherent fluctuation in output level of exhaust sensor in air-fuel ratio control system for internal combustion engine
10/09/1979US4170274 Device for regulating the traveling speed of a motor vehicle
10/09/1979US4170202 Internal combustion engine
10/09/1979US4170201 Dual mode hybrid control for electronic fuel injection system
10/02/1979US4170040 Digital computer for calculating the optimal richness of the air/fuel mixture for internal combustion engines
10/02/1979US4169441 Arrangement for controlling an air-fuel ratio of an air-fuel mixture of an internal combustion engine
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