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)
09/1978
09/26/1978US4116169 Electronic control system
09/19/1978US4114578 Air-to-fuel ratio control system
09/19/1978US4114570 Start enrichment circuit for internal combustion engine fuel control system
09/12/1978US4112893 Air/fuel ratio control system for internal combustion engine having high input impedance circuit
09/12/1978US4112885 Throttle valve control system for an internal combustion engine
09/12/1978US4112880 Method of and mixture control system for varying the mixture control point relative to a fixed reference
09/12/1978US4112879 Process for the regulation of the optimum operational behavior of an internal combustion engine
09/12/1978CA1038250A1 Fuel injection system for internal combustion engines
09/05/1978US4112477 Circuit for energizing a fuel injector valve coil
09/05/1978US4111171 Closed-loop mixture control system for an internal combustion engine using sample-and-hold circuits
09/05/1978US4111169 Spark ignition internal combustion engines
09/05/1978US4111162 Method and system for controlling the mixture air-to-fuel ratio
09/05/1978US4111045 Air flow meter
09/05/1978US4111010 Automotive internal combustion engine
09/05/1978US4110978 Three functional catalyst
08/1978
08/29/1978US4109626 Fuel supply control system with feedback fuel pipe for internal combustion engine
08/29/1978US4109616 Injection control system for an internal combustion engine
08/29/1978US4109615 Apparatus for controlling the ratio of air to fuel of air-fuel mixture of internal combustion engine
08/22/1978USRE29741 Air-fuel ratio feed back type fuel injection control system
08/22/1978US4109174 Drive circuits for a piezoelectric stack
08/22/1978US4109148 Transparent plates with a radiograph thereon and process for the preparation thereof
08/22/1978US4108127 Modulated throttle bypass
08/22/1978US4108122 Air/fuel ratio for an internal combustion engine controlled by gas sensor in intake manifold
08/22/1978US4108121 Closed loop mixture control system using a two-barrel carburetor
08/22/1978US4108115 Fuel injection systems for compression ignition engines
08/22/1978US4107921 Fuel-injection internal combustion engine
08/22/1978US4107920 Method of and apparatus for controlling air/fuel ratio in internal combustion engine
08/15/1978US4107717 Method and apparatus for addressing a digital memory
08/15/1978US4107588 Multiple timing interval integrated circuit structure
08/15/1978US4106451 Air-fuel ratio adjusting system for internal combustion engines
08/15/1978US4106450 Air-to-fuel ratio feedback control system
08/15/1978US4106448 Internal combustion engine and method of operation
08/08/1978US4104991 Circuit for controlling the operability of one or more cylinders of a multicylinder internal combustion engine
08/08/1978US4104990 Process and apparatus for determining engine operation near the lean-running limit
08/08/1978US4104915 Ultrasonic device for the determination of the rate of air flow in the inlet duct of an internal combustion engine
08/01/1978US4103695 Method of and device for controlling solenoid operated flow control means
08/01/1978US4103655 Internal combustion engine
08/01/1978US4103649 Method and system for controlling the mixture air-to-fuel ratio
08/01/1978US4103486 Method of controlling temperature in thermal reactor for engine exhaust gas and ignition system for performing same
07/1978
07/25/1978US4102313 Device for the regulation of the air-fuel mixture in internal combustion engines
07/25/1978US4102310 Electronic circuit for use in a variety of engine control systems
07/18/1978US4100896 Computer controlled sonic fuel system
07/18/1978US4100892 Closed-loop mixture control for an internal combustion engine of a roadway vehicle with means for compensating for fuel deficiency during vehicle start-up periods
07/18/1978US4100891 Electronic fuel injection control system
07/18/1978US4100735 Secondary air control system in an internal combustion engine
07/11/1978US4100234 Carburetor
07/11/1978US4099592 Speed limiter devices for automobiles
07/11/1978US4099507 Method and system to control the duty cycle of a pulse voltage changing in frequency
07/11/1978US4099495 Method and apparatus to determine the timing of a periodically repetitive event with respect to the position of a rotating body, and more particularly ignition timing, fuel injection timing, and the like, in automotive internal combustion engines
07/11/1978US4099493 Method and apparatus for controlling an internal combustion engine
07/11/1978US4099491 System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration
07/04/1978US4098560 Fuel injection pumps for internal combustion engines
07/04/1978US4098367 Automotive vehicle speed control system
07/04/1978US4098235 Fuel feed control apparatus and system
07/04/1978US4098234 Engine control system
06/1978
06/27/1978US4096839 Internal combustion engine air-fuel ratio control system utilizing oxygen sensor
06/27/1978US4096834 Air-to-fuel ratio feedback control system for internal combustion engines
06/27/1978US4096833 Circuit for frequency modulated fuel injection system
06/27/1978US4096831 Frequency modulated fuel injection system
06/27/1978US4096830 Control system for electrically energized engine fuel
06/27/1978US4096829 Water injection system for internal combustion engines
06/20/1978US4095570 Electronic engine control system and method of operation
06/20/1978US4095567 Carburation devices with idle adjustment
06/13/1978US4094275 Vaporized liquid fuel delivery and metering system
06/13/1978US4094274 Fuel injection control system
06/13/1978US4094273 Air-fuel ratio adjusting system
06/13/1978US4094186 Mixture control monitor apparatus
06/06/1978US4092959 Inlet gas mixer for internal combustion engine
06/06/1978US4092955 Roughness sensor
05/1978
05/30/1978US4092717 Method and apparatus for stabilizing the through flow of electromagnetic injectors
05/30/1978US4091783 Device for the regulation of the fuel-air mixture of an internal combustion engine
05/30/1978US4091777 Electronic control circuit for a carburetor device
05/30/1978US4091773 Frequency modulated single point fuel injection circuit with duty cycle modulation
05/16/1978US4089317 Apparatus for mixture enrichment in an internal combustion engine
05/16/1978US4089313 Closed-loop air-fuel mixture control apparatus for internal combustion engines with means for minimizing voltage swing during transient engine operating conditions
05/16/1978US4089311 Fuel supply system for internal combustion engines
05/16/1978US4089310 Internal combustion engine providing improved exhaust-gas purification
05/16/1978US4089214 Intake air amount detecting system
05/09/1978US4088927 Interference-protected, switch-controlled square wave generation circuit
05/09/1978US4088110 Engine idle control
05/09/1978US4088102 Auxiliary acceleration fuel feed device in an internal combustion engine
05/09/1978US4088096 Internal combustion engine comprising an exhaust system provided with probes for exhaust gas analysis
05/09/1978US4088095 Closed-loop mixture control system for an internal combustion engine using a differential amplifier with a reference voltage variable according to engine operating parameters
05/02/1978US4086890 Carburetor with altitude compensation assembly
05/02/1978US4086884 Method and apparatus for controlling the amount of fuel metered into an internal combustion engine
04/1978
04/25/1978US4085719 Vapor pressure regulator for a vaporized liquid fuel system
04/25/1978US4085716 Internal combustion engine with air-fuel ratio control device
04/18/1978US4084659 Automotive vehicle speed control system
04/18/1978US4084563 Additional air control device for an internal combustion engine
04/18/1978US4084560 Engine air-to-fuel ratio control system
04/18/1978US4084558 Air-to-fuel ratio controlling system for internal combustion engines
04/18/1978US4084552 Method and apparatus for fuel injection control
04/11/1978US4084240 Mass production of electronic control units for engines
04/11/1978US4083423 Vehicle road speed signal source
04/11/1978US4083337 Air-fuel ratio adjusting system
04/11/1978US4083234 Method of and system for detecting misfire in internal combustion engine
04/11/1978US4083183 Internal combustion engine for a vehicle
04/04/1978US4082066 Modulation for fuel density in fuel injection system
03/1978
03/28/1978US4080947 Apparatus and method for controlling ignition of multi-cylinder internal combustion engines with a passageway that bypasses throttle valve
03/28/1978US4080940 Engine control
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