Patents
Patents for F02D 41 - Electrical control of supply of combustible mixture or its constituents (70,958)
03/1981
03/18/1981EP0025406A1 Electronic fuel control system and method
03/17/1981US4256075 Fuel feed device for engine
03/17/1981US4256074 Control system for closed loop mixture correction and split engine operation
03/11/1981EP0024645A1 Method and apparatus for controlling the operation of a pump
03/11/1981EP0024531A2 Fuel injection device for internal-combustion engines
03/10/1981US4255789 Microprocessor-based electronic engine control system
03/10/1981US4254744 Method and apparatus for measuring air quantity in relation to engine speed
03/10/1981US4254742 Apparatus for adapting engine fuel supply to ambient air temperature
02/1981
02/25/1981EP0024233A2 Sequential fuel injection system with overlapping injector actuation
02/24/1981US4252099 Switching arrangement for regulation of the fuel-air mixture delivered to an internal combustion engine
02/24/1981US4252098 Air/fuel ratio control for an internal combustion engine using an exhaust gas sensor
02/24/1981US4252097 Viscosity compensated fuel injection system
02/24/1981US4252089 Regulator for the fuel quantity to be injected into an internal combustion engine with self-ignition
02/24/1981US4252016 Air flow rate metering instrument
02/24/1981US4251990 Air-fuel ratio control system
02/24/1981US4251989 Air-fuel ratio control system
02/24/1981CA1096471A1 Electronic corrector for carburetor
02/24/1981CA1096470A1 Closed loop mixture control system for internal combustion engine
02/24/1981CA1096469A1 Closed-loop mixture control system for an internal combustion engine with improved response characteristic to idling condition
02/24/1981CA1096468A1 Emission control apparatus for internal combustion engines with means for generating step function voltage compensating signals
02/24/1981CA1096467A1 Variable gain closed-loop control apparatus for internal combustion engines
02/24/1981CA1096256A1 Method and apparatus for control of pressure in internal combustion engines
02/17/1981US4251848 Electronic accelerator pump timing control
02/17/1981US4250855 Electronic control system for carburetor
02/17/1981US4250854 Speed control system for automotive vehicles
02/17/1981US4250853 Method and apparatus for controlling the fuel supply of an internal combustion engine
02/17/1981US4250849 Apparatus for controlling the starting function of an internal combustion engine
02/17/1981US4250842 Electronic injection carburetor
02/17/1981CA1096014A1 Fuel injection system with augmented temperature sensitive fuel enrichment for transient engine loads
02/17/1981CA1096013A1 Fuel injection system with switchable starting mode
02/17/1981CA1096012A1 Circuit for controlling the operability of one or more cylinders of a multicylinder internal combustion engine
02/11/1981EP0023677A1 Improvements in and relating to vehicle speed control systems
02/11/1981EP0023632A1 Method for controlling the amount of fuel supply for an engine
02/10/1981US4250493 Analog-to-digital converter employing constant-current circuit incorporating MISFET
02/10/1981US4249498 Apparatus for correcting a fuel apportionment signal in an internal combustion engine
02/10/1981US4249496 Air-fuel ratio feedback control apparatus of an internal combustion engine
02/10/1981US4249493 Method and system for generating operation-dependent control signals for apparatus, particularly ignition and fuel injections systems for internal combustion engines
02/10/1981US4249374 Split engine control system with exhaust gas recirculation
02/10/1981CA1095350A1 Electronic injection carburetor
02/05/1981WO1981000282A1 Fuel supply system for internal combustion engines
02/03/1981US4248196 Open loop compensation circuit
02/03/1981US4248194 Method and apparatus for controlling the operation of a pump
02/03/1981US4248187 Electronic control system for internal combustion engines
02/03/1981CA1095146A1 Start enrichment circuit for internal combustion engine fuel control system
02/03/1981CA1094846A1 Integral manifold absolute pressure and ambient absolute pressure sensor and associated electronics
01/1981
01/27/1981CA1094457A1 2-cycle engine of an active thermoatmosphere combustion type
01/20/1981US4246639 Start and warm up features for electronic fuel management systems
01/20/1981US4245605 Acceleration enrichment for an engine fuel supply system
01/20/1981US4245604 Neutral to drive transient enrichment for an engine fuel supply system
01/20/1981US4245603 Adaptive vehicle engine closed loop air and fuel mixture controller
01/20/1981US4245590 Electronic control apparatus for a fuel injection system in internal combustion engines
01/20/1981US4245471 Stoichiometric and enrichment mixture control during different split engine modes
01/20/1981CA1094206A1 Blocking oscillator for use with electromagnetic pump
01/13/1981US4245317 Start and warm up features for electronic fuel management systems
01/13/1981US4245314 Oxygen sensor qualifier
01/13/1981US4245312 Electronic fuel injection compensation
01/13/1981US4244340 Method and apparatus for controlling fuel management for an internal combustion engine
01/13/1981US4244334 Valve actuating and control circuit
01/08/1981WO1981000020A1 Fuel injection device
01/07/1981EP0021723A1 Digital Computer comprising input circuitry for a plurality of input lines
01/07/1981EP0021722A1 Binary input/output processing in a digital computer
01/07/1981EP0021721A1 Binary output processing in a digital computer
01/06/1981US4244050 Dual voltage regulator with low voltage shutdown
01/06/1981US4244023 Microprocessor-based engine control system with acceleration enrichment control
01/06/1981US4243009 Detonation control apparatus for outboard motor
01/06/1981US4242994 Idle speed control system for vehicle engines
01/06/1981US4242992 Internal combustion engine with fuel injectors
01/06/1981US4242991 Method and apparatus for adjusting fuel supply to an internal combustion engine
01/06/1981CA1093185A1 Circuit for frequency modulated fuel injection system
01/06/1981CA1093184A1 Frequency modulated single point fuel injection circuit with duty cycle modulation
01/06/1981CA1093183A1 Fuel injector cut off means for over temperature protection of exhaust treatment device
12/1980
12/30/1980US4242729 Switching control of solenoid current in fuel injection systems
12/30/1980US4242728 Input/output electronic for microprocessor-based engine control system
12/30/1980US4242606 Magnetic final control element for a regulator apparatus
12/30/1980US4241710 Closed loop system
12/30/1980CA1092680A1 Circuit for frequency modulated fuel injection system
12/23/1980US4240390 Air-fuel ratio control system in internal combustion engine
12/23/1980US4240389 Air-fuel ratio control device for an internal combustion engine
12/23/1980US4240383 Fuel metering device for an internal combustion engine
12/23/1980US4240382 Speed sensitive electronic fuel control system for an internal combustion engine
12/16/1980US4240145 Closed loop controlled auxiliary air delivery system for internal combustion engine
12/16/1980US4239022 Method and apparatus for fuel control of an internal combustion engine during cold-starting
12/16/1980CA1091789A1 Method and apparatus for controlling the amount of fuel metered into an internal combustion engine
12/16/1980CA1091788A1 Exhaust gas reaction control system
12/10/1980EP0020193A1 Apparatus for controlling the actuation of at least one electromagnetic fuel injector
12/10/1980EP0020192A1 Speed control system for maintaining at a preselected speed an engine powered vehicle
12/09/1980US4238813 Compensated dual injector driver
12/09/1980US4238697 RPM Information signal generating circuitry for electronic fuel control system
12/09/1980US4238692 Method and device for producing start pulses in periodic motion process
12/09/1980US4237839 Air-fuel ratio detecting system
12/09/1980US4237838 Engine air intake control system
12/09/1980US4237830 Vehicle engine air and fuel mixture controller with engine overrun control
12/09/1980US4237829 Variable reference mixture control with current supplied exhaust gas sensor
12/02/1980CA1090666A1 Circuit means and apparatus for controlling the air- fuel ratio supplied to a combustion engine
11/1980
11/25/1980US4236213 Apparatus for producing pulse width modulated signals
11/25/1980US4235205 Fuel feed device for engine
11/25/1980US4235204 Fuel control with learning capability for motor vehicle combustion engine
11/25/1980US4235096 Gas detection apparatus
11/25/1980CA1090447A1 Closed-loop mixture control system for internal combustion engine using error-corrected exhaust composition sensors
11/25/1980CA1090446A1 Control device for carburetor