Patents
Patents for F02D 35 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for (6,645)
04/1979
04/24/1979US4150645 Circuit means and apparatus for controlling the air-fuel ratio supplied to a combustion engine
04/24/1979US4150641 Arrangement for controlling an air-fuel ratio of an air-fuel mixture of an internal combustion engine
04/17/1979US4149494 Air quantity metering apparatus
04/17/1979CA1052890A1 Air-fuel mixture control apparatus for carbureted internal combustion engine
04/17/1979CA1052889A1 Apparatus for controlling the air-fuel mixture ratio of internal combustion engine
04/17/1979CA1052888A1 Closed loop air-fuel ratio control system for use with internal combustion engine
04/17/1979CA1052646A1 Fuel control system for an internal combustion engine
04/10/1979US4148230 Emission control system dependent upon transmission condition in a motor vehicle
04/03/1979US4147143 Engine acceleration detection apparatus
03/1979
03/27/1979CA1051225A1 Vortex shedding device for use in measuring air flow rate into an internal combustion engine
03/27/1979CA1051224A1 Vortex shedding device for use in measuring air flow rate into an internal combustion engine
03/20/1979US4145272 Oxygen sensor
03/20/1979US4144858 Fuel supply apparatus for an internal combustion engine
03/20/1979US4144855 Device for controlling the air-fuel ratio of a mixture
03/20/1979CA1050840A1 Vacuum retard delay valve for an ic engine ignition timing system
03/13/1979CA1050370A1 Automotive engine carburetor
03/06/1979US4142675 Three port thermal vacuum valve with electrical switch
03/06/1979US4142407 Air flow metering apparatus for internal combustion engines
02/1979
02/27/1979US4141240 Flow rate measuring device
02/27/1979CA1049350A1 Throttle valve operating mechanism
02/20/1979US4140275 Temperature responsive valve construction
02/13/1979US4138979 Fuel demand engine control system
02/13/1979CA1048355A1 Spark-ignition internal combustion engine capable of preventing noxious gas emissions
01/1979
01/23/1979US4135482 Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine
01/02/1979US4132195 Method and apparatus for fuel mixture control
01/02/1979US4132194 Valve arrangement for use in mixture ratio control system of internal combustion engine
12/1978
12/19/1978CA1044543A1 Combination of a crankcase ventilation system and an air-fuel ratio control system for an engine
12/12/1978US4129099 Galvanic exhaust gas sensor with solid electrolyte
12/12/1978CA1044094A1 Control system for promoting catalytic removal of noxious components from exhaust gas of internal combustion engine
12/12/1978CA1044093A1 Air/fuel ratio control system in internal combustion engine
12/05/1978US4128088 Apparatus and system for controlling the air-fuel ratio supplied to a combustion carburetor
11/1978
11/21/1978CA1042743A1 Fuel regulator for an internal combustion engine
11/14/1978CA1042293A1 System to control the ratio of air to fuel of the mixture delivered to an internal combustion engine
10/1978
10/31/1978US4122706 Apparatus for computing the mean indicated pressure of an engine
10/24/1978US4121549 Apparatus for metering fuel and air for an engine
10/24/1978US4121547 Closed loop air-fuel ratio control system for use with internal combustion engine
10/17/1978CA1040496A1 Condition responsive control device
10/10/1978US4119512 Air-fuel ratio detecting apparatus
10/10/1978US4118976 Switch device for detecting a position of a throttle valve of an internal combustion engine
09/1978
09/26/1978US4116184 Apparatus for treating evaporated fuel gas
09/19/1978US4114372 Internal combustion engine with air-fuel ratio control device
09/05/1978US4111170 Air-fuel ratio control system
09/05/1978US4111169 Spark ignition internal combustion engines
09/05/1978US4111045 Air flow meter
09/05/1978US4111010 Automotive internal combustion engine
09/05/1978US4110979 Apparatus for introducing secondary air into an exhaust system of an internal combustion engine
08/1978
08/29/1978US4109626 Fuel supply control system with feedback fuel pipe for internal combustion engine
08/22/1978US4108121 Closed loop mixture control system using a two-barrel carburetor
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
08/15/1978US4106456 Fuel supply installation for internal combustion engines
08/08/1978US4105726 Internal combustion engines
08/01/1978US4103695 Method of and device for controlling solenoid operated flow control means
08/01/1978US4103657 Twin-barrel carburetor with an air-fuel ratio control device
08/01/1978US4103654 Method and apparatus to control air/fuel ratio of the mixture applied to an internal combustion engine
07/1978
07/18/1978US4100897 Apparatus for regulating the fuel-air mixture delivered to an internal combustion engine
07/18/1978US4100735 Secondary air control system in an internal combustion engine
07/11/1978US4100234 Carburetor
06/1978
06/13/1978US4094291 Apparatus for mixing a vaporized liquid fuel with air
06/13/1978US4094275 Vaporized liquid fuel delivery and metering system
05/1978
05/30/1978US4091781 Air-fuel ratio control system in an internal combustion engine
05/16/1978US4089311 Fuel supply system for internal combustion engines
05/16/1978US4089307 Internal combustion engine
05/16/1978US4089215 Air flow transducer
05/09/1978US4088100 Air/fuel ratio control system in internal combustion engine
05/09/1978US4087964 System for introducing secondary air into an internal combustion engine
05/02/1978US4086890 Carburetor with altitude compensation assembly
04/1978
04/25/1978US4085723 Fuel control system for internal combustion engine
04/25/1978US4085719 Vapor pressure regulator for a vaporized liquid fuel system
04/25/1978US4085716 Internal combustion engine with air-fuel ratio control device
04/11/1978US4083341 Process and apparatus for the regulation of the fuel-air mixture of an internal combustion engine through the admission of auxiliary air
04/11/1978US4083338 Apparatus for controlling the fuel-air mixture of an internal combustion engine
04/11/1978US4083336 Condition responsive control device
03/1978
03/21/1978US4079808 Temperature sensitive device for causing abnormal muffler operation
03/21/1978US4079713 Refinements to constant depression carburettors
03/14/1978US4078379 Exhaust gas purifying system
03/07/1978US4077373 Ignition timing control device for an internal combustion engine
03/07/1978US4077371 Fuel saving system for automobiles
02/1978
02/28/1978US4075834 Air-fuel ratio control adjusting system in an internal combustion engine
02/21/1978US4074566 Intake air amount detecting device for an internal combustion engine
02/14/1978US4073274 Air-fuel metering system for internal combustion engine and apparatus to control air fuel ratio of air-fuel being applied to engine
02/07/1978US4072137 Air-to-fuel ratio adjusting system for an internal combustion engine
01/1978
01/17/1978US4068637 Multicylinder internal combustion engine
01/03/1978US4065920 Two barrel carburetor
12/1977
12/27/1977US4064854 Air valve for a fuel injection system
12/27/1977US4064843 Fuel metering and injection system for internal combustion engines
12/20/1977US4063897 Solid electrolyte type air-fuel ratio detector
12/13/1977US4062337 Electro-pneumatic device for regulating the supply of air to an internal combustion engine
12/06/1977US4061265 Pressure and temperature responsive valve assembly
12/06/1977US4061116 Knock level control apparatus for an internal combustion engine
11/1977
11/29/1977US4060064 Fuel ratio control system
11/22/1977US4059081 EVAP system-provided throttle valve control unit
11/22/1977US4058978 Regulating device for metering a supplementary air quantity to improve combustion in combustion engines
11/15/1977US4058100 Intake air flow rate measuring device for internal combustion engine
11/08/1977US4057042 Air-fuel mixture control apparatus for internal combustion engines using digitally controlled valves
11/08/1977US4056932 Control system for promoting catalytic removal of noxious components from exhaust gas of internal combustion engine
10/1977
10/04/1977US4052663 Timing system for measuring angle of advance of fuel injection
09/1977
09/13/1977US4048479 Fuel mixture computer for internal combustion engines
09/06/1977US4046120 Regulating system with electromagnetic valve and control valve
09/06/1977US4046118 Air fuel mixture control apparatus for carbureted internal combustion engines
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