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Class Information
Number: 123/681
Name: Internal-combustion engines > Charge forming device (e.g., pollution control) > Including exhaust gas condition responsive means > Combined with engine condition responsive means > Engine load responsive
Description: Subject matter wherein the control means is responsive to a parameter indicative of the resistance to rotation of an output shaft of the engine.










Sub-classes under this class:

Class Number Class Name Patents
123/682 Acceleration or deceleration responsive 161
123/684 Pressure downstream of throttle valve responsive 104
123/683 Throttle position responsive 106


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4617891 Secondary air supply for internal combustion engine Oct. 21, 1986
4598678 Intake system of an internal combustion engine Jul. 8, 1986
4594984 Regulation device for the mixture composition of an internal combustion engine Jun. 17, 1986
4586481 Secondary air supply for internal combustion engine May. 6, 1986
4584982 Arrangement for a fuel metering system for an internal combustion engine Apr. 29, 1986
4566419 Apparatus and method for controlling air-to-fuel ratio for an internal combustion engine Jan. 28, 1986
4557242 Air/fuel ratio feedback control system for an internal combustion engine of a vehicle Dec. 10, 1985
4517947 Multiple cylinder engine having air-fuel ratio control means in accordance with a signal from an exhaust gas sensor May. 21, 1985
4497302 Fuel control apparatus for internal combustion engine Feb. 5, 1985
4485794 Method and apparatus for controlling diesel engine exhaust gas recirculation partly as a function of exhaust particulate level Dec. 4, 1984
4483301 Method and apparatus for controlling fuel injection in accordance with calculated basic amount Nov. 20, 1984
4476834 Air-fuel ratio control system Oct. 16, 1984
4462373 Air-to-fuel ratio control method and apparatus Jul. 31, 1984
4461258 Regulating device for a fuel metering system of an internal combustion engine Jul. 24, 1984
4452211 Air-fuel ratio control apparatus Jun. 5, 1984
4449508 Electrically controlled or regulated fuel metering system for an internal combustion engine May. 22, 1984
4442817 Electronically controlled fuel metering system Apr. 17, 1984
4428345 Fuel metering system for an internal combustion engine Jan. 31, 1984
4409949 Exhaust gas recirculation control means for multiple cylinder engine having means for controlling air-fuel ratio in accordance with a signal from an exhaust gas sensor Oct. 18, 1983
4407247 Closed loop type air-fuel ratio control system of an internal combustion engine Oct. 4, 1983
RE31174 Fuel injection system Mar. 15, 1983
4376431 Air-fuel ratio control system with altitude compensator Mar. 15, 1983
4364358 Air-fuel ratio control system Dec. 21, 1982
4359990 Fuel injection system Nov. 23, 1982
4359029 Air/fuel ratio control system for an internal combustion engine Nov. 16, 1982
4348996 System for controlling air-fuel ratio Sep. 14, 1982
4348727 Air-fuel ratio control apparatus Sep. 7, 1982
4304208 Internal combustion engine Dec. 8, 1981
4294212 Air-fuel ratio control method and apparatus of an internal combustion engine Oct. 13, 1981
4231338 Internal combustion engine Nov. 4, 1980
4203394 Closed-loop emission control apparatus for internal combustion engine with a circuit for generating offset voltage that cancels error introduced during use May. 20, 1980
4186715 Split engine operation of closed loop controlled multi-cylinder internal combustion engine Feb. 5, 1980
4161933 Mixture control apparatus for internal combustion engines Jul. 24, 1979
4140086 Apparatus for adjusting the combustible mixture of an internal combustion engine Feb. 20, 1979
4129105 Air-to-fuel ratio control system for internal combustion engines Dec. 12, 1978
4077207 Additional air control device for maintaining constant air-fuel ratio Mar. 7, 1978
4073269 Fuel injection system Feb. 14, 1978
4061117 Method of controlling air-fuel mixture in internal combustion engine and a system therefor Dec. 6, 1977

1 2 3 4










 
 
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