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Class Information
Number: 123/682
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 > Acceleration or deceleration responsive
Description: Subject matter wherein the control means is responsive to a sudden demand for an increase or decrease in the power or torque output of the engine.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5134982 Distinction device of fuel in use for internal combustion engine Aug. 4, 1992
5127383 Adaptive acceleration enrichment for petrol injection systems Jul. 7, 1992
5058556 Device for determining activated condition of an oxygen sensor Oct. 22, 1991
5056491 Apparatus for controlling an air-fuel ratio in an internal combustion engine Oct. 15, 1991
5050563 Mixture control system for an internal combustion engine Sep. 24, 1991
5009210 Air/fuel ratio feedback control system for lean combustion engine Apr. 23, 1991
4991559 Fuel injection control device of an engine Feb. 12, 1991
4981122 Fuel injection control device of an engine Jan. 1, 1991
4976242 Fuel injection control device of an engine Dec. 11, 1990
4958612 Air-fuel ratio control method for internal combustion engines Sep. 25, 1990
4926827 Output correction method for exhaust gas ingredient-concentration sensors May. 22, 1990
4922877 System and method for controlling fuel injection quantity for internal combustion engine May. 8, 1990
4915081 Method of determining activation of exhaust gas ingredient-concentration sensors for internal combustion engines Apr. 10, 1990
4913120 Air-fuel ratio feedback control method for internal combustion engines Apr. 3, 1990
4903671 Air/fuel ratio control system for fuel injection internal combustion engine with improved acceleration characteristics after deceleration Feb. 27, 1990
4872117 Apparatus for controlling an air-fuel ratio in an internal combustion engine Oct. 3, 1989
4869224 In-engine deposit detection apparatus for engine control system Sep. 26, 1989
4854288 Air-fuel ratio control apparatus in internal combustion engine Aug. 8, 1989
4793312 Fuel supply control arrangement for an internal combustion engine Dec. 27, 1988
4760822 Method for controlling the air/fuel ratio of an internal combustion engine with a fuel cut operation Aug. 2, 1988
4751909 Fuel supply control method for internal combustion engines at operation in a low speed region Jun. 21, 1988
4744345 Air-fuel ratio feedback control method for internal combustion engines May. 17, 1988
4723521 Air/fuel ratio control system for an internal combustion engine Feb. 9, 1988
4712529 Air-fuel ratio control for transient modes of internal combustion engine operation Dec. 15, 1987
4706633 Air/fuel ratio feedback control system adapted to temporary open-loop control under transient conditions Nov. 17, 1987
4697559 Method of controlling an air-fuel ratio for an internal combustion engine Oct. 6, 1987
4697567 Air-fuel ratio control system of internal combustion engine Oct. 6, 1987
4671238 Air-fuel ratio control system Jun. 9, 1987
4665878 Fuel supply control system for engine May. 19, 1987
4651699 Air-fuel ratio control system Mar. 24, 1987
4651695 Air-fuel ratio control system Mar. 24, 1987
4649882 Air intake side secondary air supply system for an internal combustion engine equipped with a fuel increment control system Mar. 17, 1987
4648370 Method and apparatus for controlling air-fuel ratio in internal combustion engine Mar. 10, 1987
4644922 Method and apparatus for controlling the overrun mode of operation of an internal combustion engine Feb. 24, 1987
4643151 Fuel control apparatus for an internal combustion engine Feb. 17, 1987
4637364 Method for controlling air-fuel ratio for internal combustion engine and apparatus therefor Jan. 20, 1987
4633840 Method for controlling air-fuel ratio in internal combustion engine Jan. 6, 1987
4633841 Air-fuel ratio control for an international combustion engine Jan. 6, 1987
4628883 Air-fuel ratio control system Dec. 16, 1986
4627404 Method and apparatus for controlling air-fuel ratio in internal combustion engine Dec. 9, 1986
4617901 Air-fuel ratio feedback control method for internal combustion engines Oct. 21, 1986
4616619 Method for controlling air-fuel ratio in internal combustion engine Oct. 14, 1986
4612892 Air-fuel ratio control system Sep. 23, 1986
4593663 Control apparatus for an internal combustion engine having a carburetor Jun. 10, 1986
4586478 Air-fuel ratio control method and apparatus for an internal combustion engine May. 6, 1986
4569318 Secondary intake air supply system for internal combustion engines Feb. 11, 1986
4561403 Air-fuel ratio control apparatus for internal combustion engines Dec. 31, 1985
4558677 Air-fuel ratio control system Dec. 17, 1985
4534330 Air/fuel ratio detector Aug. 13, 1985
4512320 Method of and device for controlling fuel injection in internal combustion engine Apr. 23, 1985

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