Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1985-03-25
1986-02-18
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123479, F02D 4114
Patent
active
045705992
ABSTRACT:
An air-fuel ratio feedback control system for use with an internal combustion engine, which is adapted to control the air-fuel ratio of a mixture being supplied to the engine, by the use of a first coefficient variable in response to the output of an exhaust gas concentration sensor arranged in the exhaust system of the engine when the engine is operating in an operating condition other than particular operating conditions, and by the use of a second coefficient which is a mean value of values of the first coefficient obtained during the above operating condition other than the particular operating conditions when the engine is operating in one of the particular operating conditions, for replacing the first coefficient with the second coefficient. Storage means is provided for storing and holding the value of the second coefficient even when the engine is inoperative.
REFERENCES:
patent: 3681658 (1972-08-01), Naoi et al.
patent: 4365299 (1982-12-01), Kondo et al.
patent: 4392471 (1983-07-01), Miyagi et al.
patent: 4397279 (1983-08-01), Iida
patent: 4445482 (1984-05-01), Hasegawa et al.
Hasegawa Shumpei
Kishi Noriyuki
Dolinar Andrew M.
Honda Giken Kogyo K.K.
Lessler Arthur L.
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