Apparatus for detecting misfire and for controlling fuel injecti

Details Apparatus for detecting misfire and for controlling fuel injecti Apparatus for detecting misfire and for controlling fuel injecti

1988-05-20

1990-05-22

Gruber, Felix D.

Boots, shoes, and leggings

731173, 123479, 36443105, F02M 5100, F02P 1700, F02P 1106

Patent

active

049282280

ABSTRACT:
An engine control apparatus which is constructed with a cylinder discrimination sensor for generating cylinder discrimination signal, a crank angle sensor for generating crank angle signal, a fuel injection valve provided in each cylinder of the engine, an ignition coil provided in correspondence to each and every cylinder, a flip-flop which functions to reverse in synchronism with ignition timing, misfire detector for detecting the state of misfire in each cylinder, and an engine control section for controlling the fuel injection valve and the ignition coil in correspondence to each cylinder upon receipt of the cylinder discrimination signal and the crank angle signal and for closing the fuel injection valve of the misfired cylinder upon receipt of the misfire detection signal.

REFERENCES:
patent: 3938075 (1976-02-01), Reddy
patent: 3948228 (1976-04-01), Luchaco
patent: 4006718 (1977-02-01), Konomi
patent: 4366794 (1983-01-01), Hachiga et al.
patent: 4372269 (1983-02-01), Coles
patent: 4558417 (1985-12-01), Akiyama et al.
patent: 4561056 (1985-12-01), Hirayama et al.
patent: 4567755 (1986-02-01), Ootsuka et al.
patent: 4626997 (1986-12-01), Takeda et al.
patent: 4710881 (1987-12-01), Mouri et al.
patent: 4727841 (1988-03-01), Hirose et al.

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