Control apparatus for an internal combustion engine

Details Control apparatus for an internal combustion engine Control apparatus for an internal combustion engine

1989-10-03

1992-06-09

Argenbright, Tony M.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123198F, 123481, 731173, F02P 515, F02D 1702

Patent

active

051197839

ABSTRACT:
A control apparatus for an internal combustion engine has a vibration sensor which senses engine vibrations and a low-pass filter which passes a low-frequency component of the output of the vibration sensor. A comparator detects misfiring when the level of the low-frequency component exceeds a prescribed reference level. When misfiring is detected, a microcomputer identifies the misfiring cylinder and stops the supply of fuel to the misfiring cylinder. The control apparatus may also include a knocking suppression device responsive to a component of the output signal of the vibration sensor.

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patent: 4024850 (1977-05-01), Peter et al.
patent: 4426972 (1984-01-01), Kimura et al.
patent: 4586369 (1986-05-01), Vogler
patent: 4606316 (1986-08-01), Komurasaki
patent: 4821194 (1989-04-01), Kawamura
patent: 4846128 (1989-07-01), Yagi et al.
patent: 4887574 (1989-12-01), Kuroiwa et al.
patent: 5005549 (1991-04-01), Pernpeintner et al.

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