Misfire detecting device of an internal combustion engine

Details Misfire detecting device of an internal combustion engine Misfire detecting device of an internal combustion engine

1991-05-07

1992-05-26

Williams, Hezron E.

Measuring and testing

Vehicle chassis

Steering

G01L 2322

Patent

active

051162598

ABSTRACT:
A misfire detecting device for an internal combustion engine comprises an inner cylinder pressure detector, a crank angle detector, and a misfire detector for determining that a misfire has occurred when the inner cylinder pressure at a predetermined crank angle after top dead center in an engine combustion cycle is below a predetermined value.

REFERENCES:
patent: 4403505 (1983-09-01), Hattori et al.
patent: 4449501 (1984-05-01), Greeves
patent: 4567755 (1986-02-01), Ootsuka et al.
patent: 4781059 (1988-11-01), Suzuki et al.
patent: 4991554 (1991-02-01), Wataya

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