Device for detecting misfire of internal combustion engine

Details Device for detecting misfire of internal combustion engine Device for detecting misfire of internal combustion engine

1992-10-14

1995-08-15

Chilcot, Jr., Richard E.

Measuring and testing

Vehicle chassis

Steering

36443108, G01N 1500

Patent

active

054409217

ABSTRACT:
In a device for judging of misfire of an internal combustion engine from a variation of crankshaft rotational speed during combustion stroke of each cylinders, a measurement period for measurement of crankshaft rotational speed at a cylinder is set by counting a predetermined number of first signals indicative of a predetermined rotational angle of a crankshaft firstly on the basis of a second signal indicative of a reference position of a camshaft and secondly and onward on the basis of the first signals used for setting the previous measurement section.

REFERENCES:
patent: 5041980 (1991-08-01), Maddock et al.
patent: 5200899 (1993-04-01), Ribbens et al.
patent: 5222392 (1993-06-01), Baba et al.
patent: 5237862 (1993-08-01), Mangrulkar et al.
patent: 5239473 (1993-08-01), Ribbens et al.
patent: 5245866 (1993-09-01), Hashiguchi et al.

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