Misfire-detecting system for internal combustion engines

Details Misfire-detecting system for internal combustion engines Misfire-detecting system for internal combustion engines

1992-07-13

1995-01-10

Williams, Hezron E.

Measuring and testing

Test stand

For engine

123419, G01L 1500

Patent

active

053796349

ABSTRACT:
A misfire-detecting system for an internal combustion engine having a plurality of cylinders. A rotational speed of the engine is detected and a rotational speed signal indicative of the detected rotational speed of the engine is output. The rotational speed signal is filtered. Occurrence of a misfire in the engine is determined based on the filtered rotational speed signal.

REFERENCES:
patent: 5095742 (1992-03-01), James et al.
patent: 5200899 (1993-04-01), Ribbens et al.
patent: 5237862 (1993-08-01), Mangrulkar et al.
patent: 5269178 (1993-12-01), Vigmostad et al.

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