Method of and system for detecting misfire in internal combustio

Details Method of and system for detecting misfire in internal combustio Method of and system for detecting misfire in internal combustio

1976-12-21

1978-04-11

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

60277, G01M 1500

Patent

active

040832341

ABSTRACT:
A method of and a system for detecting a misfire caused in a spark-ignition internal combustion engine, characterized by producing a signal wave having a frequency variable with the frequency of exhaust noises of the engine and a signal variable with the output speed of the engine and analyzing the frequency characteristics of the signal wave on the basis of the signal representative of the engine output speed.

REFERENCES:
patent: 3872292 (1975-03-01), Dawson, Jr.
patent: 3908366 (1975-09-01), Masaki
patent: 3924457 (1975-12-01), Oshima et al.

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