Engine knocking detection system

Details Engine knocking detection system Engine knocking detection system

1996-08-02

1998-07-21

Dombroske, George M.

Measuring and testing

Test stand

For engine

123419, 123436, 701110, 701111, G01M 1500

Patent

active

057837449

ABSTRACT:
A knocking detecting system has an electronic control unit to detect the knocking caused by an abnormal combustion of a gasoline engine. The electronic control unit determines whether the knocking is generated according to an angular velocity variation. Specifically, the electronic control unit compares a variation of the crank angular velocity with respect to a predetermined variation value in the ignition area of the engine. Accordingly, the electronic control unit determines whether the knocking is generated

REFERENCES:
patent: 5041980 (1991-08-01), Maddock et al.
patent: 5095742 (1992-03-01), James et al.

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