Abnormality detection apparatus for vehicle engines

Details Abnormality detection apparatus for vehicle engines Abnormality detection apparatus for vehicle engines

1987-04-14

1988-04-12

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

36443107, G01M 1500

Patent

active

047366265

ABSTRACT:
In an abnormality detection apparatus for vehicle engines, a deceleration discriminating circuit discriminates a deceleration state of a vehicle engine on the basis of a running state of the engine detected by a running state detector for detecting a running state of the vehicle engine. When the deceleration discriminating circuit determines that the engine is being in deceleration state, a comparing circuit compares a vehicle speed detected by a vehicle speed detector with a predetermined value. An abnormality deciding circuit is responsive to a comparison result signal from the comparing circuit to decide abnormality of the vehicle speed detector.

REFERENCES:
patent: 4233599 (1980-11-01), Brearley
patent: 4564916 (1986-01-01), Hori et al.

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