Device for detection of abnormality in pressure detector for int

Measuring and testing – Vehicle chassis – Steering

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73 4R, G01M 1500

Patent

active

045370656

ABSTRACT:
A device for detecting an abnormality in a pressure detector in an internal combustion engine. This device includes a piezoelectric pressure detector, a timing detection unit, a selective connection unit, and an abnormality detection unit. The abnormality detection unit includes a capacitor connected to an oscillation circuit, and the piezoelectric pressure detector is connected in parallel with the series connection of the oscillation circuit and the capacitor.

REFERENCES:
patent: 4325251 (1982-04-01), Kanegae

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