Vibration sensor for an automotive vehicle engine

Details Vibration sensor for an automotive vehicle engine Vibration sensor for an automotive vehicle engine

1980-07-08

1982-12-21

Gill, James J.

Measuring and testing

Engine detonation

Combustion signal compared to reference signal varied by a...

310329, 73654, G01L 2322

Patent

active

043642594

ABSTRACT:
A vibration sensor for an automotive vehicle having a piezoelectric element of diaphragm type for detecting mechanical vibrations from an internal combustion engine such as knocking frequency. The piezoelectric element is formed within a holder of plastic or the like and bonded thereto in a manner to accurately regulate the clamping pressure at the element periphery and regulate the vibration area thereof to accurately regulate the resonant frequency of the vibration sensor.

REFERENCES:
patent: 3252016 (1966-05-01), Hayer et al.
patent: 3351393 (1967-11-01), Emmerich
patent: 3650003 (1972-03-01), Toyoshima
patent: 4103264 (1978-07-01), Howatt et al.

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