Vibration sensor

Details Vibration sensor Vibration sensor

G - Physics

01

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349/31, 349/65,

G01H 1/00 (2006.01) G01H 11/08 (2006.01) G01L 23/22 (2006.01) H04R 1/46 (2006.01) H04R 17/00 (2006.01) H04R 17/02 (2006.01)

Patent

CA 1169144

ABSTRACT OF THE DISCLOSURE A vibration sensor for detecting the magnitude of engine vibration and generating electric power corresponding to the vibration incorporates a piezoelectric vibration element. The vibration sensor is used, for example, for detecting the knocking condition of an internal combustion engine. The piezoelectric element is secured onto an internal boss of a sensor housing by a threaded fastener. The fastener effectively secures the piezoelectric element onto the sensor boss so that the connection therebetween is not affected by vibration which could otherwise impair the electrical contact.

361157

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