Knock sensor and manufacturing method thereof

Details Knock sensor and manufacturing method thereof Knock sensor and manufacturing method thereof

2007-04-10

2007-04-10

Kwok, Helen (Department: 2856)

Measuring and testing

Engine detonation

Specific type of detonation sensor

C310S329000

Reexamination Certificate

active

11098416

ABSTRACT:
A knock sensor is constructed by putting and fitting components including an annular piezoelectric element, terminal plate, insulating sheet and weight onto a base consisting of a flange portion and a tubular portion, forming a groove part on a tip outer circumferential surface of the tubular portion, fitting a stopper ring functioning to apply an axial preload to the components onto the tubular portion, and caulking fixedly the stopper ring and the tubular portion into the groove part.

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