Washer-type pressure sensor

Details Washer-type pressure sensor Washer-type pressure sensor

1989-11-27

1991-03-05

Woodiel, Donald Q.

Measuring and testing

Vehicle drive train

Rear end

73754, G01L 906, G01M 1500

Patent

active

049968734

ABSTRACT:
A washer-type pressure sensor employs a cross-sectionally channel-shaped pressure plate which defines a space in which an assembly of a center electrode, piezoelectric elements, the other pressure plate and insulating members can be housed. With such construction, the insulating member surrounding the assembly of the center electrode, the piezoelectric elements, the outer pressure plate is not subject to corrosive liquid leaking from the inside of the engine. Therefore, life of the pressure sensor can be significantly expended.

REFERENCES:
patent: 4566316 (1986-01-01), Takeuchi
patent: 4686861 (1987-08-01), Morii

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