Fluid-pressure detector

Details Fluid-pressure detector Fluid-pressure detector

1989-07-13

1990-08-28

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73756, G01L 702

Patent

active

049515098

ABSTRACT:
A fluid-pressure detector comprising a pillow-like body capable of expanding and shrinking depending on pressure of fluid flowing in the pillow-like body, a detecting means for detecting an amount of expansion or shrinkage of the pillow-like body, and a connecting means for detachably connecting a detecting portion of the detecting means to an outer surface of the pillow-like body. Fluid pressure can be detected continuously and accurately both in the case of positive pressure and in the case of negative pressure. The detecting means is detachable from the pillow-like body, so that only the pillow-like body can be discarded while leaving the expensive detecting means as it is.

REFERENCES:
patent: 2420148 (1947-05-01), Ostergren
patent: 2862521 (1958-12-01), Fenoglio
patent: 3315534 (1967-04-01), Whippo
patent: 3982437 (1976-09-01), Sekizawa
patent: 4245508 (1981-01-01), Andresen, Jr.

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