Packaging of pressure sensor cells

Details Packaging of pressure sensor cells Packaging of pressure sensor cells

1976-12-13

1978-12-05

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73729, G01L 912

Patent

active

041280067

ABSTRACT:
A pressure capsule is shock mounted in a pressure chamber formed within a metal housing and is isolated from the environment of the pressure to be sensed by a sealing structure which is a part of the capsule mounting apparatus. The capsule includes a pair of electrical leads which extend in sealed relation into another part of the housing so as to be isolated from the deleterious effects of moisture and electric fields. The pressure chamber includes a fluid passageway which connects both sides of the pressure transducer to the pressure being sensed and includes radially extending and axially extending portions in the sealing structure. The chamber is formed by a pair of plates, each of which includes a recess and one of the plates is mounted against shoulders on the other plate to minimize assembly pressure and warping of the pressure capsule.

REFERENCES:
patent: 2216374 (1940-10-01), Martin
patent: 2879802 (1959-03-01), Bois
patent: 2999385 (1961-09-01), Wolfe
patent: 3808480 (1974-04-01), Johnston
patent: 4040118 (1977-08-01), Johnston

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