Differential pressure measuring transducer assembly

Details Differential pressure measuring transducer assembly Differential pressure measuring transducer assembly

1980-12-16

1982-12-21

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73706, G01L 906

Patent

active

043642764

ABSTRACT:
A differential pressure measuring transducer assembly including a measuring diaphragm formed of semiconductor material having gauge resistance elements on one surface thereof and a central boss area of large thickness and a peripheral support flange on the other surface thereof defining therebetween an annular portion of small thickness. The measuring diaphragm is attached at the peripheral support flange to a glass support member and a metallic support member formed with pressure conducting bores respectively communicating with each other. The metallic support member is formed of material having a Young's modulus substantially equal to that of the measuring diaphragm.

REFERENCES:
patent: 3341794 (1967-09-01), Stedman
patent: 3712143 (1973-01-01), Weaver et al.
patent: 4085620 (1978-04-01), Tanaka
patent: 4127840 (1978-11-01), House
patent: 4135408 (1979-01-01), DiGiovanni
patent: 4173149 (1979-11-01), Critten et al.
patent: 4222277 (1980-09-01), Kurtz et al.
patent: 4314225 (1982-02-01), Tominaga et al.

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