Differential pressure transducer

Details Differential pressure transducer Differential pressure transducer

1979-12-13

1981-12-22

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73720, G01L 906

Patent

active

043064604

ABSTRACT:
A differential pressure transducer having a cantilever and a semiconductor strain gauge attached to each side of the cantilever at an intermediate portion of the latter. The cantilever has one end fixed by electron beam welding to a fixing member and the other end left for free displacement in response to a differential pressure. The displacement of the other end of the cantilever is detected as changes in the electric resistances of the semiconductor strain gauges.

REFERENCES:
patent: 3343420 (1967-09-01), Kondo et al.
patent: 3363456 (1968-01-01), Laimins
patent: 3894435 (1975-07-01), Shimada et al.
patent: 4058788 (1977-11-01), Andrews et al.
patent: 4104924 (1978-08-01), Caspar et al.
patent: 4203327 (1980-05-01), Singh
patent: 4212209 (1980-07-01), Newbold et al.

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