Pressure transducer

Details Pressure transducer Pressure transducer

1983-04-06

1985-05-28

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

338 4, G01L 906

Patent

active

045192553

ABSTRACT:
A pressure transducer includes a restricting member having a curved surface portion. The curved surface portion is so defined as to have a shape corresponding to the state of deformation beyond the measuring limit, but within the elastic limit of the deformable portion of a pressure-sensitive element. When an overpressure acts on the pressure-sensitive element, the deformable portion of the pressure-sensitive element is brought into full contact with the curved surface portion of the restricting member before the deformable portion of the pressure-sensitive element is deformed beyond its elastic limit. Thus, the deformable portion is directly prevented from being displaced beyond its elastic limit.

REFERENCES:
patent: 4051451 (1977-09-01), Kurtz et al.
patent: 4080830 (1978-03-01), Eckstein et al.
patent: 4127840 (1978-11-01), House
patent: 4135408 (1979-01-01), Di Giovanni

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