Differential pressure gauge

Details Differential pressure gauge Differential pressure gauge

1980-12-18

1983-06-21

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Diaphragm

73724, 361283, G01L 912

Patent

active

043888330

ABSTRACT:
A tubular body is closed at both ends by first and second plate-like members, respectively and a transducer for converting a deflection into an electric signal is provided between the first and second plate-like members. A through hole is made in at least one of the plate-like members and, on the outside of the plate-like member, a pressure receiving member is disposed. A pressure received by the pressure receiving member is transmitted to the transducer to deflect its moving part. When an overpressure larger than a measuring pressure is applied to the pressure receiving member to deflect it in excess of a predetermined value, the deflection is limited by one of the plate-like members to define a space between the plate-like member and the transducer, thereby to prevent the transducer from being affected by the overpressure received by the plate-like member.

REFERENCES:
patent: 3691842 (1972-09-01), Akeley
patent: 4257274 (1981-03-01), Shimada et al.
patent: 4262540 (1981-04-01), Tamai et al.

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