Differential pressure transducer

Details Differential pressure transducer Differential pressure transducer

1976-12-02

1978-02-14

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73718, 73407R, 361283, G01L 708, G01L 912

Patent

active

040731910

ABSTRACT:
A differential-pressure transducer of the type comprising a measuring diaphragm supported at its peripheral edges and its sides presented to respective internal chambers filled with a pressure-transmitting liquid, the chambers and the diaphragm being contained in a body mounted within the interior space of an outer housing, there also being provided a pair of seal diaphragms remote from the measuring diaphragm and establishing liquid-filled isolation chambers communicating with said internal chambers respectively, the opposite sides of the seal diaphragms being adapted to receive the pressures whose differential is to be measured, and the peripheries of the seal diaphragms being secured to the housing.

REFERENCES:
patent: 3058350 (1962-10-01), Brown
patent: 3559488 (1971-02-01), Weaver
patent: 3793885 (1974-02-01), Frick

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