Differential pressure gauge

Details Differential pressure gauge Differential pressure gauge

1979-03-15

1980-07-15

Woodiel, Donald O.

Measuring and testing

Volume or rate of flow

Using differential pressure

7386165, 73716, G01L 708

Patent

active

042121914

ABSTRACT:
A gauge for measuring differential pressure in an explosive blast wave, w tunnel, or shock tube, utilizes a tubular housing having a conical axially aligned inlet port, a cylindrical cavity which is divided into fore and aft sections by a transversely disposed pressure responsive diaphram. A plurality of symmetrically disposed off-set stagnation inlet tubes and a plurality of circumferentially positioned flow compensated side-on overpressure input slots are used to communicate with each of the respective fore and aft sections of the cavity. Variation in stagnation and side-on overpressures cause diaphram movement which is detected by a friction-free sensing member.

REFERENCES:
patent: 1428780 (1922-09-01), Jaray
patent: 2396703 (1946-03-01), Kamler et al.

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