Gas cylinder gauge

Details Gas cylinder gauge Gas cylinder gauge

1990-01-25

1991-10-01

Huppert, Michael S.

Dispensing

Gas or vapor dispensing

73714, B67D 500

Patent

active

050525867

ABSTRACT:
A gauge is described for measuring the gas pressure in high pressure gas cylinders. The gauge is mounted in the high pressure port of the cylinder valve, while gas is delivered through a lower pressure portion. The gauge comprises a cylindrical housing and a retaining nut, with the housing rotatable relative to the retaining nut. The cylindrical housing encloses a coiled bourdon tube which communicates with the gas in the cylinder and coils up or uncoils in response to changes in pressure. A viewing glass encloses a pointer and scale arrangement seated in the housing to permit the gas cylinder pressure to be displayed.

REFERENCES:
patent: 4461657 (1984-07-01), Rana et al.
patent: 4479520 (1984-10-01), Holben
patent: 4484695 (1984-11-01), Fallon et al.
patent: 4578113 (1986-03-01), Rana et al.
patent: 4844111 (1989-07-01), Pritchard et al.

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