Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Patent
1991-09-27
1992-11-03
Rivell, John
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
13724622, 137551, 137599, 251298, 251356, 73 498, F16K 3700
Patent
active
051599546
ABSTRACT:
This invention relates to a shutoff mechanism, in particular in the form of a hinged safety-valve for large gas ducts, which contains a plate-shaped shutoff body which can be pressed against a seat on the housing. To guarantee a reliable and secure shutoff of large gas lines, the shutoff mechanism, together with an additional cover, forms a gas-tight chamber closed off from the two chambers of the gas line. The pressure in this chamber is monitored and is different from the pressures in the two chambers of the gas line.
REFERENCES:
patent: Re31471 (1983-12-01), Hagar
patent: 1826941 (1931-10-01), LaMont
patent: 1990309 (1935-02-01), Phillips
patent: 2430122 (1947-11-01), Grace, Jr.
patent: 2603451 (1952-07-01), Brown
patent: 2691773 (1954-10-01), Lichtenberger
patent: 3749115 (1973-07-01), Raftis
patent: 3835878 (1974-09-01), Braidt et al.
patent: 4003394 (1977-01-01), Adams
patent: 4077432 (1978-03-01), Herr
patent: 4187878 (1980-02-01), Hughey
patent: 4335738 (1982-06-01), Nassir
patent: 4512356 (1985-04-01), Widerby
patent: 4638833 (1987-01-01), Wolcott, II
patent: 4800919 (1989-01-01), Bachmann
patent: 5000422 (1991-03-01), Houston
Mannesmann Aktiengsellshaft
Rivell John
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