Valves and valve actuation – With correlated flow path – Valve operated by motion of flow path
Patent
1990-09-24
1991-08-06
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Valve operated by motion of flow path
2511494, 222 3, 141 18, F16L 3728
Patent
active
050370634
ABSTRACT:
For the filling and for the vacuum emptying of the gas holder, there is a first connection fitting (12) screwable into the valve body (6) of the valve arrangement (4), with sealing-off points at a first location (34) of the valve body (6) of the valve arrangement (4), while, for the normal gas-extraction mode, there is a second connection fitting (50) screwable into the valve body (6), with sealing-off points at a second location (52) of the valve body (6) of the valve arrangement (4), this second location (52) being situated downstream of the said first location (34). The interior of the valve body (6) between the said first location (34) and the second location (52) is connected by means of a bypass channel (54) to the space between the lower part of the shut-off screw body (10) and the upper part of the residual-pressure valve (8).
REFERENCES:
patent: 2645241 (1953-07-01), Riede
patent: 2686534 (1954-08-01), Montelius
patent: 3744526 (1973-07-01), Macoviel
patent: 4210168 (1980-07-01), Yonezawa
patent: 4402340 (1983-09-01), Lockwood, Jr.
patent: 4662393 (1987-05-01), Genbuffe et al.
Kerger Leon
Kremer Paul
Ceodeux S.A.
Chambers A. Michael
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