Value device assembly as a connection unit for differential pres

Details Value device assembly as a connection unit for differential pres Value device assembly as a connection unit for differential pres

1995-03-07

1996-02-27

Hepperle, Stephen M.

Fluid handling

Systems

Multiple inlet with multiple outlet

73201, 1375991, F16K 1118

Patent

active

054940729

ABSTRACT:
This valve device assembly, which serves as a connection unit for a differential pressure transducer and is protected against false operation, has a first and a second inlet-end connection for connection to a differential pressure source, a first and a second outlet-end connection for connection to the differential pressure transducer, a first and a second chamber each with a valvelike shutoff device disposed therein, a first passage connecting the first chamber with the first outlet-end connection, a second passage connecting the first chamber with the second outlet-end connection, a third passage connecting the second chamber with the second outlet-end connection, and a fourth passage connecting the second chamber with the first outlet-end connection. In first end positions, the shutoff devices close the inlet-end connections. After one of the shutoff devices has been lifted from its end position, the pressure applied to the associated inlet-end connection is simultaneously applied to the two outlet-end connections. In further end positions, the shutoff devices close the second and fourth passages.

REFERENCES:
patent: 2169043 (1939-08-01), Goehring
patent: 2748800 (1956-06-01), Allen
patent: 3381532 (1968-05-01), Tausch
patent: 3431935 (1969-03-01), Bowditch
patent: 3596680 (1971-08-01), Adams
patent: 4304259 (1981-12-01), Brunner
patent: 4879912 (1989-11-01), Suckow

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