Ventilated enclosure for gas cylinders and manifolds

Details Ventilated enclosure for gas cylinders and manifolds Ventilated enclosure for gas cylinders and manifolds

1997-09-17

1999-10-12

Joyce, Harold

Ventilation

Having both inlet and outlet airways

With air pump means

36452817, 454370, F24F 7007

Patent

active

059646594

ABSTRACT:
Method and apparatus for increasing the velocity of sweeping gas as it moves across a gas delivery system contained in a hazardous material delivery enclosure, e.g. a gas cabinet valve manifold box or gas isolation box. An exhaust port with selectively opened and closed apertures juxtaposed to non-soldered or non-welded fittings or connections in the gas delivery system is placed in or on said enclosure to create an accelerated and directed flow of sweeping gas across the non-soldered or non-welded fittings or connections.

REFERENCES:
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patent: 4866594 (1989-09-01), David et al.
patent: 4989160 (1991-01-01), Garrett et al.
patent: 5095736 (1992-03-01), Fesler et al.
patent: 5126117 (1992-06-01), Schumacher et al.
patent: 5220517 (1993-06-01), Sierk et al.
patent: 5417236 (1995-05-01), Moore et al.
patent: 5497316 (1996-03-01), Sierk et al.
patent: 5508947 (1996-04-01), Sierk et al.
GASGUARD.RTM. 250 Gas Cabinet, Air Products and Chemicals, Inc., 1994, 1995.
GASGUARD.TM. Valve Manifold Box, Air Products and Chemicals, Inc. 1992.
Tungsten Hexafluoride (WF.sub.6) GASGUARD.RTM. Gas Cabinet, Air Products and Chemicals, Inc. 1995.
GASGUARD.RTM. 500 Gas Cabinet with VMB 500, Air Products and Chemicals, Inc. 1994, 1995.

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