Vacuum filtration device sealable vacuum vent

Details Vacuum filtration device sealable vacuum vent Vacuum filtration device sealable vacuum vent

1996-06-24

1998-03-10

Drodge, Joseph W.

Liquid purification or separation

With gas separator

210406, 2104161, 210436, 422101, B01D 35137

Patent

active

057257639

ABSTRACT:
Disclosed is a vacuum filtration device including; (a)filter body including a filter membrane; (b) a passageway extending through the body and communicating with the upstream side of the filter for receiving a fluid to be filtered; (c) a junction mounted on the body on the downstream side of the filter and adapted to receive a closed container for receiving the filtered fluid and including sealing for creating a fluid tight seal between the container and the body; (d) a vacuum port communicating with said junction and adapted to be connected to a vacuum source for drawing the fluid through the filter and comprising a sealable vacuum vent which, when open, provides fluid communication between the vacuum port and a gas source. The device also includes a vacuum vent cap and a filter body vent and vent cap.

REFERENCES:
patent: 3844895 (1974-10-01), Rose et al.
patent: 4301010 (1981-11-01), Eddleman et al.
patent: 4357240 (1982-11-01), Mehra et al.
patent: 4614585 (1986-09-01), Mehra et al.
patent: 4673501 (1987-06-01), Wells et al.
patent: 5141639 (1992-08-01), Kraus et al.
patent: 5234585 (1993-08-01), Zuk
patent: 5603900 (1997-02-01), Clark et al.

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