Filter assembly including a filter and closure member

Details Filter assembly including a filter and closure member Filter assembly including a filter and closure member

1993-11-08

1994-12-27

Dawson, Robert A.

Liquid purification or separation

Filter

Pipe or plate attached type

210473, 222189, 222464, B01D 3502, B67D 558

Patent

active

053762720

ABSTRACT:
A filter assembly or bottle filter for use in bottles or reservoirs of varying shapes and sizes is provided. The assembly has a cap or closure member sealingly connected to a filter body or support having a pair of fluid passageways. A pair of fluid passageways in the cap or closure member are in fluid communication with the pair of passageways in the filter body. A filter of a size to pass through the opening of a reservoir is connected to the opposite end of one of the axially extending passageways in the filter body or support. One of the fluid passageways is used to draw the fluid being filtered through the filter, through one of the passageways in the filter support or filter body and out one of the passageways in the cap or closure member. A pressure monitoring device is connected to the other fluid passageway to monitor the level of the fluid in the reservoir.

REFERENCES:
patent: 1747277 (1927-09-01), Weldon
patent: 3618822 (1971-11-01), Hildenbrandt
patent: 3954623 (1976-05-01), Hammer et al.
patent: 4014696 (1977-03-01), Sugiyama et al.
patent: 4293414 (1981-10-01), Gianneli
patent: 4654142 (1987-03-01), Thomsen et al.
patent: 4725354 (1988-02-01), Thomsen et al.
patent: 4836925 (1989-06-01), Wolf
patent: 4936993 (1990-06-01), Nomura
patent: 5139654 (1992-08-01), Carpenter
patent: 5160444 (1992-11-01), McFarland
patent: 5199606 (1993-04-01), Nutting
patent: 5217627 (1993-06-01), Pall et al.

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