Refrigerator water filter

Details Refrigerator water filter Refrigerator water filter

1991-03-28

1992-08-04

Dawson, Robert A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

210117, 210136, 210184, 210186, 210234, 210435, 210437, 210438, 210439, 210441, 210442, 210446, 210739, 62338, 62339, B01D 2700, B01D 3502, B01D 35157

Patent

active

051356457

ABSTRACT:
A water filter system for use in refrigerators having water dispenser and/or icemaker features. The filter system includes a commercially available filter cartridge which removes common water contaminants. A shut off valve temporarily stops the flow of water to the filter to permit replacement of the cartridge. The filter is disposed within the refrigerator for easy access and may be further disposed in a recess in one of the refrigerator walls or the refrigerator door to avoid reducing the useable food storage volume. The shut off valve may be closed by activating a conveniently located switch, by opening the refrigerator door, by opening a cover over the recess, or alternatively may be normally closed and opened only in response to activation of the icemaker or water dispenser features.

REFERENCES:
patent: 3982406 (1976-09-01), Hanson et al.
patent: 4561979 (1985-12-01), Harms et al.
patent: 4808302 (1989-02-01), Beall, Jr.
patent: 4815497 (1989-03-01), Pick
patent: 5049269 (1991-09-01), Shah

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