The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 07, 2016

Filed:

Mar. 15, 2013
Applicant:

Whirlpool Corporation, Benton Harbor, MI (US);

Inventors:

Mark M Senninger, Saint Joseph, MI (US);

Gregory G Hortin, Henderson, KY (US);

Verne H Myers, Benton Harbor, MI (US);

Joseph R Peters, Saint Joseph, MI (US);

Nihat Cur, Saint Joseph, MI (US);

Assignee:

Whirlpool Corporation, Benton Habor, MI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 35/00 (2006.01); B01D 21/24 (2006.01); A01G 25/16 (2006.01); C02F 1/00 (2006.01); B01D 35/147 (2006.01); B01D 35/153 (2006.01); B01D 27/08 (2006.01); C02F 1/28 (2006.01); C02F 1/42 (2006.01); F25D 23/12 (2006.01);
U.S. Cl.
CPC ...
C02F 1/003 (2013.01); B01D 27/08 (2013.01); B01D 35/147 (2013.01); B01D 35/153 (2013.01); B01D 2201/302 (2013.01); B01D 2201/303 (2013.01); C02F 1/28 (2013.01); C02F 1/42 (2013.01); C02F 2201/004 (2013.01); C02F 2201/006 (2013.01); C02F 2301/043 (2013.01); C02F 2307/12 (2013.01); F25D 23/126 (2013.01); F25D 2323/121 (2013.01);
Abstract

A filtration system for an appliance includes a water source coupled with the appliance to provide an intake water flow. A filter unit is coupled with water source to receive the intake water flow and dispense a filtered water flow. An isolation valve is coupled between the water source and the filter unit and movable between a first position and a second position. A distribution valve is coupled with an ice maker and a water dispenser of the appliance. The distribution valve receives the filtered water flow when the isolation valve is in the first position, and the distribution valve receives the intake water flow via a bypass line when the isolation valve is in the second position. The isolation valve is configured to move to the second position upon expiration of the service life of the filter unit.


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