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:
Sep. 06, 2022

Filed:

Oct. 26, 2017
Applicant:

Whirlpool Corporation, Benton Harbor, MI (US);

Inventors:

Abhay Naik, Stevensville, MI (US);

Ashish Nigam, St. Joseph, MI (US);

Assignee:

Whirlpool Corporation, Benton Harbor, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 5/04 (2006.01); F16L 59/065 (2006.01); F25D 23/06 (2006.01);
U.S. Cl.
CPC ...
F16L 59/065 (2013.01); F25D 23/062 (2013.01); B32B 2307/304 (2013.01); B32B 2509/10 (2013.01); F25D 23/066 (2013.01); F25D 2201/1262 (2013.01); F25D 2201/14 (2013.01); F25D 2323/021 (2013.01); F26B 5/04 (2013.01);
Abstract

An auger feeder includes a hopper having an inner hopper wall and an outer hopper wall where the inner hopper wall includes an air permeable surface. A space is positioned between the inner and outer hopper walls. A heater is coupled to an outside edge of the inner hopper wall or an outside edge of the outer hopper wall while a feed screw is positioned along an inside edge of the inner hopper wall. The auger feeder additionally includes an evacuator coupled to a vacuum port that is positioned in the outer hopper wall. The auger feeder also includes an aperture exit positioned at a bottom of the inner and outer hopper walls.


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