Pump and filter system for a drawer-type dishwasher

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7610923
APP PUB NO 20060174924A1
SERIAL NO

11052862

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drawer-type dishwasher includes a pump system which functions to pump and filter washing fluid in the dishwasher. The pump system includes a sump having an inlet passage, a recirculation passage, a drain passage, a coarse article collection chamber, a filter assembly that is divided into a filter chamber and a washing fluid manifold, and a stationary hub that rotatably supports a wash arm for spraying washing fluid onto dishware supported in the dishwasher. The filter chamber includes a fine particle collection chamber having a valve that selectively opens to allow particles trapped in the filter chamber and fine particle collection chamber to flow to the drain passage. The filter assembly includes a cover having a plurality of radial spaced openings over the filter chamber, as well as a central opening that receives a stationary hub member which rotatably supports a wash arm.

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Patent Owner(s)

Patent OwnerAddress
MAYTAG CORPORATION403 WEST FOURTH STREET NORTH NEWTON IA 50208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hedstrom, Kristen K Orlando , US 37 556
Palm, Mark E Orlando , US 23 532
Welch, Rodney M Jackson , US 126 2161

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