Chopper pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8500393
APP PUB NO 20100092276A1
SERIAL NO

12570724

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pump for chopping solid material in a liquid stream having a volute housing, a rotating cutter with at least one blade parallel to a rotational axis of the rotating cutter, an impeller arranged at an outer circumference of the rotating cutter, and a stationary cutter having at least one blade parallel to the rotational axis of the rotating cutter. The stationary cutter is concentric with the rotating cutter, and the stationary cutter, the rotating cutter and the impeller are all at least partially housed within the volute housing. Typically, the rotating cutter has a different number of blades than the stationary cutter. Optionally, the pump, further comprises an inspection cover that is removably attached to the pump, and has an opening large enough to remove the stationary cutter and the rotating cutter from the volute housing.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GORMAN-RUPP COMPANY THE305 BOWMAN STREET MANSFIELD OH 44903

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cartwright, John Mount Vernon, US 3 23
Cottrell, Eddie Mansfield, US 1 13
Oswalt, David Mansfield, US 1 13

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