Rotating diffuser pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11396887
APP PUB NO 20160305447A1
SERIAL NO

15101460

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Importance

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Abstract

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A centrifugal pump with a rotating impeller and a rotating diffuser. The diffuser may be rotated with a controlled speed to broaden the operational range of the pump. Such control may be done independently of the rotational speed of the impeller to tailor pump operation to a particular NPSH, efficiency, fluid flow or related requirement. In one preferred form, the impeller and diffuser are made to counter-rotate relative to one another, while the independent rotational speed of each may be provided by one or more motors, as well as a variable-speed transmission coupled to such motor or motors. Such a pump is optimized for specific speed operating ranges beneath those associated with axial flow pump configurations.

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Patent Owner(s)

Patent OwnerAddress
FLOWSERVE MANAGEMENT COMPANY222 W LAS COLINAS BOULEVARD SUITE 1500 IRVING TEXAS 75039 UNITED STATES OF AMERICA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dreiss, Andreas Hamburg, DE 14 116
Farooqi, Rehan San Marino, US 2 16
Friedrichs, Jens Schwulper, DE 26 78
Tosin, Stefano Braunschweig, DE 1 16

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