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.

Patent No.:

US 11512712 B1

Date of Patent:

Nov. 29, 2022

Filed:

Mar. 12, 2018

Pump assembly

Applicant:

Grundfos Holding A/s, Bjerringbro, DK;

Inventors:

Thomas Blad, Bjerringbro, DK;

Peter Mønster, Banders, DK;

Assignee:

GRUNDFOS HOLDING A/S, Bjerringbro, DK;

Attorney:

McGlew and Tuttle, P.C.

Primary Examiner:

Christopher Verdier

Assistant Examiner:

Andrew J Marien

Int. Cl.

CPC ...

F04D 15/00 (2006.01); F04D 29/42 (2006.01); F04D 29/16 (2006.01); F04D 29/48 (2006.01); F04D 29/70 (2006.01);

U.S. Cl.

CPC ...

F04D 29/4293 (2013.01); F04D 15/0005 (2013.01); F04D 15/0022 (2013.01); F04D 29/167 (2013.01); F04D 29/486 (2013.01); F04D 29/708 (2013.01);

Abstract

A pump assembly includes at least one rotatingly driven impeller () and at least one valve element () which is rotatable about a rotation axis (X) between at least two switching positions. The valve element () includes a first face side () which extends transversely to the rotation axis of the valve element. A suction opening (), which is engaged with a suction port () of the impeller (), is formed in this first face side in a central region. The first face side () includes a pressure surface which surrounds the suction opening () and is adjacent to a delivery chamber () which surrounds the impeller ().

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