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.:
Date of Patent:
Dec. 31, 2024
Filed:
Apr. 26, 2021
Grundfos Holding A/s, Bjerringbro, DK;
Olav Jensen, Bjerringbro, DK;
Bent Døssing, Bjerringbro, DK;
Thomas Blad, Bjerringbro, DK;
Peter Mønster, Bjerringbro, DK;
Ole Hansen, Bjerringbro, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
The invention relates to a centrifugal pump assembly having an electric drive motor (), at least one impeller () driven by said electric drive motor () and a valve element (') rotatable between two 5 valve positions driven by a fluid flow produced by said impeller (), wherein the valve element (′) has a cover plate (′) extending transverse to the rotational axis (X) of the impeller () and facing the impeller (), wherein the valve element (′) having protrusions (′) arranged on an outer surface side facing away 10 from the impeller () such that a flow can act on them for driving the valve element (′).