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:
Jun. 14, 2022
Filed:
Aug. 02, 2018
Grundfos Holding A/s, Bjerringbro, DK;
Thomas Blad, Bjerringbro, DK;
Christian Blad, Bjerringbro, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A circulation pump assembly includes a first inlet (), an outlet (), an electric drive motor () and at least one impeller () driven by the drive motor (). The circulation pump assembly has at least one first flow path () positioned in a connection between the first inlet () and the outlet () for increasing the pressure of a fluid. The circulation pump assembly has a second inlet (). The at least one impeller () has at least one second flow path () for increasing the pressure of a fluid, which is positioned in a connection of the second inlet () to the outlet (). A heating system is provided having a circulation pump assembly of this type.