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.

Date of Patent:
Jun. 28, 2022

Filed:

Feb. 26, 2018
Applicant:

Grundfos Holding A/s, Bjerringbro, DK;

Inventor:

Thomas Blad, Bjerringbro, DK;

Assignee:

GRUNDFOS HOLDING A/S, Bjerringbro, DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 13/06 (2006.01); F04D 13/12 (2006.01); F04D 15/00 (2006.01); F04D 15/02 (2006.01);
U.S. Cl.
CPC ...
F04D 13/06 (2013.01); F04D 13/12 (2013.01); F04D 15/0066 (2013.01); F04D 15/0072 (2013.01); F04D 15/0209 (2013.01); F04D 15/029 (2013.01); F04D 15/0245 (2013.01);
Abstract

A circulation pump assembly () includes an electrical drive motor () and an electronic control device () controlling the drive motor (). The control device () is configured for the speed control of the drive motor () according to a control schema (I, II, III). The control device () includes a detection function () which is configured to detect a condition variable representing an operating condition, from a parallel flow path () with a second circulation pump assembly (). The control device () is also configured such that it can change the control schema (I, II, III) on the basis of a condition variable detected by the detection function (). Further an arrangement of at least two such circulation pump assemblies () and a method for the control of such two circulation pump assemblies () are provided.


Find Patent Forward Citations

Loading…