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:
Sep. 14, 2021
Filed:
Jul. 03, 2019
Applicant:
Grundfos Holding A/s, Bjerringbro, DK;
Inventors:
Sergei Gerz, Wöschbach, DE;
Valeri Kechler, Pforzheim, DE;
Assignee:
Grundfos Holding A/S, Bjerringbro, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 43/04 (2006.01); F04B 13/00 (2006.01); F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
F04B 13/00 (2013.01); F04B 43/04 (2013.01); F04B 49/065 (2013.01); F04B 2201/0201 (2013.01); F04B 2203/0207 (2013.01);
Abstract
A Metering pump includes a displacement element (), a drive system with an electric drive motor () driving the displacement element () and a control device () controlling the electric drive motor (). The control device () is configured in such a manner that it detects the current position of the displacement element (), detects the torque (M) of the electric drive motor () at several positions of the displacement element () and monitors the torque (M) in relation to the position of the displacement element (), and a method for controlling such metering pump.