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:
Jul. 14, 2026

Filed:

May. 22, 2025
Applicant:

Bühler Motor Gmbh, Nuremberg, DE;

Inventors:

Helmut Kellermann, Langenzenn, DE;

Christian Zimmerer, Pottenstein, DE;

Thomas Stolpe, Eckental, DE;

Dominik Neudert, Altdorf, DE;

Assignee:

BÜHLER MOTOR GMBH, Nuremberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 13/06 (2006.01); F04D 29/02 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F04D 13/064 (2013.01); F04D 29/026 (2013.01); F04D 29/588 (2013.01); F04D 29/5806 (2013.01); F04D 29/5813 (2013.01);
Abstract

A liquid pump with a housing in which a wound stator and electronics are arranged in a dry area. A permanent magnet rotor is arranged in a wet area. A shaft is held on the one hand in a pump head and on the other hand in a shaft receptacle in a containment shell. The containment shell separates the dry area from the wet area. At least one bearing is incorporated in the permanent magnet rotor and is arranged rotatably on the shaft, wherein the permanent magnet rotor comprises a plastic insert and a permanent magnet, and at least one fluid channel runs parallel to the axis and is formed between the plastic insert and the permanent magnet.


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