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:
Jul. 08, 2025
Filed:
Oct. 06, 2022
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Mario Mohler, Rosengarten, DE;
Christoph Steinmetz, Ludwigsburg, DE;
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 9/19 (2006.01); H02K 7/00 (2006.01);
U.S. Cl.
CPC ...
H02K 9/19 (2013.01); H02K 7/003 (2013.01);
Abstract
A rotor for an electric motor is disclosed. The rotor includes a rotor shaft with a hollow space arranged in the rotor shaft at least in regions. The hollow space is structured as a cooling channel and has an inner surface. The inner surface of the hollow space comprises structures for an enlargement of a surface area, and/or at least one structural element is provided in the hollow space directly or indirectly connected to the inner surface of the rotor shaft for at least one of the enlargement of the surface area and/or for the mixing of coolant.