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:
Apr. 21, 2026
Filed:
Dec. 14, 2022
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Assignee:
MAHLE International GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/00 (2006.01); H02K 7/08 (2006.01); H02K 11/215 (2016.01);
U.S. Cl.
CPC ...
H02K 7/003 (2013.01); H02K 7/08 (2013.01); H02K 11/215 (2016.01);
Abstract
A rotor shaft for a rotor of an electric machine is provided. The rotor shaft includes a hollow shaft extending along an axial direction that is rotatably mounted about an axis of rotation, which delimits a hollow shaft interior that can be flowed through by a coolant. Further, the rotor shaft includes a sensor device arranged in the hollow shaft interior for determining a current rotary position or/and current rotational speed of the hollow shaft.