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:
Feb. 11, 2025
Filed:
Apr. 23, 2021
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); B22F 3/04 (2006.01); B22F 3/10 (2006.01); H01F 1/14 (2006.01);
U.S. Cl.
CPC ...
H02K 1/02 (2013.01); B22F 3/04 (2013.01); B22F 3/10 (2013.01); H01F 1/14 (2013.01); B22F 2207/13 (2013.01); H02K 2213/03 (2013.01);
Abstract
Various embodiments of the teachings herein include an electric motor. In some embodiments, the motor includes: a stator; and a moving component comprising an iron-based soft-magnetic structural material including crystallites of a ferromagnetic iron-based alloy separated by grain boundaries, wherein there is interlayer-free contact between the crystallites at grain boundaries. The structural material comprises ceramic fibers. A content of the ceramic fibers is between 0.2% and 10% by volume. An aspect ratio of the ceramic fibers is less than 0.1.