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:
Jun. 02, 2026
Filed:
Apr. 26, 2023
Applicant:
Abb Schweiz Ag, Baden, CH;
Inventors:
Elio Alberto Perigo, Wendell, NC (US);
Darren D. Tremelling, Apex, NC (US);
Sheng Zhong, Hillsborough, NC (US);
Assignee:
ABB Schweiz AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/02 (2006.01); H01F 1/059 (2006.01); H01F 1/08 (2006.01); H01F 41/02 (2006.01); H02K 1/22 (2006.01); H02K 15/03 (2025.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 1/02 (2013.01); H01F 1/059 (2013.01); H01F 1/083 (2013.01); H01F 41/0266 (2013.01); H02K 1/22 (2013.01); H01F 41/0246 (2013.01); H02K 1/276 (2013.01); H02K 15/03 (2013.01);
Abstract
A rotor for an electric machine is disclosed, the rotor including a plurality of cavities filled with a magnetic material. In the disclosed rotor, the magnetic material includes Samarium-Iron-Nitrogen (Sm—Fe—N) particles, Manganese-Bismuth (Mn—Bi) particles, and a polymer binder. Performance characteristics of the magnetic material, such as following the rule of mixtures and exhibiting a linear relationship based on volume fraction of the Mn—Bi particles, are also disclosed.