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. 14, 2020
Filed:
Jun. 02, 2017
Applicant:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Inventors:
Jacek F. Gieras, Glastonbury, CT (US);
Gregory I. Rozman, Rockford, IL (US);
Assignee:
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/04 (2006.01); H02K 1/27 (2006.01); H02K 11/01 (2016.01); H02K 21/16 (2006.01); H02K 1/02 (2006.01);
U.S. Cl.
CPC ...
H02K 21/046 (2013.01); H02K 1/276 (2013.01); H02K 1/2746 (2013.01); H02K 1/2766 (2013.01); H02K 11/01 (2016.01); H02K 1/02 (2013.01); H02K 1/274 (2013.01); H02K 21/16 (2013.01);
Abstract
A rotor has a ferromagnetic body with a surface and magnetic poles arranged about a rotation axis. One or more of the magnetic poles has a first magnetic flux barrier and a second magnetic flux barrier. The first magnetic flux barrier is arranged radially between the rotation axis and the surface of the ferromagnetic body. The second magnetic flux barrier is arranged radially between the first magnetic flux barrier and the surface of the ferromagnetic body.