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:
Sep. 30, 2014
Filed:
May. 09, 2011
Sinisa Jurkovic, Sterling Heights, MI (US);
Xinyu Zhou, Troy, MI (US);
Qiang Niu, Novi, MI (US);
Khwaja M. Rahman, Troy, MI (US);
John C. Morgante, Sterling Heights, MI (US);
Xu Han, Novi, MI (US);
Edward L. Kaiser, Orion, MI (US);
Sinisa Jurkovic, Sterling Heights, MI (US);
Xinyu Zhou, Troy, MI (US);
Qiang Niu, Novi, MI (US);
Khwaja M. Rahman, Troy, MI (US);
John C. Morgante, Sterling Heights, MI (US);
Xu Han, Novi, MI (US);
Edward L. Kaiser, Orion, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A permanent magnet motor includes a permanent magnet rotor, a stator surrounding the rotor having a plurality of teeth radially inwardly oriented toward a longitudinal axis of the stator wherein each tooth has a tooth length and a tooth tip surface geometry. An asymmetric air gap is defined by variations in the tooth lengths and tooth tip surface geometries.