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. 20, 2005
Filed:
Oct. 22, 2003
Applicants:
Alan D. Crapo, Florissant, MO (US);
Gary E. Horst, Manchester, MO (US);
Inventors:
Alan D. Crapo, Florissant, MO (US);
Gary E. Horst, Manchester, MO (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K005/24 ;
U.S. Cl.
CPC ...
Abstract
A brushless permanent magnet electric machine includes a stator assembly having a stator core that defines (12×n) slots and stator teeth having a generally 'T'-shaped cross section. Winding wire is wound around the stator teeth, wherein a radially outer edge of the stator teeth define a crowned surface. A rotor includes permanent magnets defining (12±2)n poles, wherein n is an integer greater than zero.