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. 23, 2014
Filed:
Apr. 02, 2012
Applicants:
Jacek Junak, Hoechberg, DE;
Grzegorz Ombach, Veitshöchheim, DE;
Inventors:
Jacek Junak, Hoechberg, DE;
Grzegorz Ombach, Veitshöchheim, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/14 (2006.01); H02K 1/08 (2006.01); H02K 23/42 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
H02K 1/276 (2013.01); H02K 1/146 (2013.01); H02K 2213/03 (2013.01);
Abstract
A brushless synchronous motor includes a rotor having a number n of embedded permanent magnets and being rotatable relative to a stator having a number of stator teeth provided with a three-phase stator winding, while forming an air gap. An angle between two adjacent permanent magnets is 360°/n where n>8, an angle between two adjacent stator teeth is 360°/n+2, and an inner contour of the stator facing the rotor has a curved structure with curvature valleys provided at ends of the stator teeth.