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. 31, 2007
Filed:
Mar. 05, 2004
Applicants:
Atef Abou Akar, L'Isle d'Espagnac, FR;
Eric Coupart, Angouleme, FR;
Jacques Saint-michel, Angouleme, FR;
Inventors:
Atef Abou Akar, L'Isle d'Espagnac, FR;
Eric Coupart, Angouleme, FR;
Jacques Saint-Michel, Angouleme, FR;
Assignee:
Moteurs Leroy-Somer, Angouleme, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 16/02 (2006.01); H02K 1/27 (2006.01); H02K 21/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an electric machine comprising a stator () provided with a plurality of teeth (), each tooth supporting at lest one individual coil (), an external rotor () which is radially arranged outside the stator and provided with constant magnets, an internal rotor () radially arranged inside the stator, provided with constant magnets and connected to the external rotor (). At least one of the external () and internal () rotors is disposed in a flux concentration.