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. 21, 2004
Filed:
Oct. 18, 2002
Applicant:
Inventors:
Abdel Hamid Ben Ahmed, Canada Parc, FR;
Bernard Multon, Rennes, FR;
Jérome Delamare, Grenoble, FR;
Corentin Kerzreho, Rennes, FR;
Jean-Yves Cognard, Bruz, FR;
Nicolas Bernard, Bruz, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/22 ;
U.S. Cl.
CPC ...
H02K 1/22 ;
Abstract
The invention concerns a machine forming a motor or generator including a stator and a rotor. The rotor is a passive rotor, consisting of two ferromagnetic discs whereof at least one is toothed. The stator includes a fixed polyphase field coil arranged in an air gap defined by the space provided between the two discs and generating a rotating magnetic field, and a field coil likewise fixed. The invention is applicable to a cylindrical rotary machine or to a machine with linear displacement.