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:
Apr. 07, 1998
Filed:
Dec. 20, 1994
Applicant:
Inventor:
Daho Taghezout, Lausanne, CH;
Assignee:
Eta SA Fabriques d'Ebauches, Grenchen, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ;
U.S. Cl.
CPC ...
310254 ; 310 / ; 310112 ; 310185 ;
Abstract
The present invention concerns an electromechanical transducer exhibiting a configuration of the cylindrical type and adapted in particular to serve as a stepping motor. In a three-phase embodiment, the transducer according to the invention comprises a stator (2) and a rotor (4) capable of turning around a rotation axis (6). The stator (2) comprises three pole pieces (8, 10, 12) each having a polar arm (14, 16, 18) oriented in the direction of the rotation axis of the rotor and bearing an energization winding (32, 34, 36).