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:
Aug. 06, 2013
Filed:
Jun. 22, 2012
Applicants:
Guillaume Loussert, Besancon, FR;
Pierre Gandel, Montfaucon, FR;
Inventors:
Guillaume Loussert, Besancon, FR;
Pierre Gandel, Montfaucon, FR;
Assignee:
SONCEBOZ SA, Sonceboz, CH;
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2006.01); H02K 23/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A single phase electromagnetic servo-actuator that includes a rotary actuator which moves a mobile member along a limited travel including a 2N ferromagnetic pole stator structure and at least one excitation coil, the stator structure being made of a material with high magnetic permeability and a rotor having ferromagnetic yoke and a thin magnetized portion of 2N pairs of axially magnetized poles, in alternate directions, and a rotor angular position sensor, the thin magnetized portion being a separate element from the ferromagnetic yoke.