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:
Feb. 01, 2005
Filed:
Jun. 13, 2002
Maurice Brunet, Saint Colombe Près Vernon, FR;
Ulrich Schroeder, Mont Saint-Aignan, FR;
Maurice Brunet, Saint Colombe Près Vernon, FR;
Ulrich Schroeder, Mont Saint-Aignan, FR;
Societe de Mecanique Magnetique, Saint Mercel, FR;
Abstract
The active magnetic bearing () comprises a stator () fitted with electromagnet windings () and a first stack of ferromagnetic laminations (), a rotor () fitted with a second stack of ferromagnetic laminations (), servo-control circuits (), and position detectors (). The first stack of ferromagnetic laminations () comprises in succession in the axial direction: at least a first sub-set () of laminations () presenting first notches housing electromagnet windings (); a second sub-set () of laminations () presenting both first notches housing electromagnet windings () and second notches housing a radial detector (); and a third sub-set () of laminations () presenting first notches housing electromagnet windings (). The first stack of ferromagnetic laminations () further comprises fourth and fifth sub-sets () of laminations () at its ends, presenting the same notches as each other and housing respective first and second axial detectors ().