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:
Jun. 24, 2014
Filed:
May. 05, 2010
Applicants:
Petri Mäki-ontto, Espoo, FI;
Yrjö Tyllinen, Tervakoski, FI;
Pekka Kanninen, Espoo, FI;
Inventors:
Assignee:
ABB Technology AG, Zurich, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/28 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an arrangement in accordance with the invention for attaching a permanent magnet to an electrical machine's rotor, the rotor comprises at least two magnetic poles, and there is a pole gap between two magnetic poles. Permanent magnets are installable on the surface of the magnetic core. A pole piece is installable on the permanent magnet side facing the air gap. There is fixing means on the sides of the pole piece facing the pole gap for attaching the pole piece to the rotor using the locking parts, and the fixing means are connected to the pole piece through an articulated joint.