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. 13, 2013
Filed:
Nov. 19, 2010
Scott Michael Ankeney, Ann Arbor, MI (US);
Kenji Nakamura, Toyota, JP;
Scott Michael Ankeney, Ann Arbor, MI (US);
Kenji Nakamura, Toyota, JP;
Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US);
Abstract
A rotor for an electrical motor includes a spindle, a plurality of sintered permanent magnets arranged around the spindle, a compacted powdered soft magnetic material at least partially surrounding the plurality of sintered permanent magnets, and a plurality of discrete regions of compacted powdered non-magnetic material at least partially surrounding the plurality of sintered permanent magnets. The discrete regions of non-magnetic material are at least partially embedded in the soft magnetic material and the soft magnetic material and the non-magnetic material couple the plurality of sintered permanent magnets with the spindle.