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. 14, 2017
Filed:
Feb. 03, 2014
Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A permanent magnet embedded rotary electric machine includes: permanent magnetsrespectively accommodated in the magnet accommodation holes. In the magnet accommodation hole, a portion of each permanent magnetcorresponding to the radially outer side of the rotor iron coreis fixed to the rotor iron core, and a refrigerant passageis formed, in a shaft direction of the rotor iron core, between the rotor iron coreand a portion of the permanent magnetcorresponding to the radially inner side of the rotor iron core. Protrusionsare provided, perpendicularly to a passing direction of a refrigerant, on an exposed portionof the rotor iron corein the refrigerant passage