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:
May. 19, 2020
Filed:
May. 13, 2016
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Hiroyuki Higashino, Chiyoda-ku, JP;
Yoshiaki Kitta, Chiyoda-ku, JP;
MITSUBISHI ELECTRIC CORPORATION, Chiyoda-ku, JP;
Abstract
Coolant flow channels include a main flow channel that is spaced apart from a magnet accommodating aperture on an inner circumferential side, and that passes axially through a rotor core; a magnet cooling flow channel that is formed on an inner circumferential side of a permanent magnet, an inner circumferential surface of the permanent magnet being a portion of the magnet cooling flow channel; and a relay flow channel that passes axially through the rotor core in a state in which the main flow channel and the magnet cooling flow channel are linked, a first end plate opens a first axial end of the main flow channel, and closes a first axial end of the magnet cooling flow channel and the relay flow channel, and a second end plate opens second axial ends of the main flow channel, the magnet cooling flow channel, and the relay flow channel.