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:
Jul. 23, 2019
Filed:
Nov. 02, 2015
Mitsubishi Heavy Industries Thermal Systems, Ltd., Tokyo, JP;
Yasuhiro Watanabe, Kiyosu, JP;
Atsushi Suzuki, Kiyosu, JP;
Abstract
A rotor for a motor is provided with: a stacked core made of a plurality of steel plates stacked on top of each other in a direction of an axis of a rotating shaft, has a circular pillar shape centered around the axis, and is provided with a plurality of magnet insertion grooves arranged in a circumferential direction of the rotor and penetrating through the circular pillar shape in the direction of the axis; permanent magnets respectively inserted into the magnet insertion grooves; a pair of end plates respectively stacked on opposite ends of the stacked core in the direction of the axis and closing the magnet insertion grooves; and a pressing portion restraining the permanent magnet in the direction of the axis by pressing the permanent magnet in the direction of the axis.