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:
Jan. 25, 2022
Filed:
Dec. 04, 2019
Honda Motor Co., Ltd., Tokyo, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
A rotor includes: a rotor core including a rotor shaft hole in which a rotor shaft is fastened, a plurality of magnet insertion holes provided along the circumferential direction, and a hollow hole provided between the rotor shaft hole and the magnet insertion holes in the radial direction; and a plurality of magnetic pole portions constituted by permanent magnets inserted into the magnet insertion holes. The hollow hole includes an intersection of the q-axis of each magnetic pole portion and a virtual circle passing through the innermost diameter portion of the magnet insertion holes around the axis of the rotor core, and the hollow hole is disposed to face the magnet insertion holes of adjacent magnetic pole portions.