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:
Jun. 29, 2021
Filed:
Feb. 28, 2017
Aisin Aw Co., Ltd., Anjo, JP;
Hideharu Ushida, Anjo, JP;
Takehiro Anai, Anjo, JP;
AISIN AW CO., LTD., Anjo, JP;
Abstract
A manufacturing method of a rotor including: preparing a rotor core that is structured by stacking a plurality of electromagnetic steel plates in an axial direction and that has a magnet insertion hole which extends in the axial direction; inserting a permanent magnet in the magnet insertion hole; curing a resin provided between an inner surface of the magnet insertion hole and an outer surface of the permanent magnet while pressure is applied to the rotor core in the axial direction, after the permanent magnet is inserted in the magnet insertion hole; and welding the electromagnetic steel plates along the axial direction after curing the resin.