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. 18, 2025
Filed:
Jul. 05, 2022
Shanxi Electric Motor Manufacturing Co., Ltd., Taiyuan, CN;
Wenhe Zhang, Taiyuan, CN;
Zeyong Wu, Taiyuan, CN;
Xijuan Zhai, Taiyuan, CN;
Xiangyong Kong, Taiyuan, CN;
Hongrong Zhang, Taiyuan, CN;
Chao Cui, Taiyuan, CN;
Junwei Yan, Taiyuan, CN;
Biao Hu, Taiyuan, CN;
SHANXI ELECTRIC MOTOR MANUFACTURING CO., LTD., Taiyuan, CN;
Abstract
A low-pressure aluminum casting mold and a low-pressure aluminum casting process for a motor rotor. The low-pressure aluminum casting mold includes an upper blade profile assembly, a lower blade profile assembly, a rotor core, a dummy shaft and a diverter. The upper blade profile assembly includes an upper backing plate and an upper mold, and the lower blade profile assembly includes a lower backing plate and a lower mold. The low-pressure aluminum casting mold further includes a first pressing device and four sets of second pressing devices. The low-pressure aluminum casting process includes the steps of cold lamination, heating of the rotor core, mold preparation, hot lamination, and low-pressure casting.