Patent · US Active

Low-pressure aluminum casting mold and low-pressure aluminum casting process for motor rotor

US12226818B2 · kind B2 · utility

0Cited by

1References

3Claims

0Family size

Assignee

SHANXI ELECTRIC MOTOR MANUFACTURING CO., LTD. · CN

Inventors

Wenhe Zhang · Taiyuan, CN
Zeyong Wu · Hangzhou City, CN
Xijuan Zhai · Taiyuan, CN
Xiangyong Kong · Beijing, CN
Hongrong Zhang · Taiyuan, CN
Chao CUI · Beijing, CN
Junwei Yan · Beijing, CN
Biao Hu · Longbeilingcun, CN

Key dates

Filing date	Jul 5, 2022
Grant date	Feb 18, 2025
Priority date	—
Expiry date	Jul 5, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D28/22
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.