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. 10, 2026
Filed:
Apr. 28, 2023
Byd Company Limited, Guangdong, CN;
Heping Ling, Shenzhen, CN;
Zhen Zhai, Shenzhen, CN;
Linna Liu, Shenzhen, CN;
Yun Liang, Shenzhen, CN;
Yuchao Xiong, Shenzhen, CN;
BYD Company Limited, Shenzhen, CN;
Abstract
A cooling structure for a drive system, includes a motor assembly. The motor assembly includes a rotary shaft and a cooling tube having an inner hole. The rotary shaft includes a mounting hole for receiving the cooling tube. An annular water channel is formed between an outer wall of the cooling tube and an inner wall of the mounting hole. The inner hole and the annular water channel form a rotor cooling water channel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile