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. 01, 2021
Filed:
Nov. 01, 2018
Johnson Electric International Ag, Murten, CH;
Yue Li, Hong Kong, CN;
Youqing Xiang, Shenzhen, CN;
Xiaojun Yan, Shenzhen, CN;
Minghua Xiong, Shenzhen, CN;
Bailin Bo, Shenzhen, CN;
Zhanqi Zhang, Shenzhen, CN;
Qingliang Lang, Shenzhen, CN;
Yun Chen, Shenzhen, CN;
Jian Zhao, Shenzhen, CN;
Yanfei Liao, Shenzhen, CN;
JOHNSON ELECTRIC INTERNATIONAL AG, Murten, CH;
Abstract
A motor includes a stator, a rotor rotatable relative to the stator, a circuit board fixed to the stator, and a heat sink disposed on the circuit board, a side surface of the circuit board facing the heat sink has an insulating region and a metal heat dissipation region without solder mask. The thermal resistance between the circuit board and the heat sink can be reduced by the metal heat dissipation region, thereby improving the heat dissipation of the circuit board.