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:
Nov. 18, 2025
Filed:
Mar. 16, 2023
Huawei Digital Power Technologies Co., Ltd., Shenzhen, CN;
Bozhi Tan, Dongguan, CN;
Wenjun Wang, Dongguan, CN;
Jiaan Tang, Dongguan, CN;
Guangming Huang, Dongguan, CN;
Taixian Chen, Dongguan, CN;
Fugao Zhao, Dongguan, CN;
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A direct-current contactor includes a contact assembly, an arc extinguishing assembly, and a drive assembly. The arc extinguishing assembly is disposed around the contact assembly. The contact assembly includes a moving contact mechanism and a stationary contact mechanism that are disposed in pairs. The moving contact mechanism includes a moving contact. The stationary contact mechanism includes a stationary contact and an arc introducing plate disposed around the stationary contact. The arc introducing plate is configured to introduce an electric arc generated between the moving contact mechanism and the stationary contact mechanism into the arc extinguishing assembly. The drive assembly is configured to drive a connection or a disconnection of the moving contact and the stationary contact.