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:
Aug. 04, 2026
Filed:
Nov. 20, 2020
Zhuzhou Crrc Times Electric Co., Ltd., Zhuzhou, CN;
Kean Liu, Zhuzhou, CN;
Dinghua Zhang, Zhuzhou, CN;
Jing Shang, Zhuzhou, CN;
Bo Peng, Zhuzhou, CN;
Xiangyang Zhang, Zhuzhou, CN;
Haoping Liu, Zhuzhou, CN;
Mingyuan Yang, Zhuzhou, CN;
Wei Xiao, Zhuzhou, CN;
Yinggu Zhu, Zhuzhou, CN;
Shaolong Xu, Zhuzhou, CN;
Zhihao Chen, Zhuzhou, CN;
Jinyu Liao, Zhuzhou, CN;
Yao Zhou, Zhuzhou, CN;
Renxiong Li, Zhuzhou, CN;
Xuan Wu, Zhuzhou, CN;
Chang Liu, Zhuzhou, CN;
Shufang Tang, Zhuzhou, CN;
ZHUZHOU CRRC TIMES ELECTRIC CO., LTD., Zhuzhou, CN;
Abstract
The invention provides a power distribution and drive system for a remotely underwater operated vehicle ROV, comprises: a high-voltage DC power supply device, located above the water surface to provide high-voltage DC voltage to the ROV; a DC buck conversion device, connected to the high-voltage DC power supply device through a cable for converting the high-voltage DC voltage to a low-voltage DC voltage to supply power to the ROV, wherein the DC buck conversion device comprises multiple parallel DC conversion modules, each DC conversion module bearing an average load current to supply power to the ROV; and at least one thruster, which comprises a propeller, a synchronous motor, and a driver.