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:
Apr. 05, 2022
Filed:
Nov. 24, 2017
Haihong Electric Co., Ltd., Guangdong, CN;
Kaixuan Xu, Guangdong, CN;
Lizhen Zhai, Guangdong, CN;
Qingning Liang, Guangdong, CN;
Jingtao Luo, Guangdong, CN;
Libo Zhou, Guangdong, CN;
Haihong Electric Co., LTD., Guangdong, CN;
Abstract
A novel pulling plate structure for a three-dimensional wound core of a transformer, including a three-dimensional wound core spliced by three rectangular single frames, the three-dimensional wound core includes three core legs, an upper iron yoke and a lower iron yoke, an upper frame surrounding the upper iron yoke is installed in a top of the three-dimensional wound core, a lower frame surrounding the upper iron yoke is installed at a bottom of the three-dimensional wound core, the core leg has a longitudinal cross-section opposite and parallel to inside faces of the upper frame and the lower frame, a pulling plate is installed in a plane of the longitudinal cross-section, the pulling plate is connected with the upper frame and the lower frame.