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. 29, 2021
Filed:
Apr. 23, 2018
Siemens Aktiengesellschaft, Munich, DE;
Hainan Jinpan Smart Technology Co., Ltd., Hainan, CN;
Martin Alsina Navarro, Sao Paulo, BR;
Andre Luiz Moreno, Varzea Paulista, BR;
Yaoqiang Wang, Hubei, CN;
Yuqian Zhang, Hubei, CN;
Xiaofeng Lu, Hubei, CN;
SIEMENS ENERGY GLOBAL GMBH & CO. KG, Munich, DE;
HAINAN JINPAN SMART TECHNOLOGY CO. LTD, Haikou, CN;
Abstract
A tap changer assembly of a dry-type transformer. The tap changer assembly includes a first molding including multiple taps, a semi-conductive coating applied to the first molding, a conductive shield provided overtop some of the semi-conductive coating, a grounding member comprising a ring of bosses interconnected by a grounding conductor connected to the conductive shield, a second molding applied over at least a portion of the conductive shield and the grounding conductor, the second molding forming a molded sealing surface, a conductive cover coupled to the ring of bosses; and a sealing member sealing a space between the molded sealing surface and the conductive cover. Dry-type transformers and methods of forming a tap changer assembly of a dry-type transformer are provided, as are numerous other aspects.