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:
Dec. 08, 2015
Filed:
Jun. 07, 2013
Applicant:
Wuhan Taipu Transformer Changer Co., Ltd., Wuhan, CN;
Inventor:
Xin Liu, Wuhan, CN;
Assignee:
WUHAN TAIPU TRANSFORMER CHANGER CO., LTD., Wuhan, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 1/42 (2006.01); H01H 19/56 (2006.01); H01H 19/08 (2006.01); H01H 9/00 (2006.01);
U.S. Cl.
CPC ...
H01H 19/08 (2013.01); H01H 9/0016 (2013.01);
Abstract
In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base.