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. 12, 2024
Filed:
Nov. 20, 2020
Applicant:
Hitachi Energy Ltd, Zürich, CH;
Inventors:
Fredrik Graas, Borlänge, SE;
Jesper Calpson, Ludvika, SE;
Alejandra Ravanal, Smedjebacken, SE;
David Emilsson, Ludvika, SE;
Peter Sjöberg, Ludvika, SE;
Zoltan Repasi, Västerås, SE;
Assignee:
HITACHI ENERGY LTD, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 17/30 (2006.01); H01F 27/04 (2006.01); H02G 15/04 (2006.01);
U.S. Cl.
CPC ...
H01B 17/308 (2013.01); H01B 17/303 (2013.01); H01F 27/04 (2013.01); H02G 15/046 (2013.01);
Abstract
The present disclosure relates to a bushing comprising a conductor tube, a support tube, arranged within the conductor tube, a draw-rod configured to run through the support tube, and a contact arrangement arranged to be drawn into the conductor tube by the draw-rod. The contact arrangement comprises a sealing plug arranged for sealingly engaging an inside wall of the conductor tube to prevent liquid from passing the sealing plug into the conductor tube.