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.

Date of Patent:
Dec. 10, 2024

Filed:

Jan. 15, 2021
Applicant:

Hitachi Energy Ltd, Zürich, CH;

Inventors:

Dan Gustavsson, Ludvika, SE;

Simon Lindgren, Borlänge, SE;

Jan Kogner, Västerljung, SE;

Richard Natz, Borlänge, SE;

Zoltan Repasi, Västerås, SE;

Thomas Eriksson, Ludvika, SE;

Assignee:

HITACHI ENERGY LTD, Zürich, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 17/54 (2006.01); H01B 17/26 (2006.01);
U.S. Cl.
CPC ...
H01B 17/54 (2013.01); H01B 17/26 (2013.01);
Abstract

The present disclosure relates to an air-to-air through-wall bushing including a conductor, insulation surrounding the conductor, a ventilation inlet at a first end of the bushing, and a ventilation outlet at a second end of the bushing. The bushing is arranged through a wall and a pressure difference between a first pressure on a first side of the wall and a second pressure on a second side of the wall is provided The inlet and outlet allow cooling air to pass through a ventilation channel within the bushing driven by the provided pressure difference.


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