Patent · US Active

Air-cooled air-to-air bushing

US12165786B2 · kind B2 · utility

0Cited by

6References

20Claims

0Family size

Assignee

Hitachi Energy Ltd · CH

Inventors

Dan Gustavsson · Ludvika, SE
Simon Lindgren · Nordstraße, SE
Jan Kogner · Trosa, SE
Richard Natz · Nordstraße, SE
Zoltan Repasi · Västerås, SE
Thomas Eriksson · Ludvika, SE

Key dates

Filing date	Jan 15, 2021
Grant date	Dec 10, 2024
Priority date	—
Expiry date	Sep 9, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH01B17/26
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.