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:
Oct. 24, 2017

Filed:

Nov. 23, 2015
Applicant:

Abb Schweiz Ag, Baden, CH;

Inventors:

Peter Sjöberg, Ludvika, SE;

Robert Floresjö, Borlänge, SE;

Simon Lindgren, Borlänge, SE;

Thomas Eriksson, Ludvika, SE;

Anders Östlund, Borlänge, SE;

Assignee:

ABB Schweiz AG, Baden, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/14 (2006.01); H01B 17/34 (2006.01); H01B 17/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/14 (2013.01); H01B 17/34 (2013.01); H01B 17/28 (2013.01);
Abstract

An electrical power component, such as a bushing. The power component includes a housing, a condenser core arranged in the housing and including an electrical insulation, a space formed between the condenser core and the housing, an expansion vessel positioned adjacent and in open communication with the space between the condenser core and the housing, and an electrically insulating fluid, such as oil, contained in the space between the condenser core and the. The power component further includes one or more filler elements having a higher density and lower thermal expansion coefficient than the fluid, and the one or more filler elements are movably arranged in the expansion vessel.


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