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:
May. 02, 2017

Filed:

Jun. 24, 2014
Applicant:

Maschinenfabrik Reinhausen Gmbh, Regensburg, DE;

Inventors:

Klaus Hoepfl, Maxhuette-Haidhof, DE;

Silke Wrede, Zeitlarn, DE;

Hubert Zwirglmaier, Regensburg, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/44 (2006.01); H01H 9/00 (2006.01); F16L 55/11 (2006.01);
U.S. Cl.
CPC ...
H01H 9/0005 (2013.01); F16L 55/1108 (2013.01); H01H 9/0044 (2013.01); H01H 2009/005 (2013.01);
Abstract

An on-load tap changer has a switching tube, an oil suction pipe arranged centrally and coaxially along an axis inside the switching tube, and a kerosene drain screw so mounted in a base of the on-load tap changer that it is coaxial with an axis of the oil suction pipe, with the axis of the switching tube, and with an axis of the on-load tap changer. A bearing ring is so acted on by a resilient element at one side and radially with respect to the axis of the on-load tap changer that the switching tube and the oil suction pipe both mechanically positively cooperate with the bearing ring and are centered about the axis of the on-load tap changer.


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