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:
Jan. 09, 2018
Filed:
Feb. 13, 2015
Applicant:
Maschinenfabrik Reinhausen Gmbh, Regensburg, DE;
Inventors:
Alexander Reich, Mintraching, DE;
Simon Flotzinger, Aufhausen, DE;
Nikolaus Unterreiner, Regensburg, DE;
Assignee:
MASCHINENFABRIK REINHAUSEN GMBH, Regensburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/52 (2006.01); H01H 9/00 (2006.01); H01F 29/04 (2006.01); H01L 23/473 (2006.01);
U.S. Cl.
CPC ...
H01H 9/52 (2013.01); H01F 29/04 (2013.01); H01H 9/0044 (2013.01); H01L 23/473 (2013.01);
Abstract
An on-load tap changer has a housing, a switching module inside the housing and having a switch and a cooling conduit, an insulating liquid that surrounds the switching module inside the housing, and a cooling circuit comprising a pump, the cooling conduit and a heat exchanger. The interior of the housing and the cooling circuit are hydraulically connected together for flow of the insulating liquid through the cooling circuit and the housing and cooling of the housing with the insulating liquid.