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:
Oct. 27, 2015
Filed:
Oct. 11, 2013
Abb Technology Ag, Zürich, CH;
Marcos Bockholt, Paderborn, DE;
Frank Cornelius, Olsberg, DE;
Jens Tepper, Brilon, DE;
Burak Esenlik, Paderborn, DE;
Bhavesch Patel, Brilon, DE;
Benjamin Weber, Winterberg, DE;
ABB TECHNOLOGY AG, Zurich, CH;
Abstract
A dry-type transformer heater includes a closed housing, and at least one transformer winding arranged in the housing. The at least one transformer winding includes at least one corresponding winding conductor and a corresponding insulation layer surrounding the transformer winding, respectively. In addition to the respective winding conductor, at least one coil heating wire is provided in at least one of the insulation layer and on the surface of the insulation layer to input thermal power into the respective insulation layer.