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:
Dec. 19, 2017
Filed:
Jul. 18, 2013
Applicants:
Abb Technology Ag, Zurich, CH;
Robert C. Ballard, Wytheville, VA (US);
Inventors:
Robert C. Ballard, Wytheville, VA (US);
Ryan Christian Tyler Alkire, Christiansburg, VA (US);
Brian J. Akers, Ivanhoe, VA (US);
Thomas A. Gburek, Lewisville, NC (US);
Pascal Schutt, Borchen, DE;
Assignee:
ABB SCHWEIZ AG, Baden, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F 21/12 (2006.01); H01F 27/30 (2006.01); H01F 27/32 (2006.01); H01F 41/12 (2006.01); H01F 27/29 (2006.01); H01F 41/10 (2006.01);
U.S. Cl.
CPC ...
H01F 27/327 (2013.01); H01F 27/29 (2013.01); H01F 41/10 (2013.01); H01F 41/127 (2013.01);
Abstract
A dry type cast coil transformer () includes a hollow body (), a dome structure () extending from the body, and undulation structure (), defining at least a portion of an outer surface of the dome structure, constructed and arranged to increase an electrical track path in the dome structure.