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:
Feb. 08, 2011
Filed:
Jul. 18, 2007
William E. Pauley, Jr., Bland, VA (US);
Charlie H. Sarver, Rocky Gap, VA (US);
Rush B. Horton, Jr., Wytheville, VA (US);
William E. Pauley, Jr., Bland, VA (US);
Charlie H. Sarver, Rocky Gap, VA (US);
Rush B. Horton, Jr., Wytheville, VA (US);
ABB Technology AG, Zurich, CH;
Abstract
The present invention is directed to a method of forming a transformer having a stacked core, which includes upper and lower yokes and first and second outer legs. The core also includes one or more inner legs. Each of the upper and lower yokes is formed from a stack of plates and has a rectangular cross-section. Each inner leg is formed from a stack of plates and has a cruciform cross-section. Each of the first and second outer legs is formed from a stack of plates and may have a cruciform cross-section.