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:
Sep. 18, 2012
Filed:
Apr. 14, 2009
Ole Johan Bjerknes, Oslo, NO;
Svein Olaf Klemetsen, Horten, NO;
Jon Liverud, Oslo, NO;
Aker Engineering & Technology AS, Lysaker, NO;
Abstract
A system for high power transmission on an installation comprising a first part () and a second part () rotating relative to each other characterized in that the system further comprising a rotary three-phase transformer having primary (U, V, W) and secondary (U, V, W) windings, the first part being provided with one of said primary (U, V, W) or secondary (U, V, W) windings, the second part being provided with the remaining winding of said primary (U, V, W) or secondary (U, V, W) windings, said primary (U, V, W) and secondary (U, V, W) windings are arranged to face each other, and an air gap () is provided between the primary (U, V, W) and secondary (U, V, W) windings and their corresponding parts of the transformer cores.