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. 13, 2007
Filed:
Sep. 07, 2004
Applicant:
Erkki Miettinen, Helsinki, FI;
Inventor:
Erkki Miettinen, Helsinki, FI;
Assignee:
ABB Oy, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/27 (2006.01); H01F 30/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inductor arrangement for a frequency converter or corresponding electrical apparatus, the inductor arrangement comprising an input inductor coupled to the input side of the electrical apparatus and an output inductor coupled to the output side of the apparatus, the input inductor comprising a core element having yokes and columns, and several winding turns for each phase formed around the core element. The output inductor is provided in the inductor arrangement by placing a predetermined length of a conductor of each phase in the output of said electrical apparatus adjacent to the core element of the input inductor.