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. 22, 2022
Filed:
Feb. 07, 2018
Applicant:
Sumida Corporation, Tokyo, JP;
Inventor:
Hiroyuki Miyazaki, Natori, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/32 (2006.01); H01F 27/34 (2006.01); H01F 5/02 (2006.01); H01F 41/061 (2016.01); H01F 27/28 (2006.01); H01F 27/24 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 27/34 (2013.01); H01F 5/02 (2013.01); H01F 27/24 (2013.01); H01F 27/28 (2013.01); H01F 27/2847 (2013.01); H01F 27/325 (2013.01); H01F 41/02 (2013.01); H01F 41/061 (2016.01); H01F 2005/025 (2013.01);
Abstract
A transformer includes: an upper E core; a lower E core; a first coil portion disposed so as to cover a magnetic leg of the upper E core and a magnetic leg of the lower E core; and a second coil portion disposed so as to cover the periphery of the first coil portion in a direction perpendicular to the central axis of winding of the first coil portion. The first coil portion includes a bobbin and an edgewise coil wound around the bobbin. The second coil portion includes a bobbin and an edgewise coil wound around the bobbin.