Title:
Coil parts
Document Type and Number:
Japanese Patent JP6287974
Kind Code:
B2
Abstract:
A coil component includes a core with a closed magnetic circuit structure, a primary-side coil wound around the core, and a secondary-side coil wound around the core, disposed in an axial direction of the primary-side coil, and magnetically coupled to the primary-side coil. The primary-side coil and the secondary-side coil each include a first coil portion, and a second coil portion electrically connected to the first coil portion. The second coil portion overlaps in an axial direction of the first coil portion and an axis of the second coil portion is eccentric from an axis of the first coil portion. A cross-sectional area of an inner magnetic path of the second coil portion in a direction orthogonal to the axis is smaller than a cross-sectional area of an inner magnetic path of the first coil portion in a direction orthogonal to the axis.
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Inventors:
Yoshioka
Kenji Nishiyama
Hama Akinori Ta
Kenji Nishiyama
Hama Akinori Ta
Application Number:
JP2015130138A
Publication Date:
March 07, 2018
Filing Date:
June 29, 2015
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01F17/00; H01F27/28; H01F17/04; H01F19/00; H01F37/00
Domestic Patent References:
| JP2002541658A | ||||
| JP2003532285A | ||||
| JP2015005628A | ||||
| JP2007089133A | ||||
| JP2014175825A | ||||
| JP4354313A | ||||
| JP4245410A | ||||
| JP3280409A | ||||
| JP2008072071A | ||||
| JP2012089760A | ||||
| JP2001160510A | ||||
| JP2002203719A | ||||
| JP2013201374A |
Foreign References:
| EP0450448A1 |
Attorney, Agent or Firm:
Samejima Mutsumi
Yoshida Tamaki
Yoshida Tamaki