Title:
POWER COIL
Document Type and Number:
WIPO Patent Application WO/2017/195447
Kind Code:
A1
Abstract:
The present invention suppresses magnetic field leakage. A power coil that transmits or receives power has: an inner coil; a first outer coil that is formed so as to surround the inner coil, the first outer coil generating, at the outside, magnetic flux having a reverse phase with respect to the magnetic flux of the outside of the inner coil, and being configured such that one end is connected to a first terminal and the other end is connected to one end of the inner coil; and a second outer coil that is formed so as to surround the inner coil, the second outer coil generating, at the outside, magnetic flux having the reverse phase with respect to the magnetic flux of the outside of the inner coil, and being configured such that one end is connected to a second terminal and the other end is connected to the other end of the inner coil.
Inventors:
ICHIKAWA KATSUEI (JP)
Application Number:
PCT/JP2017/008926
Publication Date:
November 16, 2017
Filing Date:
March 07, 2017
Export Citation:
Assignee:
HITACHI MAXELL (JP)
International Classes:
H01F38/14; A61G7/14; H02J7/00; H02J50/10; H02J50/70; B60L5/00; B60L11/18; B60M7/00
Domestic Patent References:
| WO2013179639A1 | 2013-12-05 | |||
| WO2016162964A1 | 2016-10-13 |
Foreign References:
| JPH1132452A | 1999-02-02 | |||
| JP2012244763A | 2012-12-10 | |||
| JP2003037950A | 2003-02-07 | |||
| JP2013243431A | 2013-12-05 | |||
| JP2015089259A | 2015-05-07 | |||
| JP2015012702A | 2015-01-19 | |||
| US20130187474A1 | 2013-07-25 |
Attorney, Agent or Firm:
SHOYO INTELLECTUAL PROPERTY FIRM (JP)
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