Title:
CONTACTLESS CHARGING COIL UNIT AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/209215
Kind Code:
A1
Abstract:
This contactless charging coil unit comprises: a base member that has, in an upper surface thereof, a winding storage section formed in a spiral shape from a center section toward a peripheral side; a coil that is obtained by winding a litz wire along the winding storage section, said litz wire being obtained by twisting together a plurality of round wires that have circular cross-sectional shapes and have insulating films; a cover member that covers an upper section of the base member and has, in a lower surface thereof, a protruding section corresponding to the winding storage section of the base member and being able to fit therewith; and a sealing material that is for firmly fixing the coil between the base member and the cover member and creating a watertight seal.
Inventors:
KOBAYASHI NOBUTOMO (JP)
YAMAZAKI KESAO (JP)
ASANUMA YUJI (JP)
YAMAZAKI KESAO (JP)
ASANUMA YUJI (JP)
Application Number:
PCT/JP2022/002421
Publication Date:
October 06, 2022
Filing Date:
January 24, 2022
Export Citation:
Assignee:
SELCO CO LTD (JP)
International Classes:
H01F38/14; B60L53/12; B60L53/30; B60M7/00; H01F27/32; H01F41/12; H02J7/00; H02J50/10
Foreign References:
| JP2016076605A | 2016-05-12 | |||
| JP2014120325A | 2014-06-30 | |||
| JP2015012066A | 2015-01-19 | |||
| JP2012151207A | 2012-08-09 | |||
| JPH09306760A | 1997-11-28 | |||
| JP2012089618A | 2012-05-10 | |||
| JP2015162475A | 2015-09-07 | |||
| JPH04125412U | 1992-11-16 | |||
| JP2016076605A | 2016-05-12 | |||
| JP2014120325A | 2014-06-30 |
Attorney, Agent or Firm:
YOSHIDA, Yoshiharu (JP)
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