Title:
COIL UNIT
Document Type and Number:
Japanese Patent JP2018074053
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a coil unit that is able to increase an amount of magnetic flux entering a ferrite plate, while restricting an increase in the size of a coil unit.SOLUTION: A coil unit 3 comprises: a ferrite plate-like part 71 including: a flat plate part having a first main surface 70a and a second main surface 70b aligned in a thickness direction, and a projecting part; a power transmission coil 12 formed so as to surround the periphery of a winding shaft extending in the thickness direction of the ferrite plate 71 and arranged on a first main surface 70a side; and a shield member 60 disposed on the second main surface 70b. As viewed from the thickness direction, the second main surface 70b includes: an outer peripheral part located further outside than a coil 12; and an exposure part R1 located near the outer peripheral part and exposed from the shield member 60. The projecting part 72 is provided on the exposure part R1 so as to project further outward than the shield member 60.SELECTED DRAWING: Figure 4
Inventors:
DOI TAIGA
YUASA HIROAKI
UEKIHARA DAISUKE
YUASA HIROAKI
UEKIHARA DAISUKE
Application Number:
JP2016214225A
Publication Date:
May 10, 2018
Filing Date:
November 01, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01F38/14; H01F27/02; H01F27/36; H02J50/12; H02J50/70
Domestic Patent References:
| JP2016103926A | 2016-06-02 | |||
| JP2014233187A | 2014-12-11 |
Attorney, Agent or Firm:
Fukami patent office