Title:
COIL FOR NON-CONTACT POWER TRANSMISSION DEVICE AND NON-CONTACT POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2021163856
Kind Code:
A
Abstract:
To stabilize a characteristic of a coil for a non-contact power transmission device.SOLUTION: A coil 1 for a non-contact power transmission device, comprises: a winding 3 in which an AC current flows; a core 2 forming a part of a circumference magnetic path linked to the winding 3; and a bobbin 4 to which the winding 3 is wound with a winding shaft O as a center. The core 2 comprises: a bottom part 21; an inner core 22 stood from the bottom part 21, and arranged at the inner side of the winding; and an outer core 23 stood from the bottom part 21, and arranged in the outside of the winding. End faces 22a and 23a are formed in the inner core 22 and the outer core 23. A first flange part 42 extended in a radial direction of the winding shaft O is provided to the bobbin 4, and the first flange part 42 is arranged over the end face 22a of the inner core and the end face 23a of the outer core.SELECTED DRAWING: Figure 2
Inventors:
KAMBE SHOGO
SHIMAZU EIICHIRO
SHIMAZU EIICHIRO
Application Number:
JP2020063749A
Publication Date:
October 11, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
H01F38/14; H01F5/02; H01F38/18; H02J50/10
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano