Title:
ボビンおよびコイル装置
Document Type and Number:
Japanese Patent JP7168902
Kind Code:
B2
Abstract:
To provide a coil device which can be miniaturized, and has less winding disorder of a wire and small variation in coil characteristic value, and a bobbin suitable for the same.SOLUTION: A plurality of winding partition flanges 46 that separate wire winding portions adjacent to each other along a winding axis of a wire 22 for each winding section 47 are formed on the outer peripheral portion of a bobbin 40. At least one communication groove 46a that connects the adjacent winding sections 47 to each other is formed in each of the winding partition flanges 46. A circumferential position of at least one of a pair of notch edges 46b, 46c formed on the winding partition flanges 46 so as to define a circumferential width of each connecting groove 46a differs between the winding partition flanges 46 adjacent to each other along the winding axis direction.SELECTED DRAWING: Figure 4B
Inventors:
Toshiyuki Horikawa
Kumagai Masaru
Shoichi Sasaki
Masaaki Iwakura
Kumagai Masaru
Shoichi Sasaki
Masaaki Iwakura
Application Number:
JP2018142852A
Publication Date:
November 10, 2022
Filing Date:
July 30, 2018
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01F27/32; H01F5/02; H01F30/10
Domestic Patent References:
| JP2010147106A | ||||
| JP2013157383A | ||||
| JP2013254890A | ||||
| JP1133720U | ||||
| JP4206706A | ||||
| JP58178511A | ||||
| JP2014160737A | ||||
| JP54093761U | ||||
| JP49103537U | ||||
| JP5093023U | ||||
| JP2000030957A |
Foreign References:
| US20030128092 |
Attorney, Agent or Firm:
Maeda Suzuki International Patent Attorneys Corporation