Title:
COIL DEVICE
Document Type and Number:
Japanese Patent JP2018022783
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To facilitate assembly work of a magnetic core and suppress unbalancing from occurring at an AC current running through a coil.SOLUTION: A disk part 5 of a magnetic core 9 is formed from an integral molding component of a dust magnetic substance containing metal magnetic powder and a diameter DI1 of a through hole 5a in the disk part 5 is set to be larger than a space W between an inner-peripheral edge and an outer-peripheral edge of the disk part 5.SELECTED DRAWING: Figure 5
Inventors:
UEDA KOHEI
MORIMOTO SADAO
MORIMOTO SADAO
Application Number:
JP2016153390A
Publication Date:
February 08, 2018
Filing Date:
August 04, 2016
Export Citation:
Assignee:
TABUCHI DENKI KK
International Classes:
H01F37/00; H01F1/14; H01F1/24; H01F27/24; H01F27/255; H01F27/28
Domestic Patent References:
| JP2012049487A | 2012-03-08 | |||
| JPS5495365A | 1979-07-27 | |||
| JP2010040809A | 2010-02-18 | |||
| JP2010245294A | 2010-10-28 | |||
| JP2014220435A | 2014-11-20 | |||
| JP2009117442A | 2009-05-28 |
Foreign References:
| WO2012157053A1 | 2012-11-22 | |||
| WO2013065095A1 | 2013-05-10 | |||
| US20140268896A1 | 2014-09-18 | |||
| US20140292455A1 | 2014-10-02 |
Attorney, Agent or Firm:
Maeda patent office