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Title:
ELECTROMAGNETIC APPARATUS USING DUST MAGNETIC CORE AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2014011855
Kind Code:
A
Abstract:

To provide an electromagnetic apparatus which prevents defects caused by protrusion of an adhesive without reducing a magnetic path effective cross sectional area.

An electromagnetic apparatus includes: a dust magnetic core; and a rotation shaft inserted into a hole of the dust magnetic core and fixed by an adhesive. A groove is formed in a rotation direction of the rotation shaft on a surface of a portion of the rotation shaft which is inserted into the hole of the dust magnetic core.


Inventors:
MARUYAMA NAOAKI
WAKABAYASHI TAKAYUKI
SATO NORIYUKI
ARAI KATSUMI
Application Number:
JP2012146078A
Publication Date:
January 20, 2014
Filing Date:
June 28, 2012
Export Citation:
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Assignee:
CANON DENSHI KK
International Classes:
H02K1/28; H01F3/08; H01F27/255; H02K1/02
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu