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Title:
DUAL-MODE CHOKE COIL AND HIGH-FREQUENCY FILTER USING SAME, AND ON-BOARD MOTOR INTEGRATED ELECTRIC POWER STEERING AND ON-BOARD CHARGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/088460
Kind Code:
A1
Abstract:
A dual-mode choke coil (1) comprises the following: a lower core (4) that has a first through fourth columnar body (5a-5d); a first upper core (6a) and a second upper core (6b); a first coil (3a) in which two coil conductors are respectively wound onto the first columnar body (5a) and a third columnar body (5c) in mutually different directions and are connected in series; and a second coil (3b) in which two coil conductors are respectively wound onto a second columnar body (5b) and the fourth columnar body (5d) in mutually different directions and are connected in series, and in which the winding direction of the coil conductor of the second columnar body (5b) is the same as that of the coil conductor of the first columnar body (5a). Due to this configuration, the present invention has an excellent effect for reducing both common mode noise and normal mode noise.

Inventors:
SHIRAKI YASUHIRO (JP)
YONEDA SATOSHI (JP)
OMAE KATSUHIKO (JP)
HARUNA NOBUYUKI (JP)
Application Number:
PCT/JP2015/079504
Publication Date:
June 09, 2016
Filing Date:
October 20, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H01F17/04; B60L50/13; H01F27/00; H03H7/01; H03H7/09
Foreign References:
JP2002299133A2002-10-11
JP2006222387A2006-08-24
JPS5984827U1984-06-08
JP2008172162A2008-07-24
JP2008037380A2008-02-21
JP2011009985A2011-01-13
JP2001230120A2001-08-24
JP2013501346A2013-01-10
JP2007235580A2007-09-13
Other References:
See also references of EP 3229245A4
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
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