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Patent Searching and Data


Title:
CHOKE COIL
Document Type and Number:
WIPO Patent Application WO/2018/047372
Kind Code:
A1
Abstract:
Provided is a choke coil with which an improved noise reduction effect can be obtained by sufficiently attenuating a magnetic field coupling between the choke coil and a metal component. Connector connection wires include: a first connection wire drawn from a connector conductor side of a coil body of a winding in a y-axis direction away from the coil body; a second connection wire drawn from the first connection wire in an x-axis direction away from the connector conductor at a corner portion of a first leg column or a second leg column; a third connection wire drawn from the second connection wire in a z-axis direction toward a lower yoke; and a fourth connection wire drawn from the third connection wire in the x-axis direction toward the connector conductor.

Inventors:
SHIRAKI, Yasuhiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
OMAE, Katsuhiko (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/006783
Publication Date:
March 15, 2018
Filing Date:
February 23, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H01F37/00; H01F27/28
Foreign References:
US20160064139A12016-03-03
JPH07130546A1995-05-19
JP2014017365A2014-01-30
Other References:
See also references of EP 3511963A4
Attorney, Agent or Firm:
SOGA, Michiharu et al. (S. Soga & Co, 8th Floor Kokusai Building, 1-1, Marunouchi 3-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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