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Patent Searching and Data


Title:
POWER CONVERSION DEVICE FOR RAILWAY VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/097271
Kind Code:
A1
Abstract:
The present invention improves the cooling performance of a power conversion device installed on a railway vehicle. A power conversion device for a railway vehicle, is provided with: a plurality of power semiconductor elements; and a heat receiving member, the plurality of power semiconductor elements being attached to one side surface of the heat receiving member, wherein the heat receiving member is horizontally provided in the lower portion of the vehicle body, the power semiconductor elements are arranged on the upper side of the heat receiving member, and a heat dissipating unit formed of a self-excited vibration heat pipe is provided on the opposite surface of the heat receiving member, whereby a structure is configured in which wind made by travelling of the vehicle is drawn into the heat dissipating unit.

Inventors:
FUNAKOSHI SUNAO (JP)
YASUDA YOSUKE (JP)
NISHIHARA ATSUO (JP)
SUZUKI OSAMU (JP)
TERAKADO SHUICHI (JP)
HORIUCHI KEISUKE (JP)
TANAKA TAKESHI (JP)
Application Number:
PCT/JP2017/042321
Publication Date:
May 31, 2018
Filing Date:
November 27, 2017
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B60L3/00; H02M7/48
Foreign References:
JP2004229500A2004-08-12
JP2003244968A2003-08-29
JP2004087553A2004-03-18
JP2011050166A2011-03-10
JP2013194919A2013-09-30
Other References:
See also references of EP 3546272A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY DAI-ICHI KOKUSAI TOKKYO JIMUSHO (JP)
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