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Patent Searching and Data


Title:
ELECTRIC POWER CONVERSION APPARATUS AND METHOD FOR MANUFACTURING SELF-EXCITED VIBRATION HEAT PIPE
Document Type and Number:
WIPO Patent Application WO/2019/151375
Kind Code:
A1
Abstract:
The purpose of the present invention is to expand a usable temperature range, reduce performance deterioration during sudden damage to a fluid passage, and improve reliability, in a cooling device provided with a self-excited vibration heat pipe used in a moving body such as a rail vehicle. To achieve the purpose, this electric power conversion apparatus according to the present invention is provided with: a semiconductor element which constitutes an electric power conversion circuit; and a cooling device which cooling heat generated from the semiconductor element, wherein the cooling device is provided with a self-excited vibration heat pipe and the self-excited vibration heat pipe has a plurality of closed fluid passages disposed in parallel.

Inventors:
NABESHIMA FUMIKA (JP)
NISHIHARA ATSUO (JP)
YASUDA YOSUKE (JP)
TERAKADO SHUICHI (JP)
AKIYAMA SATORU (JP)
Application Number:
JP2019/003306
Publication Date:
August 08, 2019
Filing Date:
January 31, 2019
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
F28D15/02; B60L3/00; B60L9/18; H01L23/427; H02M7/48; H05K7/20
Foreign References:
JP2003229520A2003-08-15
JP2004229500A2004-08-12
JP2012507680A2012-03-29
JP2011102691A2011-05-26
JP2000356486A2000-12-26
JPH0914875A1997-01-17
JP2018088744A2018-06-07
Attorney, Agent or Firm:
PATENT CORPORATE BODY DAI-ICHI KOKUSAI TOKKYO JIMUSHO (JP)
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