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公开(公告)号：US11348850B2
公开(公告)日：2022-05-31
申请号：US16496645
申请日：2017-03-27
发明人： Hirokazu Takabayashi , Ryosuke Nakagawa , Shigetoshi Ipposhi , Masaru Shinozaki , Hiroyuki Ushifusa
IPC分类号： H01L23/04 , H01L23/049 , F28F3/02 , H02M7/00 , F28F3/04 , F28F3/06 , H01L23/42 , H01L23/473 , H01L23/367 , H01L23/373
摘要： A vehicle power conversion device includes: a housing configured to accommodate an electronic component therein and having an opening; and a cooling device. The cooling device includes a base being a plate-shaped member and heat sinks attached to the base. The base has a groove with refrigerant enclosed. The base has a first main surface to which the electronic component is to be attached, and covers the opening by the first main surface facing an interior of the housing. The heat sinks are joined, at intervals, onto the second main surface of the base.
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公开(公告)号：US10819189B2
公开(公告)日：2020-10-27
申请号：US16308876
申请日：2017-03-28
发明人： Masaru Shinozaki , Yugo Asai , Yusuke Kimoto , Hiroyuki Ushifusa , Yoshiaki Kitta , Yoshiyuki Deguchi
摘要： A cooling apparatus includes: an annular internal liquid coolant flow channel that is mounted to a rotary electric machine main body, and in which an internal liquid coolant circulates around an outer circumference of the rotary electric machine main body, and an external liquid coolant passage portion through which an external liquid coolant passes, the external liquid coolant passage portion is connected to the internal liquid coolant flow channel by a connecting portion that is positioned vertically higher than the rotary electric machine main body, and the electric power converting apparatus includes a heat radiating surface that releases heat that is generated in the electric power converting apparatus, the electric power converting apparatus being mounted to the cooling apparatus such that the heat radiating surface and the internal liquid coolant can exchange heat at a position that is vertically lower than the connecting portion.
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