Title:
HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/235030
Kind Code:
A1
Abstract:
Provided is a heat exchanger comprising a plurality of heat transfer tubes that are provided so as to extend in a first direction and are aligned in a row in a second direction orthogonal to the first direction at intervals, and a header that is provided so as to extend in the second direction and connects the ends of the plurality of adjacent heat transfer tubes in the first direction, wherein the header is equipped with a bypass pipe on the bottom side for discharging the oil accumulated at the bottom, and the plurality of heat transfer tubes are arranged at positions where the center thereof in a third direction intersecting the first direction and the second direction is eccentric with respect to the center of the cross section of the header orthogonal to the second direction. Thus, it is possible to reduce the amount of refrigeration oil accumulated and improve the quality.
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Inventors:
NAGATA RYUICHI (JP)
HIGASHIIUE SHINYA (JP)
MAEDA TSUYOSHI (JP)
ISHIYAMA HIROKI (JP)
HIGASHIIUE SHINYA (JP)
MAEDA TSUYOSHI (JP)
ISHIYAMA HIROKI (JP)
Application Number:
PCT/JP2019/020208
Publication Date:
November 26, 2020
Filing Date:
May 22, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F9/02; F28D1/053
Foreign References:
| JP2015017738A | 2015-01-29 | |||
| JP2000304378A | 2000-11-02 | |||
| JP2017190896A | 2017-10-19 | |||
| JP2007057176A | 2007-03-08 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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