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1. (WO2017150221) HEAT EXCHANGER AND AIR CONDITIONER

Pub. No.:    WO/2017/150221    International Application No.:    PCT/JP2017/005960
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Sat Feb 18 00:59:59 CET 2017
IPC: F28F 9/02
F25B 39/00
F28F 9/22
Applicants: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
三菱重工サーマルシステムズ株式会社
Inventors: KATSURAYAMA Yohei
葛山 洋平
AOKI Yasutaka
青木 泰高
TATENOI Hideaki
立野井 秀哲
SAKAI Masayuki
左海 将之
Title: HEAT EXCHANGER AND AIR CONDITIONER
Abstract:
A heat exchanger (10) is provided with: a plurality of first heat transfer tubes (21); a first header section (52); a plurality of second heat transfer tubes (22); a second header section (53); a first connecting tube (55); and a second connecting tube (56). The plurality of first heat transfer tubes (21) extend in the horizontal direction and are arranged with gaps therebetween in the vertical direction. One end of each of the plurality of first heat transfer tubes (21) is connected to the first header section (52) in a communicating state. The plurality of second heat transfer tubes (22) extend in the horizontal direction and are arranged with gaps therebetween in the vertical direction. One end of each of the plurality of second heat transfer tubes (22) is connected to the second header section (53) in a communicating state. The first connecting tube (55) connects a lower portion of the first header section (52) and an upper portion of the second header section (53). The second connecting tube (56) connects an upper portion of the first header section (52) and a lower portion of the second header section (53).