JPS6390784U

JPS6390784U -

Info

Publication number: JPS6390784U
Application number: JP18463386U
Authority: JP
Priority date: 1986-11-28
Filing date: 1986-11-28
Publication date: 1988-06-13

Description

[Brief explanation of the drawing]

第１図から第４図はこの考案の実施例を示し、
第１図は斜視図、第２図は熱媒体入口側のヘツダ
の横断面図、第３図は偏平管と熱媒体入口側のヘ
ツダとの接合前の状態を示す斜視図、第４図はこ
の考案による熱交換器を蒸発器として使用した冷
凍装置におけるモリエル線図に示された冷凍サイ
クルを表わす図である。第５図および第６図は従
来例を示し、第５図は一部切欠き部分斜視図、第
６図は熱媒体入口側ヘツダの横断面図である。１……熱交換器、２……蛇行状偏平管、３……
熱媒体流通路、５……熱媒体入口側のヘツダ、６
……熱媒体出口側のヘツダ、７……拡管部。 Figures 1 to 4 show examples of this invention,
Fig. 1 is a perspective view, Fig. 2 is a cross-sectional view of the header on the heat medium inlet side, Fig. 3 is a perspective view showing the state before joining the flat tube and the header on the heat medium inlet side, and Fig. 4 is a cross-sectional view of the header on the heat medium inlet side. FIG. 2 is a diagram showing a refrigeration cycle shown in a Mollier diagram in a refrigeration system using the heat exchanger according to this invention as an evaporator. 5 and 6 show a conventional example, in which FIG. 5 is a partially cutaway partial perspective view, and FIG. 6 is a cross-sectional view of the heat medium inlet side header. 1... Heat exchanger, 2... Meandering flat tube, 3...
Heat medium flow path, 5... Header on the heat medium inlet side, 6
...Header on the heat medium outlet side, 7... Expansion section.

Claims

[Scope of utility model registration request]

In a heat exchanger equipped with a meandering flat tube having a plurality of heat medium flow paths inside and a tubular header joined to both ends of the meandering flat tube with the flat tube protruding inside, A heat exchanger in which the part protruding into the header on the heat medium inlet side is expanded into a tapered shape, and both side edges of the expanded part are brought into contact with the inner surface of the header.