JPS5967776U - Heat exchanger - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の熱交換器を示す縦断面図、第２図は第１
図の■−■線による断面図で、冷媒流通管の配設状態を
示している。第３図はこの考案の一実施例による冷媒流
通管の配設状態を示す断面図である。 図において、１は熱交換器、４は冷媒流通管、４Ａは上
流側の冷媒流通管群、４Ｂは下流側の冷媒流通管群であ
る。なお、図中同一符号は同−又は相当部分を示す。Figure 1 is a longitudinal cross-sectional view of a conventional heat exchanger, and Figure 2 is a vertical cross-sectional view of a conventional heat exchanger.
This is a sectional view taken along the line ■-■ in the figure, showing the arrangement of the refrigerant flow pipes. FIG. 3 is a sectional view showing the arrangement of refrigerant flow pipes according to an embodiment of this invention. In the figure, 1 is a heat exchanger, 4 is a refrigerant flow pipe, 4A is an upstream refrigerant flow pipe group, and 4B is a downstream refrigerant flow pipe group. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 多数の冷媒流通管内に冷媒を流通させ管外流体との熱交
換により上記冷媒を蒸発させるようにした熱交換器にお
いて、上記冷媒流通管を複数の群に区画すると共に、上
記冷媒の上流側に位置する冷媒流通管群の冷媒通路総断
面積よりも下流側に位置する冷媒流通管群の冷媒通路総
断面積が太き（なるように構成したことを特徴とする熱
交換器。In a heat exchanger that allows a refrigerant to flow through a large number of refrigerant flow pipes and evaporates the refrigerant through heat exchange with a fluid outside the pipes, the refrigerant flow pipes are divided into a plurality of groups, and a A heat exchanger characterized in that the total cross-sectional area of the refrigerant passages of the refrigerant flow pipe group located downstream is larger than the total cross-sectional area of the refrigerant passages of the refrigerant flow pipe group located downstream.