JPH0417274U

JPH0417274U -

Info

Publication number: JPH0417274U
Application number: JP5759090U
Authority: JP
Priority date: 1990-05-30
Filing date: 1990-05-30
Publication date: 1992-02-13

Description

[Brief explanation of the drawing]

第１図は本願考案の第１実施例にかかる熱交換
器の要部斜視図、第２図は第２実施例にかかる熱
交換器の要部斜視図、第３図は第３実施例にかか
る熱交換器の要部斜視図、第４図は第４実施例に
かかる熱交換器の要部斜視図、第５図は第５実施
例にかかる熱交換器の要部斜視図、第６図は第６
実施例にかかる熱交換器の要部斜視図である。１……伝熱管、２……フイン、２ａ……フイン
表面、２ｂ……山部、２ｃ……谷部、３……大通
路面積部、４……小通路面積部、５……水滴。 FIG. 1 is a perspective view of a main part of a heat exchanger according to a first embodiment of the invention, FIG. 2 is a perspective view of a main part of a heat exchanger according to a second embodiment, and FIG. 3 is a perspective view of a main part of a heat exchanger according to a second embodiment. FIG. 4 is a perspective view of the main parts of the heat exchanger according to the fourth embodiment, FIG. 5 is a perspective view of the main parts of the heat exchanger according to the fifth embodiment, and FIG. The figure is number 6
FIG. 2 is a perspective view of a main part of a heat exchanger according to an example. 1...Heat transfer tube, 2...Fin, 2a...Fin surface, 2b...crest, 2c...trough, 3...large passage area, 4...small passage area, 5...water droplet.

Claims

[Claims for Utility Model Registration] 1. A plurality of thin plate-like fins 2, 2, ... are arranged between a plurality of heat transfer tubes 1, 1, ... arranged in a multi-tiered manner in the vertical direction. A heat exchanger installed in a direction substantially orthogonal to the heat tubes 1, 1, . . . and at predetermined intervals in the axial direction thereof, each of the fins 2
, 2, ... are subjected to hydrophobic treatment on the surfaces 2a, 2a, and each of the fins 2, 2, ... is bent in a wave shape in the vertical direction, and each of these fins 2, 2, ... is connected to the adjacent fin 2. , 2 one fin 2
The peak portion 2b of the other fin 2 and the valley portion 2c of the other fin 2 are arranged in close opposition to each other, and large passage area portions 3 and small passage area portions 4 are formed alternately in the vertical direction between them. A heat exchanger characterized by: 2. The heat exchanger according to claim 1, wherein each of the fins 2, 2, . . . is bent into a substantially sawtooth shape. 3 In claims 1 and 2, adjacent fins 2,
2. A heat exchanger characterized in that the peaks 2b and troughs 2c of the heat exchanger are arranged vertically offset within a range of less than 1/2 of the wave pitch. 4. In claims 1 to 3, the mountain portion 2b of each fin
A heat exchanger characterized in that the valley portions 2c and trough portions 2c are formed so as to extend obliquely downward from the apex to both sides of the apex at a portion corresponding to the arrangement axis L of each heat transfer tube 1, 1, . 5. In claims 1 to 3, each fin 2, 2,...
The peaks 2b and troughs 2c of the fins 2 are located upstream of the airflow from the vicinity of the arrangement axis L of each of the heat transfer tubes 1, 1, . A heat exchanger characterized in that it is formed so as to slope downward.