JPH0330062U

JPH0330062U -

Info

Publication number: JPH0330062U
Application number: JP8581289U
Authority: JP
Priority date: 1989-07-21
Filing date: 1989-07-21
Publication date: 1991-03-25

Description

[Brief explanation of the drawing]

第１図は本考案の熱交換器の一部省略外観斜視
図、第２図はカラー部の一部省略正面図および側
面断面図、第３図はフインの取付状態を示す側面
断面図、第４図および第５図は他の実施例の側面
図および側面断面図、第６図および第７図は従来
例を示す一部省略正面図および側面断面図である
。図中、１は熱交換器、２はフイン、３は伝熱管
、４はＵ字管、５はカラー、６はリブである。 Fig. 1 is a partially omitted external perspective view of the heat exchanger of the present invention, Fig. 2 is a partially omitted front view and side sectional view of the collar portion, and Fig. 3 is a side sectional view showing the state in which the fins are attached. 4 and 5 are a side view and a side sectional view of another embodiment, and FIGS. 6 and 7 are a partially omitted front view and a side sectional view of a conventional example. In the figure, 1 is a heat exchanger, 2 is a fin, 3 is a heat transfer tube, 4 is a U-shaped tube, 5 is a collar, and 6 is a rib.

Claims

[Scope of utility model registration request]

In a cross-fin type heat exchanger in which a plurality of cylindrical collars are provided protruding from the plate surfaces of a plurality of fins arranged parallel to each other, and a heat transfer tube is installed in which the collars are in contact with heat transfer, the above-mentioned collars are used. A cross fin, characterized in that a rib is formed on the side surface of the heat exchanger tube and projects outward in parallel with the heat exchanger tube, and the fin is fixed to the heat exchanger tube by expanding the rib when the heat exchanger tube is expanded. shaped heat exchanger.