JPH02115675U

JPH02115675U -

Info

Publication number: JPH02115675U
Application number: JP2215689U
Authority: JP
Priority date: 1989-02-28
Filing date: 1989-02-28
Publication date: 1990-09-17

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示すクロスフイン
チユーブ形熱交換器の要部正面図、第２図は同じ
く第１図のＡ−Ａ矢指図、第３図は同じくフイン
のカラー形成工程を示す要部断面図、第４図は従
来型のクロスフインチユーブ形熱交換器の要部正
面図、第５図は同じく第４図のＢ−Ｂ矢指図、第
６図は伝熱管の後流の説明図、第７図は同じくフ
インの熱伝導の説明図である。同図中、１はフイン、２はカラー、３は伝熱管
、４は舌片、５はガイド片である。 Fig. 1 is a front view of the main parts of a cross-finch tube heat exchanger showing an embodiment of the present invention, Fig. 2 is a direction taken along arrow A-A in Fig. 1, and Fig. 3 is a fin collar forming process. Fig. 4 is a front view of the main parts of a conventional cross-finch tube heat exchanger, Fig. 5 is a B-B arrow direction in Fig. 4, and Fig. 6 is a view of the rear of the heat exchanger tube. FIG. 7, which is an explanatory diagram of the flow, is also an explanatory diagram of heat conduction of the fins. In the figure, 1 is a fin, 2 is a collar, 3 is a heat exchanger tube, 4 is a tongue piece, and 5 is a guide piece.

Claims

[Scope of utility model registration request]

In a cross-finch tube heat exchanger, a plurality of cylindrical collars are provided protruding from the plate surfaces of a plurality of fins arranged in parallel with each other, and heat transfer tubes that are in thermally contact with the collars are installed. A cross-finch tube heat exchanger characterized in that a cut-and-raised tongue piece is provided on one side of the collar and is folded back toward the fins to form a guide piece that is integrated with the collar. .