JPS6113176U

JPS6113176U - Fins for heat exchanger

Info

Publication number: JPS6113176U
Application number: JP9520884U
Authority: JP
Inventors: 正昭伊藤; 博志小暮; 賢次飯野; 和泉落合; 行男北山; 政弘宮城
Original assignee: 株式会社日立製作所
Priority date: 1984-06-27
Filing date: 1984-06-27
Publication date: 1986-01-25

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

[Brief explanation of drawings]

第１図は、従来クロスフィン形熱交換器の斜視図、第２
図は、第１図のＡ−Ａ線断面図、第３図は従来コルゲー
トフイン形熱交換器の斜視図、第４図は第３図のフィン
の断面図、第５図は、本考案フィンの断面図、第６図は
最小迎え角の説明図、第７図は最大迎え角の説明図、第
８図〜第１０図は本考案の別の実施例を示すフィン断面
図である。１・・・フィン、２・・・フィン切り起こし部、３・・
・フィン基部、４・・・伝熱管、５・・・空気流入方向
、６・・・境界層排除厚さ、７・・・上の切り起こし部
、８・・・下の切り起こし部、９・・・逆の迎え角をつ
けた切り起こし部、１０・・・迎え角を付けたフィン基
部、Ｓ・・・フィン間隙。Figure 1 is a perspective view of a conventional cross-fin heat exchanger;
The figures are a sectional view taken along line A-A in Fig. 1, Fig. 3 is a perspective view of a conventional corrugated fin type heat exchanger, Fig. 4 is a sectional view of the fin in Fig. 3, and Fig. 5 is a sectional view of the fin of the present invention. 6 is an explanatory diagram of the minimum angle of attack, FIG. 7 is an explanatory diagram of the maximum angle of attack, and FIGS. 8 to 10 are fin sectional diagrams showing other embodiments of the present invention. 1...Fin, 2...Fin cut and raised part, 3...
・Fin base, 4... Heat exchanger tube, 5... Air inflow direction, 6... Boundary layer exclusion thickness, 7... Upper cut and raised part, 8... Lower cut and raised part, 9 ...Cut and raised part with a reverse angle of attack, 10...Fin base with an angle of attack, S...Fin gap.

Claims

[Scope of utility model registration request]

1. A fin for a heat exchanger having a cut-and-raised portion, wherein the fin base is parallel to incoming air, and the cut-and-raised portion is provided with an angle of attack γ.