JPS5965275U - 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〜第５図は従来例１の熱交換器に係り、第１図は
正面図、第２図は第１図のＡ−Ａ矢視断面図、第３図は
第２図のＢ部拡大図、第４図は第３図のＣ−Ｃ矢視断面
図、第５図は針状フィンの一部分を孝子斜視図、第６図
、第７図は従来例２の熱交換器に係り、第６図は針状フ
ィンをエキスバンドメタルに変えた場合の第３図に相当
する拡大図、第７図は第６図におけるＤ部を拡大して示
す斜視図、第８図、第９図は本考案による熱交換器の実
施例１に係り、第８図は第４図に相当する断面図、第９
図は斜状フィンの一部分を示す斜視図、第１０図は本考
案による熱交換器の実施例２に係り、エキスバンドメタ
ルの一部分を示す斜視図、第１１図、第１２図は夫々従
来の熱交換器に対する本考案の圧力損失の比及び空気側
熱伝達率の比を示すグラフである。 図面中、１は冷媒管、４は針状フィン、４ａ。 ４ａ’は切欠部、４Ｃは針、５はエキスバンドメタル、
５ｂはストランド部である。 １．０　　２．０　　３．０　４．０　５．０　６．Ｏ
Ｎ　ｆｉｇ　　Ｆｖ　（ｍ／、５ｅｃ）”寸 穆 ＮＬＬＦｖ　（ｍ７ｓｅｃ）Figures 1 to 5 relate to the heat exchanger of Conventional Example 1, where Figure 1 is a front view, Figure 2 is a sectional view taken along the line A-A in Figure 1, and Figure 3 is B in Figure 2. 4 is a sectional view taken along the line C-C in FIG. 3, FIG. 5 is a perspective view of a portion of the needle-like fin, and FIGS. Accordingly, FIG. 6 is an enlarged view corresponding to FIG. 3 when the needle-like fins are replaced with expanded metal, FIG. 7 is an enlarged perspective view of section D in FIG. 6, and FIGS. Figure 9 relates to Example 1 of the heat exchanger according to the present invention, Figure 8 is a sectional view corresponding to Figure 4,
10 is a perspective view showing a part of the diagonal fin, FIG. 10 is a perspective view showing a part of the expanded metal, and FIG. 10 is a perspective view showing a part of the expanded metal. 3 is a graph showing the ratio of pressure drop and air-side heat transfer coefficient of the present invention for a heat exchanger. In the drawing, 1 is a refrigerant pipe, 4 is a needle fin, and 4a. 4a' is the notch, 4C is the needle, 5 is the extended band metal,
5b is a strand portion. 1.0 2.0 3.0 4.0 5.0 6. O
N fig Fv (m/, 5ec)” NLLFv (m7sec)

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 伝熱管に伝熱面積増加部材を接合してなる熱交換器にお
いて、前記伝熱面積増加部材のうち流体の通過する各部
分の外周面を滑らかな曲面に形成［またことを特徴とす
る熱交換器。In a heat exchanger formed by joining a heat transfer area increasing member to a heat transfer tube, the outer circumferential surface of each portion of the heat transfer area increasing member through which fluid passes is formed into a smooth curved surface. vessel.