JPS59108000U - Axial fan with casing treatment - Google Patents

Axial fan with casing treatment

Info

Publication number
JPS59108000U
JPS59108000U JP218183U JP218183U JPS59108000U JP S59108000 U JPS59108000 U JP S59108000U JP 218183 U JP218183 U JP 218183U JP 218183 U JP218183 U JP 218183U JP S59108000 U JPS59108000 U JP S59108000U
Authority
JP
Japan
Prior art keywords
casing
rotor blade
casing treatment
fan
axial fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP218183U
Other languages
Japanese (ja)
Other versions
JPS6323600Y2 (en
Inventor
信行 山口
Original Assignee
三菱重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP218183U priority Critical patent/JPS59108000U/en
Publication of JPS59108000U publication Critical patent/JPS59108000U/en
Application granted granted Critical
Publication of JPS6323600Y2 publication Critical patent/JPS6323600Y2/ja
Granted legal-status Critical Current

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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 drawings]

第１図イは軸流ファンの要部を示した断面図、第１図咀
よ、第１図イのＸ−Ｘ線に沿う断面図、第２図は、ケー
シング・トリートメントを設けた軸流ファンとケーシン
グ・トリートメントを設けていない軸流ファンの特性比
較図、第３図は動翼の断面図、第４図は動翼面上の圧力
分布を示す特性図、第５図ないし第７図は、ケーシング
・トリートメントと動翼との各相対位置を示す図で、第
７図は本考案による相対位置を示す図である。 ０１・・・動翼車ボス、０２・・・ファンケーシング、
０３・・・ファン動翼、０４・・・ケーシング・トリー
トメント、０５・・・動翼先端、２１・・・前縁、２２
・・・後縁、２３・・・背面、２４・・・腹面、５１・
・・動翼断面の前縁、５２・・・ケーシング・トリート
メント開孔部上流端、５３・・・動翼背面の上流側突出
部。Figure 1A is a sectional view showing the main parts of an axial flow fan. Comparison diagram of characteristics of a fan and an axial fan without casing treatment, Figure 3 is a cross-sectional view of the rotor blade, Figure 4 is a characteristic diagram showing pressure distribution on the rotor blade surface, Figures 5 to 7 7 is a diagram showing the relative positions of the casing treatment and the moving blade, and FIG. 7 is a diagram showing the relative positions according to the present invention. 01... Moving blade wheel boss, 02... Fan casing,
03... Fan moving blade, 04... Casing treatment, 05... Moving blade tip, 21... Leading edge, 22
... Posterior edge, 23 ... Back, 24 ... Ventral surface, 51.
. . . Leading edge of the cross section of the rotor blade, 52 . . . Upstream end of the casing treatment opening, 53 . . . Upstream side protrusion of the back surface of the rotor blade.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 動翼の先端に対向するファンケーシングにケーシング・
トリートメントを設けた軸流ファンにおいて、前記ケー
シング・トリートメント開孔部上流端が前記動翼断面の
前縁点より上流側にあり、かつ、前記動翼背面の上流突
出部と交叉する如く、前記動翼を高貴違い角としたこと
を特徴とするケーシング・トリートメントを有する軸流
ファン。A casing is attached to the fan casing facing the tip of the rotor blade.
In the axial fan provided with the treatment, the upstream end of the casing treatment opening is upstream from the leading edge point of the cross section of the rotor blade, and intersects with the upstream protrusion on the back surface of the rotor blade. An axial flow fan with a casing treatment characterized by the blades having a noble angle.
JP218183U 1983-01-13 1983-01-13 Axial fan with casing treatment Granted JPS59108000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP218183U JPS59108000U (en) 1983-01-13 1983-01-13 Axial fan with casing treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP218183U JPS59108000U (en) 1983-01-13 1983-01-13 Axial fan with casing treatment

Publications (2)

Publication Number Publication Date
JPS59108000U true JPS59108000U (en) 1984-07-20
JPS6323600Y2 JPS6323600Y2 (en) 1988-06-28

Family

ID=30133860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP218183U Granted JPS59108000U (en) 1983-01-13 1983-01-13 Axial fan with casing treatment

Country Status (1)

Country Link
JP (1) JPS59108000U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510090A (en) * 1978-06-26 1980-01-24 United Technologies Corp Compression stage construction of axial flow type rotary machine
JPS5795500U (en) * 1980-12-02 1982-06-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5510090A (en) * 1978-06-26 1980-01-24 United Technologies Corp Compression stage construction of axial flow type rotary machine
JPS5795500U (en) * 1980-12-02 1982-06-11

Also Published As

Publication number Publication date
JPS6323600Y2 (en) 1988-06-28

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