JPS61192599U - - Google Patents
Info
- Publication number
- JPS61192599U JPS61192599U JP7830385U JP7830385U JPS61192599U JP S61192599 U JPS61192599 U JP S61192599U JP 7830385 U JP7830385 U JP 7830385U JP 7830385 U JP7830385 U JP 7830385U JP S61192599 U JPS61192599 U JP S61192599U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- discharge port
- guide
- minimum diameter
- rotation axis
- 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
Links
- 230000007423 decrease Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は、本考案の軸流送風機の実施例を示す
断面図、第２図は、本考案実施例におけるＬ―Ｐ
ｓ特性図、第３図イ，ロは、第２図のＬ―Ｐｓ特
性図において寸法限定範囲外での空気流の状態を
示す説明図、第４図は、本考案実施例におけるＤ
′―Ｐｓ特性図、第５図は、第４図のＤ′―Ｐｓ
特性図において寸法限定範囲外での空気流の状態
を示す説明図、第６図は、本考案実施例における
Ｈ―Ｐｓ特性図、第７図は、第６図のＨ―Ｐｓ特
性図において寸法限定範囲外での空気流の状態を
示す説明図、第８図は、従来例の軸流送風機の断
面図である。
１…フアン、２…前面フアンガイド、２ａ…最
小径部、２ｂ…吸込側ガイド部、２ｃ…吐出側ガ
イド部、３…後面フアンガイド、５…動翼、５ａ
…中点位置、５ｂ…チツプ側後縁位置、６…フア
ン回転軸、７…吐出口、８…デイフユーザ。
Fig. 1 is a sectional view showing an embodiment of the axial flow blower of the present invention, and Fig. 2 is a sectional view showing the L-P in the embodiment of the present invention.
s characteristic diagram, Fig. 3 A and B are explanatory diagrams showing the state of air flow outside the dimensional limited range in the L-Ps characteristic diagram of Fig.
'-Ps characteristic diagram, Figure 5 is the D'-Ps characteristic diagram in Figure 4.
An explanatory diagram showing the state of air flow outside the dimension limited range in the characteristic diagram, FIG. 6 is the H-Ps characteristic diagram in the embodiment of the present invention, and FIG. 7 is the dimension FIG. 8, an explanatory diagram showing the state of airflow outside the limited range, is a cross-sectional view of a conventional axial blower. DESCRIPTION OF SYMBOLS 1... Fan, 2... Front fan guide, 2a... Minimum diameter part, 2b... Suction side guide part, 2c... Discharge side guide part, 3... Rear fan guide, 5... Moving blade, 5a
...Midpoint position, 5b...Tip side trailing edge position, 6...Fan rotation axis, 7...Discharge port, 8...Diffusion user.
Claims (1)
フアン１の外周部にあつて流入領域と流出領域と
を仕切る前面フアンガイド２と、前記フアン１の
出口後方近傍にあつて回転軸６に垂直な平板状の
後面フアンガイド３とを備え、前記前面フアンガ
イド２の最小径部２ａが前記動翼５の軸方向高さ
寸法の中点位置５ａとチツプ側後縁位置５ｂとの
間にあるようにし且つ該最小径部２ａより上流側
の吸込側ガイド部２ｂが流れ方向に順次縮小径に
なり、前記最小径部２ａより下流側の吐出側ガイ
ド部２ｃが流れ方向に順次拡大径になるようにす
るとともに、該吐出側ガイド部２ｃを、流れ方向
後方に設けられ、フアン回転軸６と略平行な方向
に開口する吐出口７へ向つて外向きに延設する一
方、前記後面フアンガイド３の外周縁を前記前面
フアンガイド２に略平行に吐出口７まで延長させ
て前後面フアンガイド２，３間に吐出口７に至る
デイフユーザ８を形成するようにした軸流送風機
であつて、前記フアン１の直径をＤ、前記前面フ
アンガイド２を最小径部２ａと前記後面フアンガ
イド３との軸方向距離をＬ、前記吐出口７の外径
をＤ′、吐出口７の回転軸６に垂直な方向の開口
幅をＨとするとき、 ０．１５Ｄ≦Ｌ≦０．３Ｄ １．２Ｄ≦Ｄ′ ０．２Ｄ≦Ｈ となるように設定したことを特徴とする軸流送風
機。[Claims for Utility Model Registration] A fan 1 having a plurality of rotor blades 5, 5, . A flat rear fan guide 3 is provided near the rear of the outlet and perpendicular to the rotation axis 6, and the minimum diameter portion 2a of the front fan guide 2 is located at the midpoint position 5a of the axial height of the rotor blade 5. The suction side guide portion 2b located between the tip side trailing edge position 5b and the upstream side of the minimum diameter portion 2a gradually decreases in diameter in the flow direction, and the discharge side guide portion downstream of the minimum diameter portion 2a. The diameter of the portion 2c gradually increases in the flow direction, and the discharge side guide portion 2c is outwardly directed toward the discharge port 7 that is provided at the rear in the flow direction and opens in a direction substantially parallel to the fan rotation axis 6. At the same time, the outer peripheral edge of the rear fan guide 3 is extended approximately parallel to the front fan guide 2 to the discharge port 7, thereby forming a differential user 8 extending to the discharge port 7 between the front and rear fan guides 2 and 3. In this axial flow blower, the diameter of the fan 1 is D, the axial distance between the minimum diameter portion 2a of the front fan guide 2 and the rear fan guide 3 is L, and the outer diameter of the discharge port 7 is When D' is the opening width of the discharge port 7 in the direction perpendicular to the rotation axis 6, H is set so that 0.15D≦L≦0.3D 1.2D≦D' 0.2D≦H An axial flow blower characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985078303U JPH053760Y2 (en) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985078303U JPH053760Y2 (en) | 1985-05-24 | 1985-05-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61192599U true JPS61192599U (en) | 1986-11-29 |
| JPH053760Y2 JPH053760Y2 (en) | 1993-01-28 |
Family
ID=30622161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985078303U Expired - Lifetime JPH053760Y2 (en) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053760Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914204U (en) * | 1972-05-10 | 1974-02-06 | ||
| JPS5092510A (en) * | 1973-12-21 | 1975-07-24 | ||
| JPS5877200A (en) * | 1981-10-30 | 1983-05-10 | Mitsubishi Electric Corp | Blower |
-
1985
- 1985-05-24 JP JP1985078303U patent/JPH053760Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4914204U (en) * | 1972-05-10 | 1974-02-06 | ||
| JPS5092510A (en) * | 1973-12-21 | 1975-07-24 | ||
| JPS5877200A (en) * | 1981-10-30 | 1983-05-10 | Mitsubishi Electric Corp | Blower |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053760Y2 (en) | 1993-01-28 |
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