JPS61192598U - - Google Patents
Info
- Publication number
- JPS61192598U JPS61192598U JP7830285U JP7830285U JPS61192598U JP S61192598 U JPS61192598 U JP S61192598U JP 7830285 U JP7830285 U JP 7830285U JP 7830285 U JP7830285 U JP 7830285U JP S61192598 U JPS61192598 U JP S61192598U
- Authority
- JP
- Japan
- Prior art keywords
- fan
- guide
- axial
- trailing edge
- downstream
- 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.)
- Pending
Links
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 3
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は、本考案の実施例にかかる軸流送風機
の概略的な断面図、第２図は、従来例と本考案例
における風量―静圧特性図、第３図は、同じく風
量―静圧効率特性図、第４図は、同じく風量―運
転音特性図、第５図は、本考案例における動翼チ
ツプ側後縁位置とフアンガイド下流側最終端部の
軸方向位置との相対位置Ｌに対する設計点での静
圧Ｐｓの変化を示す特性図、第６図は、従来例の
軸流送風機の概略的な断面図である。
１…フアン、２…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、２ｄ…最終端部、５…動翼、５ａ…中点位置
、５ｂ…チツプ側後縁位置。
FIG. 1 is a schematic cross-sectional view of an axial blower according to an embodiment of the present invention, FIG. 2 is an air volume vs. static pressure characteristic diagram for the conventional example and the example of the present invention, and FIG. 3 is a diagram of air volume vs. static pressure characteristics. Fig. 4 is a pressure efficiency characteristic diagram, and Fig. 4 is an air volume-operation noise characteristic diagram, and Fig. 5 is a relative position between the trailing edge position on the rotor blade tip side and the axial position of the final end on the downstream side of the fan guide in the example of the present invention. FIG. 6, a characteristic diagram showing changes in static pressure Ps at a design point with respect to L, is a schematic cross-sectional view of a conventional axial flow blower. 1... Fan, 2... Fan guide, 2a... Minimum diameter part, 2b... Suction side guide part, 2c... Discharge side guide part, 2d... Final end part, 5... Moving blade, 5a... Midpoint position, 5b... Chip side Trailing edge position.
Claims (1)
フアン１の外周部に流入領域と流出領域とを仕切
るべく設けられたフアンガイド２とを有する軸流
送風機において、該フアンガイド２を、上流側か
ら流れ方向に最小径部２ａまで順次縮小径となる
吸込側ガイド部２ｂと、該最小径部２ａから下流
側へ順次拡大径となる吐出側ガイド部２ｃとで構
成し且つ前記最小径部２ａを動翼５の軸方向高さ
寸法Ｈの中点位置５ａとチツプ側後縁位置５ｂと
の間に位置せしめるとともに、前記フアンガイド
２の下流側最終端部２ｄの軸方向位置を、前記動
翼５のチツプ側後縁位置５ｂに対して、上流側に
最大０．３Ｈ、下流側に最大０．２Ｈの範囲内に
位置せしめたことを特徴とする軸流送風機。 In an axial flow blower including a fan 1 having a plurality of rotor blades 5, 5... and a fan guide 2 provided on the outer circumference of the fan 1 to partition an inflow region and an outflow region, the fan guide 2 , consists of a suction side guide part 2b whose diameter gradually decreases from the upstream side to the minimum diameter part 2a in the flow direction, and a discharge side guide part 2c whose diameter gradually increases from the minimum diameter part 2a to the downstream side; The small diameter portion 2a is located between the midpoint position 5a of the axial height dimension H of the rotor blade 5 and the tip side trailing edge position 5b, and the axial position of the downstream final end portion 2d of the fan guide 2 is An axial flow blower characterized in that the tip-side trailing edge position 5b of the rotor blade 5 is located within a range of a maximum of 0.3H on the upstream side and a maximum of 0.2H on the downstream side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7830285U JPS61192598U (en) | 1985-05-24 | 1985-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7830285U JPS61192598U (en) | 1985-05-24 | 1985-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61192598U true JPS61192598U (en) | 1986-11-29 |
Family
ID=30622159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7830285U Pending JPS61192598U (en) | 1985-05-24 | 1985-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61192598U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50107511A (en) * | 1974-01-28 | 1975-08-25 | ||
| JPS5377321A (en) * | 1976-12-20 | 1978-07-08 | Toyota Central Res & Dev Lab Inc | Axial-flow fan with supplementary blade |
| JPS572500A (en) * | 1980-06-09 | 1982-01-07 | Hitachi Ltd | Compressor |
-
1985
- 1985-05-24 JP JP7830285U patent/JPS61192598U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50107511A (en) * | 1974-01-28 | 1975-08-25 | ||
| JPS5377321A (en) * | 1976-12-20 | 1978-07-08 | Toyota Central Res & Dev Lab Inc | Axial-flow fan with supplementary blade |
| JPS572500A (en) * | 1980-06-09 | 1982-01-07 | Hitachi Ltd | Compressor |
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