JPS62180700U - - Google Patents
Info
- Publication number
- JPS62180700U JPS62180700U JP6819086U JP6819086U JPS62180700U JP S62180700 U JPS62180700 U JP S62180700U JP 6819086 U JP6819086 U JP 6819086U JP 6819086 U JP6819086 U JP 6819086U JP S62180700 U JPS62180700 U JP S62180700U
- Authority
- JP
- Japan
- Prior art keywords
- rotor blade
- tip
- flow path
- fan
- circulation flow
- 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
- 230000002265 prevention Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第1a図は、この考案の実施例を示す要部の縦
断側面図、第1b図は、前図のY―Y切断面図、
第1c図は、同じく失速除去ベーンと動翼との相
関々係を示す要部の斜視図、第2図は、防止機構
のないフアンと従来機構をもつフアンの性能曲線
図、第3a図は、従来失速防止機構を備えた軸流
フアンの要部の縦断側面図、第3b図は、前図の
X―X切断面図、第4図は、失速防止機構を装備
しない軸流フアンおよびこの考案に係る軸流フア
ンの性能曲線図である。
1……動翼、3……ケーシング、4……後方キ
ヤビテイ、5……旋回防止ベーン、6……前方キ
ヤビテイ、7……円環、8……循環流路、11…
…一般フアン性能曲線、12,13,14……従
来機構をもつフアンの性能曲線(低速、中速、高
速)、31……この考案に係るフアンの性能曲線
。
Fig. 1a is a vertical sectional side view of the main part showing an embodiment of this invention, Fig. 1b is a YY sectional view of the previous figure,
Figure 1c is a perspective view of the main parts showing the relationship between the stall removal vanes and the rotor blades, Figure 2 is a performance curve diagram of a fan without a prevention mechanism and a fan with a conventional mechanism, and Figure 3a is a diagram of the performance curves of a fan without a prevention mechanism and a fan with a conventional mechanism. , FIG. 3b is a cross-sectional view of the main parts of an axial flow fan equipped with a conventional stall prevention mechanism, FIG. FIG. 3 is a performance curve diagram of the axial fan according to the invention. DESCRIPTION OF SYMBOLS 1... Moving blade, 3... Casing, 4... Rear cavity, 5... Rotation prevention vane, 6... Front cavity, 7... Annular ring, 8... Circulation channel, 11...
... Performance curve of a general fan, 12, 13, 14... Performance curve of a fan with a conventional mechanism (low speed, medium speed, high speed), 31... Performance curve of a fan according to this invention.
Claims (1)
の該動翼の先端に対向する部分に動翼の前縁先端
付近から上流側に向けて凹所を成形させて循環流
路を構成させ、該循環流路の内部の最初の動翼先
端部分に最も近い個所に多数の旋回除去ベーンを
周方向に並列させたことを特徴とする軸流フアン
の失速防止機構。 Forming a recess from near the leading edge tip of the rotor blade toward the upstream side in a portion of the casing covered around the outer periphery of the rotor blade of the rotor blade facing the tip of the rotor blade to form a circulation flow path, A stall prevention mechanism for an axial flow fan, characterized in that a large number of swirl removal vanes are arranged in parallel in the circumferential direction at a location closest to the first rotor blade tip inside the circulation flow path.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986068190U JPH045760Y2 (en) | 1986-05-08 | 1986-05-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986068190U JPH045760Y2 (en) | 1986-05-08 | 1986-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62180700U true JPS62180700U (en) | 1987-11-16 |
JPH045760Y2 JPH045760Y2 (en) | 1992-02-18 |
Family
ID=30907778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986068190U Expired JPH045760Y2 (en) | 1986-05-08 | 1986-05-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH045760Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005264803A (en) * | 2004-03-18 | 2005-09-29 | Matsushita Electric Ind Co Ltd | Blower, heat exchange unit and refrigerator using blower |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925100A (en) * | 1982-07-29 | 1984-02-08 | ドネツキイ・ゴスダルストヴエンニイ・プロエクトノ−コンストルク・トルスキイ・イ・エクスペリメンタルニイ・インスチチユ−ト・コムプレツクスノイ・メハニザツイイ・シヤクト | Axial-flow blower |
JPS6149000U (en) * | 1984-08-31 | 1986-04-02 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201580A (en) * | 1981-05-30 | 1982-12-10 | Matsushita Electric Works Ltd | Purifying tank |
-
1986
- 1986-05-08 JP JP1986068190U patent/JPH045760Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5925100A (en) * | 1982-07-29 | 1984-02-08 | ドネツキイ・ゴスダルストヴエンニイ・プロエクトノ−コンストルク・トルスキイ・イ・エクスペリメンタルニイ・インスチチユ−ト・コムプレツクスノイ・メハニザツイイ・シヤクト | Axial-flow blower |
JPS6149000U (en) * | 1984-08-31 | 1986-04-02 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005264803A (en) * | 2004-03-18 | 2005-09-29 | Matsushita Electric Ind Co Ltd | Blower, heat exchange unit and refrigerator using blower |
Also Published As
Publication number | Publication date |
---|---|
JPH045760Y2 (en) | 1992-02-18 |
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