JPS63130697U - - Google Patents
Info
- Publication number
- JPS63130697U JPS63130697U JP2273287U JP2273287U JPS63130697U JP S63130697 U JPS63130697 U JP S63130697U JP 2273287 U JP2273287 U JP 2273287U JP 2273287 U JP2273287 U JP 2273287U JP S63130697 U JPS63130697 U JP S63130697U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- scroll
- blade fan
- casing
- small multi
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案による小形多翼フアンの構造を
示す外観図ａと部分断面図ｂ、第２図は従来技術
による小形多翼フアンの構造を示す外観図ａと部
分断面図ｂ、第３図は本考案に関する小形多翼フ
アンの風量と静圧との関係を示す特性図である。
符号の説明、１……吸気側側板、２……電動機
取付側側板、３……スクロールの外板、４……羽
根車、５……電動機、６……ノーズ部、７……外
端部、８……スクロール形外板の変曲点。
Fig. 1 is an external view a and a partial sectional view b showing the structure of a small multi-blade fan according to the present invention; Fig. 2 is an external view a and a partial sectional view b showing the structure of a small multi-blade fan according to the prior art; The figure is a characteristic diagram showing the relationship between air volume and static pressure of a small multi-blade fan related to the present invention. Explanation of symbols, 1...Intake side side plate, 2...Motor installation side plate, 3...Scroll outer plate, 4...Impeller, 5...Electric motor, 6...Nose part, 7...Outer end part , 8... Inflection point of the scroll-shaped outer plate.
Claims (1)
該羽根車の外周に、羽根車の回転方向に従つて其
の半径が増大する形状のスクロール形ケーシング
とを有する小形多翼フアンにおいて、上記スクロ
ール形ケーシングの吐出口近傍の形状を、上記の
スクロール形状の侭延長したことを特徴とする小
形多翼フアンのケーシング。 An impeller with a large number of root blades arranged around the outer periphery of a cylinder,
In a small multi-blade fan having a scroll-shaped casing on the outer periphery of the impeller, the radius of which increases in accordance with the rotational direction of the impeller, the shape of the scroll-shaped casing in the vicinity of the discharge port is shaped like the above-mentioned scroll. A casing for a small multi-blade fan characterized by an elongated shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2273287U JPS63130697U (en) | 1987-02-20 | 1987-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2273287U JPS63130697U (en) | 1987-02-20 | 1987-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63130697U true JPS63130697U (en) | 1988-08-26 |
Family
ID=30820392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2273287U Pending JPS63130697U (en) | 1987-02-20 | 1987-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63130697U (en) |
-
1987
- 1987-02-20 JP JP2273287U patent/JPS63130697U/ja active Pending
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