JPS63128292U - - Google Patents
Info
- Publication number
- JPS63128292U JPS63128292U JP2100187U JP2100187U JPS63128292U JP S63128292 U JPS63128292 U JP S63128292U JP 2100187 U JP2100187 U JP 2100187U JP 2100187 U JP2100187 U JP 2100187U JP S63128292 U JPS63128292 U JP S63128292U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- scroll
- impeller
- helical line
- blade 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例を示す多翼フアンの
概略断面図、第２図は同静圧―風量の特性図、第
３図は従来の多翼フアンの概略図である。
１……羽根車、１Ｂ……側板、１Ｃ……小羽根
、４……ケーシング、４Ｄ……背面板。
FIG. 1 is a schematic sectional view of a multi-blade fan showing an embodiment of the present invention, FIG. 2 is a static pressure-air volume characteristic diagram, and FIG. 3 is a schematic diagram of a conventional multi-blade fan. 1... impeller, 1B... side plate, 1C... small blade, 4... casing, 4D... back plate.
Claims (1)
クロールを有し、スクロール拡大角７゜以下のタ
イトスクロールのケーシング４を備え、このケー
シング４内の羽根車１を４０００ｒ．ｐ．ｍ以上
の高速回転で運転するものにおいて、前記羽根車
１の側板１Ｂにケーシング４の背面板４Ｄ側に突
出する適数枚の小羽根１Ｃを設けたことを特徴と
する多翼フアン。 The impeller 1 inside the casing 4 is equipped with a tight scroll casing 4 having a scroll based on a logarithmic helical line or an Archimedean helical line and a scroll expansion angle of 7° or less. p. A multi-blade fan that operates at a high rotation speed of m or more and is characterized in that a side plate 1B of the impeller 1 is provided with an appropriate number of small blades 1C that protrude toward the rear plate 4D of the casing 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2100187U JPS63128292U (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2100187U JPS63128292U (en) | 1987-02-16 | 1987-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63128292U true JPS63128292U (en) | 1988-08-22 |
Family
ID=30817040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2100187U Pending JPS63128292U (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014167707A1 (en) * | 2013-04-12 | 2014-10-16 | 三菱電機株式会社 | Centrifugal fan |
-
1987
- 1987-02-16 JP JP2100187U patent/JPS63128292U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014167707A1 (en) * | 2013-04-12 | 2014-10-16 | 三菱電機株式会社 | Centrifugal fan |
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