JPS63112299U - - Google Patents
Info
- Publication number
- JPS63112299U JPS63112299U JP241487U JP241487U JPS63112299U JP S63112299 U JPS63112299 U JP S63112299U JP 241487 U JP241487 U JP 241487U JP 241487 U JP241487 U JP 241487U JP S63112299 U JPS63112299 U JP S63112299U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- blower
- inlet
- end side
- centrifugal blower
- 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
- 239000012530 fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本願考案の風量調整装置付きの遠心送
風機の縦断面図、第２図は従来の装置の縦断面図
、第３図は従来の風量調整装置による流体の流れ
を模式に示す図面、第４図は本願考案を実施した
ときの流体の流れの模式に示す図面である。
１……遠心送風機、２ａ……ダンパブレード、
２……風量調整装置、３……出口ダクト、４……
入口ダクト、５……ダンパブレード回動軸心を含
む面、６ａ，６ｂ……固定板状部。
FIG. 1 is a vertical cross-sectional view of a centrifugal blower with an air volume adjustment device of the present invention, FIG. 2 is a vertical cross-sectional view of a conventional device, and FIG. 3 is a drawing schematically showing the flow of fluid by a conventional air volume adjustment device. FIG. 4 is a diagram schematically showing the flow of fluid when the present invention is implemented. 1... Centrifugal blower, 2a... Damper blade,
2...Air volume adjustment device, 3...Outlet duct, 4...
Inlet duct, 5... Surface including the damper blade rotation axis, 6a, 6b... Fixed plate-shaped portion.
Claims (1)
出口ダクト軸心がほぼ垂直である送風機において
、 複数のブレードよりなる入口ダンパを各ブレー
ドの回動軸心を一の面内に位置させ、この面が送
風機入口の角形ダクトと交叉する上端側と下端側
にダクト内面に接続する固定板状部を設け、前記
面がその下端側を送風機側に位置する如く水平に
対し傾斜させたことを特徴とする遠心送風機。 ２ 実用新案登録請求の範囲第１項記載の遠心送
風機において、前記入口側ダクト内の複数のブレ
ード軸心を含む面が、該遠心送風機の回転翼車の
先端の画く仮想円筒面につき、その横断面の円に
対する接線の近傍でかつ平行するように形成した
もの。[Claims for Utility Model Registration] 1. The axis of the inlet duct on the suction side is approximately horizontal;
In a blower in which the axis of the outlet duct is almost vertical, an inlet damper consisting of a plurality of blades is positioned with the rotation axis of each blade in one plane, and this plane intersects with the rectangular duct at the inlet of the blower on the upper end side. 1. A centrifugal blower, characterized in that a fixed plate-shaped part connected to the inner surface of the duct is provided on the lower end side, and the surface is inclined with respect to the horizontal so that the lower end side is located on the blower side. 2 Utility Model Registration Scope of Claims In the centrifugal blower according to claim 1, the surface including the plurality of blade axes in the inlet side duct is an imaginary cylindrical surface defined by the tip of the rotary impeller of the centrifugal blower, and the cross section thereof A surface formed near and parallel to the tangent to the circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP241487U JPS63112299U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP241487U JPS63112299U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112299U true JPS63112299U (en) | 1988-07-19 |
Family
ID=30781233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP241487U Pending JPS63112299U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112299U (en) |
-
1987
- 1987-01-13 JP JP241487U patent/JPS63112299U/ja active Pending