JPS6252373U - - Google Patents
Info
- Publication number
- JPS6252373U JPS6252373U JP14288085U JP14288085U JPS6252373U JP S6252373 U JPS6252373 U JP S6252373U JP 14288085 U JP14288085 U JP 14288085U JP 14288085 U JP14288085 U JP 14288085U JP S6252373 U JPS6252373 U JP S6252373U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- nozzle
- bearing
- rotating shaft
- downstream side
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Lift Valve (AREA)
- Check Valves (AREA)
- Air Supply (AREA)
Description
第１図および第２図は本考案の一実施例の断面
図、第３図および第４図は従来のダンパの断面図
である。
１：ダクト、２：ふさぎ板、３：回転軸、４：
軸受け、５：ノズル。
FIGS. 1 and 2 are cross-sectional views of an embodiment of the present invention, and FIGS. 3 and 4 are cross-sectional views of a conventional damper. 1: Duct, 2: Closure plate, 3: Rotating shaft, 4:
Bearing, 5: Nozzle.
Claims (1)
成するノズル開口端に軸受けに支持された回転軸
に上端が取り付けられたふさぎ板を配置すること
を特徴としたダクト用逆流防止ダンパ。 A backflow prevention damper for a duct, characterized in that a blocking plate whose upper end is attached to a rotating shaft supported by a bearing is disposed at the opening end of a nozzle that forms a nozzle tapering toward the downstream side in the duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14288085U JPS6252373U (en) | 1985-09-20 | 1985-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14288085U JPS6252373U (en) | 1985-09-20 | 1985-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6252373U true JPS6252373U (en) | 1987-04-01 |
Family
ID=31052034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14288085U Pending JPS6252373U (en) | 1985-09-20 | 1985-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6252373U (en) |
-
1985
- 1985-09-20 JP JP14288085U patent/JPS6252373U/ja active Pending