JPS6282060U - - Google Patents
Info
- Publication number
- JPS6282060U JPS6282060U JP17417485U JP17417485U JPS6282060U JP S6282060 U JPS6282060 U JP S6282060U JP 17417485 U JP17417485 U JP 17417485U JP 17417485 U JP17417485 U JP 17417485U JP S6282060 U JPS6282060 U JP S6282060U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- shape
- fire
- duct
- memory alloy
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 2
Landscapes
- Air-Flow Control Members (AREA)
Description
図は本考案の実施例を示すもので、第１図は防
火ダンパーが開いたところを示す側断面図、第２
図は防火ダンパーが閉じたところを示す側断面図
である。
１はダクト、２はストツパー、３は防火ダンパ
ー、４はアーム、５は開いた形状の形状記憶合金
、６は記憶させた閉じた形状の形状記憶合金。
The figures show an embodiment of the present invention, in which Figure 1 is a side sectional view showing the fire damper opened;
The figure is a side sectional view showing the fire damper closed. 1 is a duct, 2 is a stopper, 3 is a fire damper, 4 is an arm, 5 is a shape memory alloy with an open shape, and 6 is a shape memory alloy with a memorized closed shape.
Claims (1)
れた防火ダンパー３を、中央に屈折部を有するア
ーム４によりダクト１と防火ダンパー３との間を
接続し、アーム４の中央屈折部に、開いた形状５
を記憶させた形状記憶合金を、常温で閉じた形状
６にしたものを取り付け、常には防火ダンパー３
を開放状態とし、火災発生時の温度上昇で、形状
記憶合金が記憶した形状にもどる特性により開い
た形状５に復帰し、取り付けた屈折したアーム４
をも開くので、防火ダンパー３がストツパー２で
止まるまで動き、ダンパー１内を閉じるようにな
したる、防火ダンパーを有するダクト。 A fire damper 3 is movably fixed at one end inside the duct 1, and an arm 4 having a bent part in the center connects the duct 1 and the fire damper 3. Shape 5
A shape memory alloy that has a memory of
When the temperature rises when a fire occurs, the shape memory alloy returns to its memorized shape and returns to the open shape 5, and the attached bent arm 4
The duct has a fire prevention damper which moves until the fire prevention damper 3 stops at the stopper 2 and closes the inside of the damper 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17417485U JPS6282060U (en) | 1985-11-14 | 1985-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17417485U JPS6282060U (en) | 1985-11-14 | 1985-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282060U true JPS6282060U (en) | 1987-05-26 |
Family
ID=31112319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17417485U Pending JPS6282060U (en) | 1985-11-14 | 1985-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282060U (en) |
-
1985
- 1985-11-14 JP JP17417485U patent/JPS6282060U/ja active Pending