JPS6282059U - - Google Patents
Info
- Publication number
- JPS6282059U JPS6282059U JP17417385U JP17417385U JPS6282059U JP S6282059 U JPS6282059 U JP S6282059U JP 17417385 U JP17417385 U JP 17417385U JP 17417385 U JP17417385 U JP 17417385U JP S6282059 U JPS6282059 U JP S6282059U
- Authority
- JP
- Japan
- Prior art keywords
- fire damper
- shape
- weather cover
- arm
- open
- 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
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- 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こところを示す側断面図
である。
１はウエザーカバー、２は防火ダンパー、３は
アーム、４は閉じた形状の形状記憶合金、５は下
部開口部、６は換気孔、７は記憶させた開いた形
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 weather cover, 2 is a fire damper, 3 is an arm, 4 is a shape memory alloy with a closed shape, 5 is a lower opening, 6 is a ventilation hole, and 7 is a shape memory alloy with a memorized open shape.
Claims (1)
に固定された防火ダンパー２を、中央に屈折部を
有するアーム３によりウエザーカバー１と防火ダ
ンパー２との間を接続し、アーム３の中央屈折部
に、開いた形状７を記憶させた形状記憶合金を、
常温で閉じた形状４にしたものを取り付け、常に
は防火ダンパー２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７に復帰し、取り付けた
屈折したアーム３を開くので、防火ダンパー２が
ウエザーカバー１の下部開口部５を閉じるように
なしたる、防火ダンパーを有するウエザーカバー
。 A fire damper 2 is movably fixed at one end inside the weather cover 1, and an arm 3 having a bent part in the center connects the weather cover 1 and the fire damper 2, and the fire damper 2 is attached to the central bent part of the arm 3. , a shape memory alloy that memorizes the open shape 7,
Attach the closed shape 4 at room temperature, keep the fire damper 2 open at all times, and when the temperature rises when a fire occurs, the shape memory alloy returns to its memorized shape and returns to the open shape 7. The weather cover has a fire damper, in which the bent arm 3 is opened so that the fire damper 2 closes the lower opening 5 of the weather cover 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17417385U JPS6282059U (en) | 1985-11-14 | 1985-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17417385U JPS6282059U (en) | 1985-11-14 | 1985-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6282059U true JPS6282059U (en) | 1987-05-26 |
Family
ID=31112317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17417385U Pending JPS6282059U (en) | 1985-11-14 | 1985-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282059U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041976A (en) * | 1983-08-17 | 1985-03-05 | 株式会社東芝 | Anti-fire damper apparatus |
-
1985
- 1985-11-14 JP JP17417385U patent/JPS6282059U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041976A (en) * | 1983-08-17 | 1985-03-05 | 株式会社東芝 | Anti-fire damper apparatus |