JPH048032U - - Google Patents
Info
- Publication number
- JPH048032U JPH048032U JP4936890U JP4936890U JPH048032U JP H048032 U JPH048032 U JP H048032U JP 4936890 U JP4936890 U JP 4936890U JP 4936890 U JP4936890 U JP 4936890U JP H048032 U JPH048032 U JP H048032U
- Authority
- JP
- Japan
- Prior art keywords
- movable part
- casing
- exhaust
- opens
- predetermined temperature
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Ventilation (AREA)
Description
第１図は本考案の実施例に係る排気フードの概
略構成を示す一部断面を含む側面構成図、第２図
は同排気フードの可動フードが開いた状態を示す
一部断面を含む側面構成図である。
符号の説明、１……排気フード、２……フード
ケース、３……固定フード、４……可動フード、
５……ＳＭＡコイル、７……軸、１１……アーム
。
FIG. 1 is a side configuration diagram including a partial cross section showing a schematic configuration of an exhaust hood according to an embodiment of the present invention, and FIG. 2 is a side configuration diagram including a partial cross section showing the movable hood of the same exhaust hood in an open state. It is a diagram. Explanation of symbols, 1... Exhaust hood, 2... Hood case, 3... Fixed hood, 4... Movable hood,
5...SMA coil, 7...shaft, 11...arm.
Claims (1)
排気フードにおいて、 上記ケーシングを、固定部と該固定部に対し開
閉する可動部とに分割し、上記ケーシング内を所
定温度以上の熱風が通るとき上記可動部を開くよ
うに、所定温度でバネ状に復帰し常温で軟化する
形状記憶合金を介して上記可動部を駆動させるよ
うになしたことを特徴とする排気フード。[Claim for Utility Model Registration] In an exhaust hood that passes exhaust gas through a cylindrical casing for exhaust, the casing is divided into a fixed part and a movable part that opens and closes with respect to the fixed part, and the inside of the casing is heated to a temperature above a predetermined temperature. The exhaust hood is characterized in that the movable part is driven through a shape memory alloy that returns to a spring shape at a predetermined temperature and softens at room temperature so that the movable part opens when hot air passes through it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4936890U JPH048032U (en) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4936890U JPH048032U (en) | 1990-05-11 | 1990-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048032U true JPH048032U (en) | 1992-01-24 |
Family
ID=31566996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4936890U Pending JPH048032U (en) | 1990-05-11 | 1990-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048032U (en) |
-
1990
- 1990-05-11 JP JP4936890U patent/JPH048032U/ja active Pending
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