JPH0642682Y2 - ダンパ - Google Patents
ダンパInfo
- Publication number
- JPH0642682Y2 JPH0642682Y2 JP1988027655U JP2765588U JPH0642682Y2 JP H0642682 Y2 JPH0642682 Y2 JP H0642682Y2 JP 1988027655 U JP1988027655 U JP 1988027655U JP 2765588 U JP2765588 U JP 2765588U JP H0642682 Y2 JPH0642682 Y2 JP H0642682Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- duct
- damper
- blades
- spring
- 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.)
- Expired - Lifetime
Links
- 230000035939 shock Effects 0.000 claims description 21
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027655U JPH0642682Y2 (ja) | 1988-03-02 | 1988-03-02 | ダンパ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988027655U JPH0642682Y2 (ja) | 1988-03-02 | 1988-03-02 | ダンパ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01130750U JPH01130750U (2) | 1989-09-05 |
| JPH0642682Y2 true JPH0642682Y2 (ja) | 1994-11-09 |
Family
ID=31250332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988027655U Expired - Lifetime JPH0642682Y2 (ja) | 1988-03-02 | 1988-03-02 | ダンパ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642682Y2 (2) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6318864Y2 (2) * | 1977-07-12 | 1988-05-26 | ||
| JPS6043341U (ja) * | 1983-08-31 | 1985-03-27 | 株式会社日本総合メインテナンス | 閉鎖音防止型防煙・防火ダンパ− |
-
1988
- 1988-03-02 JP JP1988027655U patent/JPH0642682Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01130750U (2) | 1989-09-05 |
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