JPS62190336A - 風圧シヤツタ装置 - Google Patents
風圧シヤツタ装置Info
- Publication number
- JPS62190336A JPS62190336A JP2672687A JP2672687A JPS62190336A JP S62190336 A JPS62190336 A JP S62190336A JP 2672687 A JP2672687 A JP 2672687A JP 2672687 A JP2672687 A JP 2672687A JP S62190336 A JPS62190336 A JP S62190336A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- shutter plate
- plate
- shutter
- opening
- 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.)
- Granted
Links
- 238000005422 blasting Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2672687A JPS62190336A (ja) | 1987-02-06 | 1987-02-06 | 風圧シヤツタ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2672687A JPS62190336A (ja) | 1987-02-06 | 1987-02-06 | 風圧シヤツタ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62190336A true JPS62190336A (ja) | 1987-08-20 |
JPS6357707B2 JPS6357707B2 (enrdf_load_stackoverflow) | 1988-11-11 |
Family
ID=12201325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2672687A Granted JPS62190336A (ja) | 1987-02-06 | 1987-02-06 | 風圧シヤツタ装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62190336A (enrdf_load_stackoverflow) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579395A (en) * | 1949-08-04 | 1951-12-18 | Ilg Electric Ventilating Compa | Shutter mounting for ventilating duct outlets |
JPS4725483U (enrdf_load_stackoverflow) * | 1971-04-15 | 1972-11-22 | ||
JPS49147872U (enrdf_load_stackoverflow) * | 1973-04-16 | 1974-12-20 |
-
1987
- 1987-02-06 JP JP2672687A patent/JPS62190336A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579395A (en) * | 1949-08-04 | 1951-12-18 | Ilg Electric Ventilating Compa | Shutter mounting for ventilating duct outlets |
JPS4725483U (enrdf_load_stackoverflow) * | 1971-04-15 | 1972-11-22 | ||
JPS49147872U (enrdf_load_stackoverflow) * | 1973-04-16 | 1974-12-20 |
Also Published As
Publication number | Publication date |
---|---|
JPS6357707B2 (enrdf_load_stackoverflow) | 1988-11-11 |
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