JPH0343552Y2 - - Google Patents
Info
- Publication number
- JPH0343552Y2 JPH0343552Y2 JP808588U JP808588U JPH0343552Y2 JP H0343552 Y2 JPH0343552 Y2 JP H0343552Y2 JP 808588 U JP808588 U JP 808588U JP 808588 U JP808588 U JP 808588U JP H0343552 Y2 JPH0343552 Y2 JP H0343552Y2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- opening
- cover
- detection switch
- ventilation fan
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 62
- 238000009423 ventilation Methods 0.000 claims description 35
- 238000013459 approach Methods 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808588U JPH0343552Y2 (ar) | 1988-01-27 | 1988-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808588U JPH0343552Y2 (ar) | 1988-01-27 | 1988-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01116344U JPH01116344U (ar) | 1989-08-04 |
| JPH0343552Y2 true JPH0343552Y2 (ar) | 1991-09-12 |
Family
ID=31213650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP808588U Expired JPH0343552Y2 (ar) | 1988-01-27 | 1988-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343552Y2 (ar) |
-
1988
- 1988-01-27 JP JP808588U patent/JPH0343552Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01116344U (ar) | 1989-08-04 |
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