JPH0443748U - - Google Patents
Info
- Publication number
- JPH0443748U JPH0443748U JP14627689U JP14627689U JPH0443748U JP H0443748 U JPH0443748 U JP H0443748U JP 14627689 U JP14627689 U JP 14627689U JP 14627689 U JP14627689 U JP 14627689U JP H0443748 U JPH0443748 U JP H0443748U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- prevention device
- ventilation fan
- backflow prevention
- drive shaft
- 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
- 230000002265 prevention Effects 0.000 claims 4
- 238000009423 ventilation Methods 0.000 claims 4
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Wind Motors (AREA)
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14627689U JPH0537150Y2 (en]) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14627689U JPH0537150Y2 (en]) | 1989-12-18 | 1989-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0443748U true JPH0443748U (en]) | 1992-04-14 |
| JPH0537150Y2 JPH0537150Y2 (en]) | 1993-09-20 |
Family
ID=31692874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14627689U Expired - Lifetime JPH0537150Y2 (en]) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537150Y2 (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088054A (ja) * | 2011-10-19 | 2013-05-13 | Toyo Ceramics Kk | 自然空調装置 |
-
1989
- 1989-12-18 JP JP14627689U patent/JPH0537150Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013088054A (ja) * | 2011-10-19 | 2013-05-13 | Toyo Ceramics Kk | 自然空調装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537150Y2 (en]) | 1993-09-20 |
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