JPH0343553Y2 - - Google Patents
Info
- Publication number
- JPH0343553Y2 JPH0343553Y2 JP808688U JP808688U JPH0343553Y2 JP H0343553 Y2 JPH0343553 Y2 JP H0343553Y2 JP 808688 U JP808688 U JP 808688U JP 808688 U JP808688 U JP 808688U JP H0343553 Y2 JPH0343553 Y2 JP H0343553Y2
- Authority
- JP
- Japan
- Prior art keywords
- screw rod
- ventilation fan
- opening
- plate
- damper plate
- 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
- 238000009423 ventilation Methods 0.000 claims description 39
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 description 19
- 230000003028 elevating effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Air-Flow Control Members (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808688U JPH0343553Y2 (US06272168-20010807-M00014.png) | 1988-01-27 | 1988-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP808688U JPH0343553Y2 (US06272168-20010807-M00014.png) | 1988-01-27 | 1988-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01116345U JPH01116345U (US06272168-20010807-M00014.png) | 1989-08-04 |
| JPH0343553Y2 true JPH0343553Y2 (US06272168-20010807-M00014.png) | 1991-09-12 |
Family
ID=31213652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP808688U Expired JPH0343553Y2 (US06272168-20010807-M00014.png) | 1988-01-27 | 1988-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343553Y2 (US06272168-20010807-M00014.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6112943B2 (ja) * | 2013-04-04 | 2017-04-12 | 日本電産サンキョー株式会社 | ダンパ装置 |
-
1988
- 1988-01-27 JP JP808688U patent/JPH0343553Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01116345U (US06272168-20010807-M00014.png) | 1989-08-04 |
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