JPS63152618U - - Google Patents
Info
- Publication number
- JPS63152618U JPS63152618U JP4644487U JP4644487U JPS63152618U JP S63152618 U JPS63152618 U JP S63152618U JP 4644487 U JP4644487 U JP 4644487U JP 4644487 U JP4644487 U JP 4644487U JP S63152618 U JPS63152618 U JP S63152618U
- Authority
- JP
- Japan
- Prior art keywords
- light
- filter
- dust
- optical path
- clogging detection
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4644487U JPS63152618U (cs) | 1987-03-27 | 1987-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4644487U JPS63152618U (cs) | 1987-03-27 | 1987-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63152618U true JPS63152618U (cs) | 1988-10-06 |
Family
ID=30866112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4644487U Pending JPS63152618U (cs) | 1987-03-27 | 1987-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63152618U (cs) |
-
1987
- 1987-03-27 JP JP4644487U patent/JPS63152618U/ja active Pending