JPH0754911Y2 - 回路遮断器等の防塵排気構造 - Google Patents
回路遮断器等の防塵排気構造Info
- Publication number
- JPH0754911Y2 JPH0754911Y2 JP12832790U JP12832790U JPH0754911Y2 JP H0754911 Y2 JPH0754911 Y2 JP H0754911Y2 JP 12832790 U JP12832790 U JP 12832790U JP 12832790 U JP12832790 U JP 12832790U JP H0754911 Y2 JPH0754911 Y2 JP H0754911Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- plate
- valve
- small hole
- dust
- 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 - Fee Related
Links
- 238000007599 discharging Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
- H01H9/342—Venting arrangements for arc chutes
- H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
Landscapes
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12832790U JPH0754911Y2 (ja) | 1990-11-29 | 1990-11-29 | 回路遮断器等の防塵排気構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12832790U JPH0754911Y2 (ja) | 1990-11-29 | 1990-11-29 | 回路遮断器等の防塵排気構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485551U JPH0485551U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-24 |
| JPH0754911Y2 true JPH0754911Y2 (ja) | 1995-12-18 |
Family
ID=31875793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12832790U Expired - Fee Related JPH0754911Y2 (ja) | 1990-11-29 | 1990-11-29 | 回路遮断器等の防塵排気構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754911Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1990
- 1990-11-29 JP JP12832790U patent/JPH0754911Y2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0485551U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |