FR46299E - Improvements to electric arc extinguishing devices - Google Patents
Improvements to electric arc extinguishing devicesInfo
- Publication number
- FR46299E FR46299E FR46299DA FR46299E FR 46299 E FR46299 E FR 46299E FR 46299D A FR46299D A FR 46299DA FR 46299 E FR46299 E FR 46299E
- Authority
- FR
- France
- Prior art keywords
- electric arc
- arc extinguishing
- extinguishing devices
- devices
- electric
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/92—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR46299T | 1935-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR46299E true FR46299E (en) | 1936-04-08 |
Family
ID=8681936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR46299D Expired FR46299E (en) | 1935-06-17 | 1935-06-17 | Improvements to electric arc extinguishing devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR46299E (en) |
-
1935
- 1935-06-17 FR FR46299D patent/FR46299E/en not_active Expired
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