FR39680E - Perfectionnements aux systèmes de coupures des circuits électriques - Google Patents
Perfectionnements aux systèmes de coupures des circuits électriquesInfo
- Publication number
- FR39680E FR39680E FR39680DA FR39680E FR 39680 E FR39680 E FR 39680E FR 39680D A FR39680D A FR 39680DA FR 39680 E FR39680 E FR 39680E
- Authority
- FR
- France
- Prior art keywords
- electrical circuit
- circuit breaking
- breaking systems
- systems
- electrical
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6664—Operating arrangements with pivoting movable contact structure
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/668—Means for obtaining or monitoring the vacuum
- H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
-
- 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
- H01H9/52—Cooling of switch parts
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US279156A US1733904A (en) | 1928-05-19 | 1928-05-19 | Circuit-interrupting system |
US415030A US1952184A (en) | 1929-12-18 | 1929-12-18 | Vacuum switch |
Publications (1)
Publication Number | Publication Date |
---|---|
FR39680E true FR39680E (fr) | 1932-02-17 |
Family
ID=26959489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR39680D Expired FR39680E (fr) | 1928-05-19 | 1930-12-18 | Perfectionnements aux systèmes de coupures des circuits électriques |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE375909A (enrdf_load_html_response) |
FR (1) | FR39680E (enrdf_load_html_response) |
-
0
- BE BE375909D patent/BE375909A/xx unknown
-
1930
- 1930-12-18 FR FR39680D patent/FR39680E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE375909A (enrdf_load_html_response) |
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