FR547606A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR547606A FR547606A FR547606DA FR547606A FR 547606 A FR547606 A FR 547606A FR 547606D A FR547606D A FR 547606DA FR 547606 A FR547606 A FR 547606A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/98—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being initiated by an auxiliary arc or a section of the arc, without any moving parts for producing or increasing the flow
-
- 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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/57—Recuperation of liquid or gas
-
- 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
- H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
- H01H33/75—Liquid-break switches, e.g. oil-break
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US443440A US1537353A (en) | 1921-02-08 | 1921-02-08 | Electric switch |
Publications (1)
Publication Number | Publication Date |
---|---|
FR547606A true FR547606A (en) | 1922-12-20 |
Family
ID=23760810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR547606D Expired FR547606A (en) | 1921-02-08 | 1922-02-07 | Improvements to electrical switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US1537353A (en) |
FR (1) | FR547606A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763038C (en) * | 1933-02-24 | 1953-07-27 | Neumann Hochspannungs App G M | Electric switch with vaporizable liquid |
DE757307C (en) * | 1939-03-18 | 1954-04-12 | Neumann E | Circuit breaker with extinguishing fluid |
DE1155508B (en) * | 1958-09-19 | 1963-10-10 | Continental Elektro Ind Ag | Switching vessel for low-oil circuit breakers with an expansion space above the filling |
-
1921
- 1921-02-08 US US443440A patent/US1537353A/en not_active Expired - Lifetime
-
1922
- 1922-02-07 FR FR547606D patent/FR547606A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763038C (en) * | 1933-02-24 | 1953-07-27 | Neumann Hochspannungs App G M | Electric switch with vaporizable liquid |
DE757307C (en) * | 1939-03-18 | 1954-04-12 | Neumann E | Circuit breaker with extinguishing fluid |
DE1155508B (en) * | 1958-09-19 | 1963-10-10 | Continental Elektro Ind Ag | Switching vessel for low-oil circuit breakers with an expansion space above the filling |
Also Published As
Publication number | Publication date |
---|---|
US1537353A (en) | 1925-05-12 |
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