GB776748A - Improvements relating to high-voltage air-break circuit-breakers - Google Patents
Improvements relating to high-voltage air-break circuit-breakersInfo
- Publication number
- GB776748A GB776748A GB7576/54A GB757654A GB776748A GB 776748 A GB776748 A GB 776748A GB 7576/54 A GB7576/54 A GB 7576/54A GB 757654 A GB757654 A GB 757654A GB 776748 A GB776748 A GB 776748A
- Authority
- GB
- United Kingdom
- Prior art keywords
- breakers
- improvements relating
- break circuit
- voltage air
- march
- 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
-
- 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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/08—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
776,748. Gas-blast switches. REYROLLE & CO., Ltd., A. March 15, 1955 [March 16, 1954], No. 7576/54. Drawings to Specification. Class 38(5) The' Specification describes the matter appearing in Figs. 2À4 of Specification 776,747, but the claims differ.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB324860X | 1954-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB776748A true GB776748A (en) | 1957-06-12 |
Family
ID=10339311
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7576/54A Expired GB776748A (en) | 1954-03-16 | 1954-03-16 | Improvements relating to high-voltage air-break circuit-breakers |
GB7575/54A Expired GB776747A (en) | 1954-03-16 | 1954-03-16 | Improvements relating to high-voltage electric circuit-breakers of the air-break type |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7575/54A Expired GB776747A (en) | 1954-03-16 | 1954-03-16 | Improvements relating to high-voltage electric circuit-breakers of the air-break type |
Country Status (6)
Country | Link |
---|---|
US (1) | US2980781A (en) |
BE (1) | BE536558A (en) |
CH (1) | CH324860A (en) |
DE (1) | DE1057201B (en) |
FR (1) | FR1124993A (en) |
GB (2) | GB776748A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1198438B (en) * | 1963-07-31 | 1965-08-12 | Siemens Ag | Gas pressure switch |
FR2468987A1 (en) * | 1979-10-31 | 1981-05-08 | Alsthom Atlantique | ELECTRIC ARC COOLING DEVICE FOR CHIMNEYS OF CUTTING DEVICES |
FR2710452B1 (en) * | 1993-09-20 | 1995-11-24 | Merlin Gerin | High voltage rotary arc switch. |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE596746C (en) * | ||||
DE272742C (en) * | ||||
DE602544C (en) * | 1934-09-11 | Voigt & Haeffner Akt Ges | Electric switch or fuse with spark chamber and arc extinguishing by magnetic blowing | |
FR636699A (en) * | 1926-04-10 | 1928-04-14 | ||
US1836994A (en) * | 1927-11-17 | 1931-12-15 | Westinghouse Electric & Mfg Co | Circuit interrupter |
US2147430A (en) * | 1936-08-28 | 1939-02-14 | Westinghouse Electric & Mfg Co | Electrical contactor |
US2160681A (en) * | 1937-12-30 | 1939-05-30 | Westinghouse Electric & Mfg Co | Circuit interrupter |
US2293513A (en) * | 1939-10-11 | 1942-08-18 | Gen Electric | Electric air circuit breaker |
DE745120C (en) * | 1939-12-13 | 1944-02-26 | Voigt & Haeffner Ag | Blow chamber |
DE738526C (en) * | 1939-12-13 | 1943-08-19 | Voigt & Haeffner Ag | Blow chamber |
NL67950C (en) * | 1940-01-13 | |||
US2345724A (en) * | 1942-03-19 | 1944-04-04 | Westinghouse Electric & Mfg Co | Circuit breaker |
FR895927A (en) * | 1943-04-08 | 1945-02-07 | Delle Atel Const Electr | Gas exhaust device for self-blowing circuit breakers |
DE926146C (en) * | 1944-06-29 | 1955-04-07 | Siemens Ag | Arrangement to increase the arc gradient |
US2598546A (en) * | 1947-10-09 | 1952-05-27 | Czechoslovak Metal & Engineeri | Electric switch |
FR995722A (en) * | 1949-08-02 | 1951-12-06 | Jeumont Forges Const Elec | Pneumatic circuit breakers with cut-off resistors |
US2604564A (en) * | 1949-10-03 | 1952-07-22 | Allis Chalmers Mfg Co | Circuit breaker employing high and low intensity gas blast |
-
1954
- 1954-03-16 GB GB7576/54A patent/GB776748A/en not_active Expired
- 1954-03-16 GB GB7575/54A patent/GB776747A/en not_active Expired
-
1955
- 1955-03-10 US US493422A patent/US2980781A/en not_active Expired - Lifetime
- 1955-03-16 FR FR1124993D patent/FR1124993A/en not_active Expired
- 1955-03-16 DE DER16217A patent/DE1057201B/en active Pending
- 1955-03-16 BE BE536558A patent/BE536558A/xx unknown
- 1955-03-16 CH CH324860D patent/CH324860A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH324860A (en) | 1957-10-15 |
GB776747A (en) | 1957-06-12 |
FR1124993A (en) | 1956-10-22 |
DE1057201B (en) | 1959-05-14 |
BE536558A (en) | 1955-04-15 |
US2980781A (en) | 1961-04-18 |
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