GB494044A - Improvements in and relating to fluid blast electric switches - Google Patents
Improvements in and relating to fluid blast electric switchesInfo
- Publication number
 - GB494044A GB494044A GB21240/37A GB2124037A GB494044A GB 494044 A GB494044 A GB 494044A GB 21240/37 A GB21240/37 A GB 21240/37A GB 2124037 A GB2124037 A GB 2124037A GB 494044 A GB494044 A GB 494044A
 - Authority
 - GB
 - United Kingdom
 - Prior art keywords
 - contact
 - hollow
 - resistance
 - arcing
 - july
 - 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
 - H01H33/02—Details
 - H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
 - H01H33/16—Impedances connected with contacts
 - H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
 
 
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
 - Circuit Breakers (AREA)
 
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| DE202338X | 1936-07-30 | ||
| CH215086T | 1940-01-22 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| GB494044A true GB494044A (en) | 1938-10-19 | 
Family
ID=32094448
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GB21240/37A Expired GB494044A (en) | 1936-07-30 | 1937-07-30 | Improvements in and relating to fluid blast electric switches | 
| GB1341/41A Expired GB547705A (en) | 1936-07-30 | 1941-02-01 | Improvements in and relating to fluid blast electric circuit breakers | 
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GB1341/41A Expired GB547705A (en) | 1936-07-30 | 1941-02-01 | Improvements in and relating to fluid blast electric circuit breakers | 
Country Status (6)
| Country | Link | 
|---|---|
| US (2) | US2117261A (instruction) | 
| BE (2) | BE440370A (instruction) | 
| CH (2) | CH202338A (instruction) | 
| DE (2) | DE695434C (instruction) | 
| FR (2) | FR824792A (instruction) | 
| GB (2) | GB494044A (instruction) | 
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE908154C (de) * | 1942-01-27 | 1954-04-01 | Aeg | Freistrahldruckgasschalter | 
| BE453983A (instruction) * | 1943-01-18 | |||
| BE453984A (instruction) * | 1943-01-18 | |||
| US2422805A (en) * | 1943-04-17 | 1947-06-24 | Ite Circuit Breaker Ltd | Air blast circuit breaker | 
| NL62332C (instruction) * | 1943-09-11 | |||
| US2470628A (en) * | 1944-05-24 | 1949-05-17 | Westinghouse Electric Corp | Circuit interrupter | 
| BE462653A (instruction) * | 1945-01-27 | |||
| GB668276A (en) * | 1948-04-20 | 1952-03-12 | Willis Bevan Whitney | Improvements in gas-blast electric circuit-breakers | 
| GB667004A (instruction) * | 1949-01-18 | |||
| US2604563A (en) * | 1949-10-03 | 1952-07-22 | Allis Chalmers Mfg Co | Circuit breaker employing high and low intensity gas blast | 
| DE911280C (de) * | 1950-08-21 | 1954-05-13 | Licentia Gmbh | Elektrischer Schalter mit Lichtbogenloeschung durch ein stroemendes Druckmittel, wie Druckgas | 
| FR1031543A (fr) * | 1951-01-29 | 1953-06-24 | Perfectionnements aux disjoncteurs à faible volume de liquide extincteur d'arc | |
| US2678984A (en) * | 1951-12-19 | 1954-05-18 | Allis Chalmers Mfg Co | Air blast breaker interrupting head with interrupted line contact | 
| DE1011035B (de) * | 1953-03-31 | 1957-06-27 | Licentia Gmbh | Elektrischer Hochleistungsschalter | 
| US2911506A (en) * | 1953-09-23 | 1959-11-03 | Westinghouse Electric Corp | Circuit interrupting device | 
| US2997563A (en) * | 1955-05-27 | 1961-08-22 | Westinghouse Canada Ltd | Circuit interrupters | 
| DE1100762B (de) * | 1958-08-23 | 1961-03-02 | Liebknecht Transformat | Hochspannungsdruckluftschalter | 
| DE1165128B (de) * | 1961-03-23 | 1964-03-12 | Liebknecht Transformat | Druckgasschalter mit unmittelbar an der Trennstelle angeordnetem Blasventil | 
| NL278421A (instruction) * | 1961-05-17 | |||
| US3160726A (en) * | 1962-01-15 | 1964-12-08 | cromer | |
| CH410112A (de) * | 1964-08-21 | 1966-03-31 | Bbc Brown Boveri & Cie | Druckgasschalter | 
| DE1222143B (de) * | 1965-02-23 | 1966-08-04 | Calor Emag Elektrizitaets Ag | Hochspannungsschalter mit Lichtbogenloeschung durch ein stroemendes Loeschmittel | 
| CH518617A (de) * | 1971-05-05 | 1972-01-31 | Sprecher & Schuh Ag | Druckgasschalter | 
- 
        0
        
- BE BE422849D patent/BE422849A/xx unknown
 - BE BE440370D patent/BE440370A/xx unknown
 
 - 
        1936
        
- 1936-07-31 DE DE1936A0080104 patent/DE695434C/de not_active Expired
 
 - 
        1937
        
- 1937-07-24 FR FR824792D patent/FR824792A/fr not_active Expired
 - 1937-07-27 CH CH202338D patent/CH202338A/de unknown
 - 1937-07-30 US US156554A patent/US2117261A/en not_active Expired - Lifetime
 - 1937-07-30 GB GB21240/37A patent/GB494044A/en not_active Expired
 
 - 
        1940
        
- 1940-01-22 CH CH215086D patent/CH215086A/de unknown
 - 1940-01-28 DE DEA90773D patent/DE737822C/de not_active Expired
 - 1940-12-26 FR FR51280D patent/FR51280E/fr not_active Expired
 
 - 
        1941
        
- 1941-02-01 GB GB1341/41A patent/GB547705A/en not_active Expired
 - 1941-03-13 US US383217A patent/US2290004A/en not_active Expired - Lifetime
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| US2117261A (en) | 1938-05-10 | 
| CH215086A (de) | 1941-05-31 | 
| FR51280E (fr) | 1942-02-18 | 
| DE695434C (de) | 1940-08-24 | 
| GB547705A (en) | 1942-09-08 | 
| US2290004A (en) | 1942-07-14 | 
| FR824792A (fr) | 1938-02-16 | 
| BE422849A (instruction) | |
| BE440370A (instruction) | |
| CH202338A (de) | 1939-01-15 | 
| DE737822C (de) | 1943-07-26 | 
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