AU4948972A - Improvements in or relating to vacuum switches - Google Patents
Improvements in or relating to vacuum switchesInfo
- Publication number
- AU4948972A AU4948972A AU49489/72A AU4948972A AU4948972A AU 4948972 A AU4948972 A AU 4948972A AU 49489/72 A AU49489/72 A AU 49489/72A AU 4948972 A AU4948972 A AU 4948972A AU 4948972 A AU4948972 A AU 4948972A
- Authority
- AU
- Australia
- Prior art keywords
- relating
- vacuum switches
- switches
- vacuum
- 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
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2202924A DE2202924C3 (en) | 1972-01-21 | 1972-01-21 | Vacuum switch |
DEDE822029 | 1972-01-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4948972A true AU4948972A (en) | 1974-05-30 |
AU475976B2 AU475976B2 (en) | 1976-09-09 |
Family
ID=5833683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU49489/72A Expired AU475976B2 (en) | 1972-01-21 | 1972-11-30 | Improvements in or relating to vacuum switches |
Country Status (6)
Country | Link |
---|---|
US (1) | US3819897A (en) |
JP (1) | JPS4882365A (en) |
AU (1) | AU475976B2 (en) |
CA (1) | CA979959A (en) |
DE (1) | DE2202924C3 (en) |
GB (1) | GB1388700A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2357333C3 (en) * | 1973-11-16 | 1980-04-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Penetration composite metal as contact material for vacuum switches |
US4048117A (en) * | 1974-10-29 | 1977-09-13 | Westinghouse Electric Corporation | Vacuum switch contact materials |
GB2123852B (en) * | 1982-07-19 | 1986-06-11 | Gen Electric | Electrode contacts for high currant circuit interruption |
JPS60172117A (en) * | 1984-02-17 | 1985-09-05 | 三菱電機株式会社 | Contact for vacuum breaker |
GB2323213B (en) * | 1997-03-10 | 2001-10-17 | Gec Alsthom Ltd | Vacuum switching device |
DE102007063447B3 (en) * | 2007-12-21 | 2009-04-23 | Siemens Ag | Vacuum interrupter |
DE102007063446B3 (en) * | 2007-12-21 | 2009-04-23 | Siemens Ag | Vacuum interrupter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1986210A (en) * | 1934-04-20 | 1935-01-01 | Albert W Langkau | Copper alloy for conducting electricity |
US2143914A (en) * | 1937-10-09 | 1939-01-17 | Mallory & Co Inc P R | Copper-silver-beryllium-nickel alloy |
BE452819A (en) * | 1938-04-30 | |||
US3497652A (en) * | 1968-11-01 | 1970-02-24 | Helen W Horn | Vacuum-type circuit interrupter with contact material containing a minor percentage of aluminum |
US3663775A (en) * | 1970-03-24 | 1972-05-16 | Gen Electric | Vacuum interrupter with contacts containing a minor percentage of aluminum |
-
1972
- 1972-01-21 DE DE2202924A patent/DE2202924C3/en not_active Expired
- 1972-11-14 GB GB5249172A patent/GB1388700A/en not_active Expired
- 1972-11-30 AU AU49489/72A patent/AU475976B2/en not_active Expired
-
1973
- 1973-01-19 CA CA161,673A patent/CA979959A/en not_active Expired
- 1973-01-22 JP JP48009408A patent/JPS4882365A/ja active Pending
- 1973-01-22 US US00325613A patent/US3819897A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3819897A (en) | 1974-06-25 |
JPS4882365A (en) | 1973-11-02 |
GB1388700A (en) | 1975-03-26 |
AU475976B2 (en) | 1976-09-09 |
CA979959A (en) | 1975-12-16 |
DE2202924C3 (en) | 1979-04-19 |
DE2202924A1 (en) | 1973-08-02 |
DE2202924B2 (en) | 1978-08-17 |
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