FR2176902A1 - - Google Patents
Info
- Publication number
- FR2176902A1 FR2176902A1 FR7309839A FR7309839A FR2176902A1 FR 2176902 A1 FR2176902 A1 FR 2176902A1 FR 7309839 A FR7309839 A FR 7309839A FR 7309839 A FR7309839 A FR 7309839A FR 2176902 A1 FR2176902 A1 FR 2176902A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6646—Contacts; Arc-extinguishing means, e.g. arcing rings having non flat disc-like contact surface
-
- 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
- H01H33/20—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23627872A | 1972-03-20 | 1972-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2176902A1 true FR2176902A1 (en17) | 1973-11-02 |
FR2176902B1 FR2176902B1 (en17) | 1978-02-10 |
Family
ID=22888857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7309839A Expired FR2176902B1 (en17) | 1972-03-20 | 1973-03-20 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3769538A (en17) |
JP (1) | JPS496435A (en17) |
CA (1) | CA977407A (en17) |
DE (1) | DE2308913A1 (en17) |
FR (1) | FR2176902B1 (en17) |
GB (1) | GB1401867A (en17) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825789A (en) * | 1973-06-29 | 1974-07-23 | Gen Electric | Vacuum arc devices with hard, ductile, ferrous electrodes |
US3851203A (en) * | 1973-07-30 | 1974-11-26 | Gen Electric | Vacuum arc devices with improved arcing shields |
US3969598A (en) * | 1975-02-03 | 1976-07-13 | General Electric Company | Vacuum-type circuit interrupter with a plurality of sets of contacts in parallel |
CA1084565A (en) * | 1976-07-21 | 1980-08-26 | James M. Lafferty | High-current vacuum switch with reduced contact erosion |
US4063126A (en) * | 1977-02-16 | 1977-12-13 | General Electric Company | Vacuum arc discharge device with tapered rod electrodes |
US4126808A (en) * | 1977-09-02 | 1978-11-21 | Electric Power Research Institute, Inc. | High voltage two stage triggered vacuum gap |
DE3150974A1 (de) * | 1980-09-06 | 1983-06-30 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Vakuumschalter |
JPS58186589U (ja) * | 1982-06-08 | 1983-12-12 | 株式会社白山製作所 | 通信用ガス入放電管形避雷器 |
DE3832493A1 (de) * | 1988-09-22 | 1990-03-29 | Siemens Ag | Vakuumschaltroehre, eine solche schaltroehre enthaltender lasttrennschalter und verfahren zum betrieb eines solchen lasttrennschalters |
JP2862231B1 (ja) * | 1997-12-16 | 1999-03-03 | 芝府エンジニアリング株式会社 | 真空バルブ |
DE19913236C2 (de) * | 1999-03-23 | 2001-02-22 | Siemens Ag | Verfahren zur Strombegrenzung in Niederspannungsnetzen und zugehörige Anordnung |
JP4818530B2 (ja) * | 2001-04-19 | 2011-11-16 | 三菱電機株式会社 | 真空バルブ |
KR101311686B1 (ko) * | 2006-03-29 | 2013-09-25 | 미츠비시 마테리알 가부시키가이샤 | 서지 업소버 |
KR100599359B1 (ko) * | 2006-04-03 | 2006-07-19 | 주식회사 그라운드 | 대지에 매설할 필요가 없는 접지장치 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1564388A (en17) * | 1967-05-19 | 1969-04-18 | ||
US3679474A (en) * | 1971-01-18 | 1972-07-25 | Gen Electric | Periodic electrode structure for vacuum gap devices |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1582330A (en) * | 1919-05-17 | 1926-04-27 | Leon S Brach | Lightning-arrester construction |
US3189777A (en) * | 1961-06-19 | 1965-06-15 | Westinghouse Electric Corp | Low-pressure electric discharge lamp, and electrode assembly therefor, having martensitic stainless steel anode |
-
1972
- 1972-03-20 US US00236278A patent/US3769538A/en not_active Expired - Lifetime
- 1972-11-14 GB GB5253372A patent/GB1401867A/en not_active Expired
-
1973
- 1973-02-23 DE DE19732308913 patent/DE2308913A1/de active Pending
- 1973-03-12 CA CA166,911A patent/CA977407A/en not_active Expired
- 1973-03-20 JP JP48031530A patent/JPS496435A/ja active Pending
- 1973-03-20 FR FR7309839A patent/FR2176902B1/fr not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1564388A (en17) * | 1967-05-19 | 1969-04-18 | ||
US3679474A (en) * | 1971-01-18 | 1972-07-25 | Gen Electric | Periodic electrode structure for vacuum gap devices |
Also Published As
Publication number | Publication date |
---|---|
DE2308913A1 (de) | 1973-10-04 |
FR2176902B1 (en17) | 1978-02-10 |
JPS496435A (en17) | 1974-01-21 |
US3769538A (en) | 1973-10-30 |
GB1401867A (en) | 1975-08-06 |
CA977407A (en) | 1975-11-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |