GB1423379A - Vacuum circuit interruptors - Google Patents
Vacuum circuit interruptorsInfo
- Publication number
- GB1423379A GB1423379A GB4658773A GB4658773A GB1423379A GB 1423379 A GB1423379 A GB 1423379A GB 4658773 A GB4658773 A GB 4658773A GB 4658773 A GB4658773 A GB 4658773A GB 1423379 A GB1423379 A GB 1423379A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gettering
- vacuum
- zirconium
- oct
- substance
- 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
- H01H33/60—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
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/668—Means for obtaining or monitoring the vacuum
- H01H33/6683—Means for obtaining or monitoring the vacuum by gettering
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL727214103A NL149629B (nl) | 1972-10-18 | 1972-10-18 | Vacuuemschakelaar met vangstofelement. |
SE1410372 | 1972-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1423379A true GB1423379A (en) | 1976-02-04 |
Family
ID=26644817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4658773A Expired GB1423379A (en) | 1972-10-18 | 1973-10-05 | Vacuum circuit interruptors |
Country Status (10)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL170995C (nl) | 1978-12-01 | 1983-01-17 | Hazemeijer Bv | Vacuuemschakelaar, alsmede metalen scherm en vangstofelement daarvoor. |
JPS6092120U (ja) * | 1983-11-30 | 1985-06-24 | 日本精機株式会社 | 前面照明計器装置の照明ケ−ス取付構造 |
CN110088040B (zh) | 2016-12-31 | 2022-10-14 | 钛业有限公司 | 一种制备微米级球形二氧化硅气凝胶的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3090852A (en) * | 1960-02-11 | 1963-05-21 | Gen Electric | Gettering arrangement for a vacuum circuit interrupter |
DE1947413A1 (de) * | 1968-10-28 | 1970-04-30 | Getters Spa | Getterpumpe zur Erzeugung und Aufrechterhaltung eines Vakuums in geschlossenen Gefaessen |
-
1972
- 1972-10-18 NL NL727214103A patent/NL149629B/xx not_active IP Right Cessation
-
1973
- 1973-10-05 GB GB4658773A patent/GB1423379A/en not_active Expired
- 1973-10-10 AU AU61218/73A patent/AU465944B2/en not_active Expired
- 1973-10-12 BE BE136668A patent/BE806050A/xx unknown
- 1973-10-16 FR FR7336892A patent/FR2204032B1/fr not_active Expired
- 1973-10-17 CH CH1466373A patent/CH563658A5/xx not_active IP Right Cessation
- 1973-10-17 US US407041A patent/US3872271A/en not_active Expired - Lifetime
- 1973-10-18 AT AT885473A patent/AT328029B/de not_active IP Right Cessation
- 1973-10-18 JP JP11644473A patent/JPS5624340B2/ja not_active Expired
- 1973-10-18 CA CA183,765A patent/CA996164A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA996164A (en) | 1976-08-31 |
CH563658A5 (enrdf_load_stackoverflow) | 1975-06-30 |
AU6121873A (en) | 1975-04-10 |
NL149629B (nl) | 1976-05-17 |
DE2350489A1 (de) | 1974-05-02 |
ATA885473A (de) | 1975-05-15 |
JPS5624340B2 (enrdf_load_stackoverflow) | 1981-06-05 |
FR2204032B1 (enrdf_load_stackoverflow) | 1978-04-14 |
DE2350489B2 (de) | 1976-04-15 |
BE806050A (nl) | 1974-04-12 |
AT328029B (de) | 1976-02-25 |
JPS4973674A (enrdf_load_stackoverflow) | 1974-07-16 |
AU465944B2 (en) | 1975-10-09 |
FR2204032A1 (enrdf_load_stackoverflow) | 1974-05-17 |
US3872271A (en) | 1975-03-18 |
NL7214103A (enrdf_load_stackoverflow) | 1974-04-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1423379A (en) | Vacuum circuit interruptors | |
GB1277935A (en) | Leak detecting means for vacuum switches | |
ES451335A1 (es) | Perfeccionamientos en transformadores teroidales de soldeo por reactancia. | |
GB1371947A (en) | Bistable induction switch | |
ES426054A1 (es) | Un dispositivo interruptor perfeccionado. | |
GB799002A (en) | Improvements in or relating to thermostats | |
ES448191A1 (es) | Un dispositivo conmutador perfeccionado. | |
AT342501B (de) | Behalter | |
JPS5295406A (en) | Rail heating device | |
GB1048025A (en) | Winding temperature indicator for dry-type transformers | |
JPS5333435A (en) | Detector for hot water leakage of induction furnace | |
GB874757A (en) | Improvements in electric heaters | |
GB464798A (en) | Portable apparatus for automatically detecting, signalling and stopping gas leakages rom gas conduits and containers | |
AT219734B (de) | Elektroherd mit Mikrowellenzusatz | |
AT218140B (de) | Elektrische Entladungsröhre mit einer Glühkathode | |
ES164621U (es) | Un tubo metalico de intercambio de calor. | |
AT332755B (de) | Magnetisch betatigbare steuereinrichtung | |
JPS5249418A (en) | Conservator panel peplacing conservator of oil-immersed transformer | |
JPS5217233A (en) | Induction heating device | |
ES436429A1 (es) | Un dispositivo actuador automatico para la mariposa del es- trangulador de un carburador. | |
AT219081B (de) | Gasumwälz- und Kühleinrichtung für Schutzgas- oder Vakuumglühöfen | |
JPS556803A (en) | Winding support apparatus for induction electrical appliance | |
JPS56104422A (en) | Gas-insulated electric device | |
ES431387A1 (es) | Dispositivo de expansion para terminales tipo condensador aislados por aceite para transformadores, reactores y simi- lares. | |
JPS529822A (en) | Stationary induction electric equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |