JPS4973674A - - Google Patents
Info
- Publication number
- JPS4973674A JPS4973674A JP48116444A JP11644473A JPS4973674A JP S4973674 A JPS4973674 A JP S4973674A JP 48116444 A JP48116444 A JP 48116444A JP 11644473 A JP11644473 A JP 11644473A JP S4973674 A JPS4973674 A JP S4973674A
- Authority
- JP
- Japan
- 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
- H01H33/662—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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS4973674A true JPS4973674A (da) | 1974-07-16 |
| JPS5624340B2 JPS5624340B2 (da) | 1981-06-05 |
Family
ID=26644817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11644473A Expired JPS5624340B2 (da) | 1972-10-18 | 1973-10-18 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3872271A (da) |
| JP (1) | JPS5624340B2 (da) |
| AT (1) | AT328029B (da) |
| AU (1) | AU465944B2 (da) |
| BE (1) | BE806050A (da) |
| CA (1) | CA996164A (da) |
| CH (1) | CH563658A5 (da) |
| FR (1) | FR2204032B1 (da) |
| GB (1) | GB1423379A (da) |
| NL (1) | NL149629B (da) |
Families Citing this family (5)
| 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. |
| JPS6076220U (ja) * | 1983-10-31 | 1985-05-28 | 日本精機株式会社 | 計器照明装置 |
| 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 |
| JPH053937Y2 (da) * | 1984-11-30 | 1993-01-29 | ||
| EP3562782B1 (en) | 2016-12-31 | 2021-06-16 | Thilium Co., Ltd. | A method for producing a micron-size spherical silica aerogel |
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 US US407041A patent/US3872271A/en not_active Expired - Lifetime
- 1973-10-17 CH CH1466373A patent/CH563658A5/xx not_active IP Right Cessation
- 1973-10-18 AT AT885473A patent/AT328029B/de not_active IP Right Cessation
- 1973-10-18 CA CA183,765A patent/CA996164A/en not_active Expired
- 1973-10-18 JP JP11644473A patent/JPS5624340B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH563658A5 (da) | 1975-06-30 |
| NL7214103A (da) | 1974-04-22 |
| AU465944B2 (en) | 1975-10-09 |
| GB1423379A (en) | 1976-02-04 |
| US3872271A (en) | 1975-03-18 |
| AU6121873A (en) | 1975-04-10 |
| ATA885473A (de) | 1975-05-15 |
| FR2204032A1 (da) | 1974-05-17 |
| AT328029B (de) | 1976-02-25 |
| FR2204032B1 (da) | 1978-04-14 |
| NL149629B (nl) | 1976-05-17 |
| CA996164A (en) | 1976-08-31 |
| BE806050A (nl) | 1974-04-12 |
| DE2350489A1 (de) | 1974-05-02 |
| JPS5624340B2 (da) | 1981-06-05 |
| DE2350489B2 (de) | 1976-04-15 |