RU2012134670A - METHOD OF PUMPING AND SEALING OF LARGE-SIZED VACUUM ARCAMENT CAMERAS - Google Patents
METHOD OF PUMPING AND SEALING OF LARGE-SIZED VACUUM ARCAMENT CAMERAS Download PDFInfo
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- RU2012134670A RU2012134670A RU2012134670/02A RU2012134670A RU2012134670A RU 2012134670 A RU2012134670 A RU 2012134670A RU 2012134670/02 A RU2012134670/02 A RU 2012134670/02A RU 2012134670 A RU2012134670 A RU 2012134670A RU 2012134670 A RU2012134670 A RU 2012134670A
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- furnace
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- sealing
- solder
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Abstract
Способ откачки и герметизации в вакуумной печи вакуумных дугогасительных камер, собранных из узлов, предварительно спаянных первым припоем и имеющих один или несколько незапаянных швов между этими узлами с заложенным в них вторым припоем с более низкой, чем у первого, температурой плавления, содержащий последовательность операций: откачки объема печи, нагрев до температуры обезгаживания, выдержка при этой температуре, кратковременный нагрев и выдержка при температуре плавления второго припоя, снятие нагрева, герметизация швов и остывание печи, отличающийся тем, что после операции откачки объема печи проводится дополнительная операция выдержки при температуре не более 100°С, длительностью, достаточной для откачки газа из внутреннего объема вакуумных камер через незапаянные швы.A method of pumping and sealing in a vacuum furnace vacuum arcing chambers assembled from nodes previously soldered by the first solder and having one or more unsealed seams between these nodes with a second solder embedded in them with a lower melting temperature than the first one, containing the sequence of operations: evacuation of the furnace volume, heating to the degassing temperature, holding at this temperature, short-term heating and holding at the melting temperature of the second solder, removing heat, sealing the joints and cooling furnace, characterized in that after the operation of pumping the volume of the furnace, an additional operation of soaking is carried out at a temperature of not more than 100 ° C, with a duration sufficient to pump gas from the internal volume of the vacuum chambers through unsealed seams.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012134670/02A RU2532627C2 (en) | 2012-08-14 | 2012-08-14 | Manufacturing method of vacuum arc-extinguishing chambers (vec) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012134670/02A RU2532627C2 (en) | 2012-08-14 | 2012-08-14 | Manufacturing method of vacuum arc-extinguishing chambers (vec) |
Publications (2)
Publication Number | Publication Date |
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RU2012134670A true RU2012134670A (en) | 2014-02-20 |
RU2532627C2 RU2532627C2 (en) | 2014-11-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2012134670/02A RU2532627C2 (en) | 2012-08-14 | 2012-08-14 | Manufacturing method of vacuum arc-extinguishing chambers (vec) |
Country Status (1)
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RU (1) | RU2532627C2 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1504666A (en) * | 1975-03-22 | 1978-03-22 | Gemvac Kk | Vacuum power interrupter and method of making the same |
SU1742888A1 (en) * | 1990-01-26 | 1992-06-23 | Всесоюзный Электротехнический Институт Им.В.И.Ленина | Stemless evacuation device |
JP2941682B2 (en) * | 1994-05-12 | 1999-08-25 | 株式会社東芝 | Vacuum valve and method of manufacturing the same |
RU2076372C1 (en) * | 1994-05-13 | 1997-03-27 | Товарищество с ограниченной ответственностью "КАНПАК" | Method for manufacturing of vacuum arc-quenching chamber |
US8039771B2 (en) * | 2008-08-11 | 2011-10-18 | Eaton Corporation | Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same |
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2012
- 2012-08-14 RU RU2012134670/02A patent/RU2532627C2/en not_active IP Right Cessation
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Publication number | Publication date |
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RU2532627C2 (en) | 2014-11-10 |
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Free format text: LICENCE Effective date: 20141223 |
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Effective date: 20150815 |