SU148153A1 - Device for maintaining an equilibrium pressure of gels in an electrovacuum device - Google Patents
Device for maintaining an equilibrium pressure of gels in an electrovacuum deviceInfo
- Publication number
- SU148153A1 SU148153A1 SU735132A SU735132A SU148153A1 SU 148153 A1 SU148153 A1 SU 148153A1 SU 735132 A SU735132 A SU 735132A SU 735132 A SU735132 A SU 735132A SU 148153 A1 SU148153 A1 SU 148153A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- gels
- electrovacuum
- pressure
- maintaining
- equilibrium pressure
- Prior art date
Links
Landscapes
- Devices For Use In Laboratory Experiments (AREA)
- Measuring Fluid Pressure (AREA)
Description
В ОСНОВНОМ авт. св. N° 135541 описано устройство дл поддержани равновесного давлени гели в электровакуумном приборе с помощью кварцевой ампулы с нагревателем, заполненной гелие.м и помещенной в электровакуумный прибор, с применением теплового манометра Пирани, выходным сигналом которого определ етс величина анодного тока отдельного усилител , питающего нагреватель. Однако подобное устройство не обеспечивает расширени диапазона поддержани давлени в электровакуумных приборах до диапазона выше 1 мм рт. ст.BASIC Auth. St. N ° 135541 describes a device for maintaining an equilibrium pressure of gels in an electrovacuum device using a quartz ampoule with a heater filled with helium and placed in an electrovacuum device using a Pirani thermal gauge, the output of which determines the value of the anode current of a separate amplifier feeding the heater. However, such a device does not expand the range of pressure maintenance in vacuum devices to a range above 1 mm Hg. Art.
Предлагаемое устройство устран ет указанный недостаток. Это достигаетс тем, что оно снабжено сильфоном с контактами, замыкающим цепь нагревател ампулы при падении давлени ниже заданного .The proposed device eliminates this drawback. This is achieved in that it is provided with a bellows with contacts closing the circuit of the ampoule heater when the pressure drops below a predetermined value.
На чертеже приведено схематическое изображение описываемого устройства.The drawing shows a schematic representation of the described device.
Внутрь электровакуумного прибора / вводитс кварцева ампула 2, наполненна гелием. Ампула снабжена нагревателем 3, изменение величины тока в котором определ етс изменением давлени гели в приборе . В качестве датчика изменени давлени использован сильфон 4 с контактами 5, 6, наполненный гелием до давлени , равного номинальному давлению гели в приборе, что расшир ет диапазон поддерживаемого давлени выше 1 мм рт. столба. При падении давлени ниже заданного сильфон 4 расшир етс и замыкает контакты 5, 6 нагревател 3 кварцевой ампулы 2 гелием, в результате чего скорость диффузии гели из ампулы увеличиваетс и давление гели в прибореA quartz ampoule 2 filled with helium is introduced into the electrovacuum instrument. The vial is equipped with a heater 3, the change in the magnitude of the current in which is determined by the change in the pressure of the gels in the device. A bellows 4 with contacts 5, 6, filled with helium to a pressure equal to the nominal pressure of the helium in the device, expands the range of supported pressure above 1 mm Hg. pillar. When the pressure drops below a predetermined amount, the bellows 4 expands and closes the contacts 5, 6 of the heater 3 of the quartz ampoule 2 with helium, as a result of which the diffusion rate of the helium from the ampoule increases and the pressure of the helium in the instrument
148153 148153
еоэрастает. При достижении номинальной величины давлени контакты 5, 6 цепи нагревател 3, вследствие сокращени об-ьема сильфона 4,, разрываютс .eoerastaet. When the nominal pressure value is reached, the contacts 5, 6 of the heater circuit 3, due to a reduction in the volume of the bellows 4, are broken.
Предмет, изобретени Subject Invention
Устройство дл поддержани равновесного давлени гели в электровакуумном приборе с применением кварцевой ампулы с электрическим нагревателем по авт. св. № 135541 отличающеес тем, что,, с целью расщирени диапазона поддерживаемого давлени выше мм рт. столба, в нем применен сильфон с контактами, замыкающийцепь нагревател ампулы при падении давлени ниже заданного.A device for maintaining an equilibrium pressure of gels in an electrovacuum device using a quartz ampoule with an electric heater according to the ed. St. No. 135541 is characterized in that, in order to expand the range of supported pressure above mm Hg. a post, it uses a bellows with contacts, the closing circuit of the ampoule heater when the pressure drops below a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU735132A SU148153A1 (en) | 1961-06-26 | 1961-06-26 | Device for maintaining an equilibrium pressure of gels in an electrovacuum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU735132A SU148153A1 (en) | 1961-06-26 | 1961-06-26 | Device for maintaining an equilibrium pressure of gels in an electrovacuum device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU135541 Addition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU148153A1 true SU148153A1 (en) | 1961-11-30 |
Family
ID=48303449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU735132A SU148153A1 (en) | 1961-06-26 | 1961-06-26 | Device for maintaining an equilibrium pressure of gels in an electrovacuum device |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU148153A1 (en) |
-
1961
- 1961-06-26 SU SU735132A patent/SU148153A1/en active
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