SU403918A1 - ABOUT INVENTIONS 403918 - Google Patents
ABOUT INVENTIONS 403918Info
- Publication number
- SU403918A1 SU403918A1 SU1786159A SU1786159A SU403918A1 SU 403918 A1 SU403918 A1 SU 403918A1 SU 1786159 A SU1786159 A SU 1786159A SU 1786159 A SU1786159 A SU 1786159A SU 403918 A1 SU403918 A1 SU 403918A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- inventions
- medium
- section
- groove
- flow rates
- Prior art date
Links
Landscapes
- Sliding Valves (AREA)
Description
1one
Изобретение относитс к трубопроводной арматуре и может примен тьс в рег лирующей арматуре, где требуетс регулирование среды при относительно небольших расходах.The invention relates to pipe fittings and can be used in control valves, where control of the medium is required at relatively low flow rates.
Известны дроссели с винтовыми канавками посто нного сечени .Throttles with helical grooves of constant section are known.
С целью обеспечени плавного и тонкого регулировани среды в больших пределах при небольших расходах в любой заданной характеристике регулировани винтовые канавки выполненны с переменной площадью сечени .In order to ensure smooth and fine control of the medium within large limits at low flow rates in any given control characteristic, the screw grooves are made with a variable cross-sectional area.
На чертеже показан регулирующий дроссель .The drawing shows a regulating choke.
На дросселе 1 нарезана винтова канавка а с переменной площадью сечени , котора заканчиваетс продольным пазом б, имеющим объем не меньше максимального объема винтовой канавки в любом сечении.On the throttle 1, a screw groove is cut with a variable cross-sectional area, which ends with a longitudinal groove b, having a volume not less than the maximum volume of the helical groove in any cross section.
Дроссель работает следующим образом.The choke works as follows.
Перетекание среды из полости А в полость Б начнетс в тот момент, когда начало канавки опуститс ниже седла. По мере опускани дроссел расход среды увеличиваетс .The flow of medium from cavity A to cavity B will begin at the moment when the beginning of the groove drops below the saddle. As the throttle drops, the flow rate increases.
Предмет изобретени Subject invention
Регулирующий дроссель с винтовыми канавками посто нного сечени , отличающийс тем, что, с нелью обеспечени плавного и тонкого регулировани среды в больщих пределах при небольших расходах при любой заданной характеристике регулировани , винтовые канавки выполнены с переменной площадью сечени .A fixed choke with helical grooves of constant cross section, characterized in that, with the aim of ensuring smooth and fine control of the medium over large limits at low flow rates for any given control characteristic, the helical grooves are made with a variable cross section area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1786159A SU403918A1 (en) | 1972-05-22 | 1972-05-22 | ABOUT INVENTIONS 403918 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1786159A SU403918A1 (en) | 1972-05-22 | 1972-05-22 | ABOUT INVENTIONS 403918 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU403918A1 true SU403918A1 (en) | 1973-10-26 |
Family
ID=20514656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1786159A SU403918A1 (en) | 1972-05-22 | 1972-05-22 | ABOUT INVENTIONS 403918 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU403918A1 (en) |
-
1972
- 1972-05-22 SU SU1786159A patent/SU403918A1/en active
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