FIELD: refrigerating engineering. SUBSTANCE: vessel containing oil and cooling agent in vapor state is connected with suction branch pipe of screw oil-filled compressor by means of heat-insulated hermetic pipe. Oil chamber of this vessel is connected with trod chamber of hydraulic cylinder which is used as drive for spool valve of screw oil-filled compressor. Piston chamber of hydraulic cylinder is connected with oil chamber of oil separator; on other side this chamber is connected with suction branch pipe of screw oil-filled compressor through valve. EFFECT: enhanced reliability. 1 dwg
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|---|---|---|---|
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|
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| 0 |
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SU1779789A1 | |
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RU2133929C1 |
