Refrigeration TechnologyRefrigeration Technology0023-124X2782-4241Eco-Vector10161110.17816/RF101611Research ArticleCompressor oil circulation in a refrigeration plantShishovV. V.info@eco-vector.com1504200493429292402202224022022Copyright © 2022, Shishov V.V.2022<p>A feature of freon refrigeration systems is the use of oils that are mutually soluble with the refrigerant, which allows solving the problem of returning oil from the system to the compressor crankcase without automation devices. In sections of the pipeline (suction and discharge lines), where the refrigerant / oil have different aggregate states (steam / liquid), oil retention is possible.</p>freon refrigeration systemscoolantpipelineфреоновые холодильные системыхладагенттрубопровод