Refrigeration System with Oil Control System
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 20, 2023
filing date -
May 24, 2018
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Abstract
A CO2 refrigeration system includes a plurality of compressors configured to circulate a CO2 refrigerant, a suction line configured to deliver the CO2 refrigerant to the compressors, an oil separator configured to separate oil from the CO2 refrigerant, and an oil return line configured to deliver the oil from the oil separator to the suction line. The oil mixes with the CO2 refrigerant in the suction line before reaching the compressors.
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