Refrigeration cycle apparatus
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United States of America Patent
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Apr 28, 2020
Grant Date -
Nov 15, 2018
app pub date -
Jun 28, 2016
filing date -
Jan 14, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A refrigeration cycle apparatus includes: a refrigerant circuit including a compressor, a condenser, an expansion device, and an evaporator; an oil separator provided at a refrigerant discharge side of the compressor and configured to separate refrigerant and a refrigerating machine oil; a first oil return path connecting the oil separator to a refrigerant suction side of the compressor; a flow control device provided on the first oil return path and configured to reduce pressure of the refrigerant and the refrigerating machine oil; an oil reservoir provided to branch from the first oil return path between the flow control device and the refrigerant suction side of the compressor and configured to store the refrigerating machine oil; a second oil return path on which the oil reservoir is provided and through which the oil accumulated in the oil reservoir flows when being returned to the compressor.
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