| 摘要 |
An oil separator separating oil contained in coolant gas includes an inlet part provided on the upstream side in a passage through which the coolant gas flows, and including a gas inlet port to introduce the coolant gas; an outlet part provided on the downstream side in the passage and including a gas outlet port to lead out the coolant gas and an oil discharge port to discharge the separated oil; a first filtration part provided between the inlet part and the outlet part and configured to filter out the oil from the coolant gas; a second filtration part provided on the downstream side of the first filtration part with a gap between the first and second filtration parts, and configured to filter out the oil from the coolant gas; and an oil separating part including a perforated plate provided on the downstream-side end face of the first filtration part.
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