| 摘要 |
PROBLEM TO BE SOLVED: To prevent deterioration resulting from the leakage of discharge gas and the generation of abnormal noises. SOLUTION: This compressor comprises a suction chamber 23 for sucking a medium into a casing 1, a discharge chamber 12 for discharging and reserving the medium compressed in the suction chamber 23, a partitioning member 13 for partitioning the suction chamber 23 from the discharge chamber 12, and a grooved portion 30 formed circularly on a sealing surface of the casing 1 for guiding oil reserved in the discharge chamber 12 to the sealing surfaces between the partitioning member 13 and the casing 1 in the state of sealing the casing 1 and the partitioning member 13 mutually at their opposed sealing surfaces.
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