Seiko Instruments Inc

Tatsuhiro Tohyama

Toshinari Matsuura

To provide a gas compressor that is suitable for reducing cost for the overall compressor without degrading the oil separation performance needed for the compressor and that may keep the oil separation performance constant for a long period of time. An oil separator having a pipe structure composed only of a discharge pipe formed integrally with a side block as a means for separating a lubricant oil component contained in high pressure cooling medium gas is adapted. In this case, the discharge pipe is adapted to form a discharge route for the high pressure cooling medium gas without any bypass immediately before an inner wall of a compressor case from a first discharge chamber. The separation of the lubricant oil component is performed by collision of the high pressure cooling medium gas, immediately after discharged from a cylinder discharge port to the first discharge chamber, against the inner wall of the compressor case through the discharge pipe without reducing a high flow rate.

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Chiba, Japan

Tatsuhiro Tohyama