| 摘要 |
PURPOSE:To effectively separate the oil in the compressed gas by providing a guiding-in passage to a lower chamber diverting downward the compressed gas containing oil from a pipeline on the frame main body and providing a guiding-out passage to an outlet passage diverting it to the opposite side. CONSTITUTION:The refrigerant gas fed from a compression element section 2 is once guided to the outside through a pipeline B, and the cooled gas is guided to a lower chamber 1B through a guiding-in passage 9. Then, the compressed air is diverted downward, horizontally, and upward and extracted to the outside through a discharge pipe D. At this time, the largest quantity of oil having a large grain size is mixed in the compressed gas flowing into the lower chamber 1B, it is guided downward, and the gravitational force applied to oil grains 8 can be effectively utilized for the oil separation action. In addition, the oil having a small grain size is separated while flowing horizontally and upward, the oil in the compressed gas is effectively removed, thus oil exhaustion can be suppressed, and a motor 3 can be cooled by the compressed gas.
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