| 摘要 |
<p>PURPOSE:To improve a delivery pulsation reducing function in addition to a lubricating function and a heat exchange function. CONSTITUTION:A chamber 30 built in with an oil separating mechanism 40 is provided in the center region of a cylinder block 1, and by connecting a lower bottom part of the chamber 30 to a crank chamber 7 by an oil return hole and by also arranging delivery passages 32, 33 from a delivery chamber 6 via the chamber 30, an oil content of a circuit side circulating refrigerant is decreased simultaneously with depressing also a delivery pulsation.</p> |
