| 摘要 |
PURPOSE:To prevent the abrasion of a partitioning vane by forming uneven grooves continuously in the vertical direction on the side surface of the partitioning vane of a compression part. CONSTITUTION:A compression part is constituted of a cylinder 5, piston 6, partitioning vane 8, spring 9, suction hole 10, discharge hole 11, discharge valve 12, suction chamber 13, discharge chamber 14, and a cylinder vane groove 15. Uneven grooves 17 are formed continuously in the vertical direction on the side surface 16 of the partitioning vane 8. The oil film exhaustion phenomenon in the reciprocating movement on the side surface of the partitioning vane 8 is prevented by the oil holding effect by the groove 17. Therefore, the abrasion between the cylinder vane groove 15 and the side surface 16 of the partitioning vane 8 is prevented. |
