| 摘要 |
PURPOSE:To unify the compressive force by conveying a fluid via the relative rotating motion in which the spiral bore of a rotating outside spiral component is brought into contact with an inside spiral component formed with a spiral outer periphery. CONSTITUTION:A compressor section 13 is constituted with an outside spiral component 25 and an inside spiral component 26. A spiral bore 27 is provided on the outside spiral component 25 along the rotation center direction and performs the sliding action with the inside spiral component 26. Thereby, the inside spiral component 26 is revolved while its rotation is blocked by a rotation restricting means. A fluid is conveyed in the space between the bore 27 and the periphery of the inside spiral component 26. Accordingly, the pressure feed of a liquid during the compression operation is performed continuously and uniformly.
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