| 摘要 |
PURPOSE:To improve the performance of oil feeding into a thrust bearing by providing a lubricating oil guide substance on the movable-scroll side end face of the outer ring of a radial bearing supporting the movable scroll, and then allowing the guide substance to guide the lubricating oil so that it may be sprinkled onto the thrust bearing. CONSTITUTION:On a position opposite to a fixed scroll 3 is supported, by means of a thrust bearing 5, a movable scroll 4 in such a manner that it is allowed to make a revolving movement, and then, the movable scroll 4 is supported by means of a radial bearing 10 on a swinging link 9 which is pivoted on a driving pin 7 placed on the eccentric position of a driving shaft 6 in such a manner that it may be free to make a swinging movement. In such a machine as mentioned above, the thrust bearing 5 is provided so that it supports the end plate 4a of the movable scroll 4 in the neighborhood of a central hole 14a having a diameter smaller than the outside diameter of the swinging link 9. And further, on the movable scroll 4 side end face of the outer ring 10a of the radial bearing 10 is provided an oil guide substance 15 for guiding the lubricating oil, which has been fed into the bearing 10, to the thrust bearing 5.
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