| 摘要 |
PURPOSE:To prevent the poor lubrication of the center area of a revolution position controlling pocket which is in contact with the bottom surface of the shoe of a scroll-type compressor by providing the bottom surface of the shoe with an oil passage for supplying oil. CONSTITUTION:When a revolving scroll 12 is rotated due to the rotation of an eccentric shaft 7 above a rotary shaft 5, shoes 18, 19 which are opposite to each other are turned in contact with the ring-shaped surface of each pocket 16, 17 while holding a ball 20 between them. Then the rotation of the revolving scroll 12 is interrupted. Oil grooves 28 are formed on each bottom surface of the shoes 18, 19 so as to intersect each other at their centers. And mist-type lubricating oil is supplied thereto through the oil grooves 28. The contact area of the bottom area P of each revolution position controlling pocket 16, 17 with the bottom surface of each shoe 18, 19 is lubricated. |
