| 摘要 |
PURPOSE:To enhance the working effectiveness and reduce the cost by furnishing a high pressure receiving ring at a frame supporting a revolving scroll, and by installing Oldham ring key seats at that surface of high pressure receiving ring on its revolving scroll side. CONSTITUTION:A recess for accommodation 35 is provided at a frame 30 to support a revolving scroll 4, and a high pressure receiving ring 33 is installed in this recess 35. A pair of Oldham ring key seats 37 are furnished at the protruding oversurface of this high pressure receiving ring 33. This requires only to provide a stepped recess in circular form at the frame 30 to ensure easier machining and assembly, which should enhance the working effectiveness and reduce the cost.
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