SCROLL COMPRESSOR

摘要

PROBLEM TO BE SOLVED: To provide a scroll compressor capable of reducing an amount of oil flowing into a back pressure chamber to improve performance.SOLUTION: A crank shaft 12 has a flange part 12d at the lower part of an eccentric pin part 12c so as to have a diameter larger than that of the eccentric pin part 12c, and includes: a balance weight 21 attached to the flange part 12d, and resolving imbalance due to rotation motion of the eccentric pin part 12c and revolving motion of a revolving scroll 7; a seal member 25 configured to seal the gap between the revolving scroll 7 and the flange part 12d; and a thrust bearing 26 provided between a frame 9 and the flange part 12d.SELECTED DRAWING: Figure 1