TWO STAGE ROTARY COMPRESSOR

摘要

A 2-stage rotary compressor is provided to form compression spaces of different capacities and realize balanced operation of a rotation shaft having eccentric parts formed in different size and in different directions. A rotation shaft(113) has low and high pressure eccentric parts(122,132) respectively to be engaged with low and high pressure rollers, wherein the low pressure eccentric part is thicker than the high pressure eccentric part in the axial direction and has a plurality of balance holes(122h).