ROTARY COMPRESSOR

摘要

PROBLEM TO BE SOLVED: To provide a rotary compressor high in reliability and low in cost by improving the wear resistance of a vane and a roller at low cost even in the case of using an HFCs refrigerant with a low wear resistant characteristic without containing chlorine. SOLUTION: A rotary compressor is provided with a cylinder with a cylindrical hollow part; a cylindrical roller 14 eccentrically disposed in the hollow part so as to be in proximity to the cylinder and put in turning motion with the cylinder axis of the hollow part as a rotation axis; a vane 13 having a rounded tip part and forming an intake chamber and a discharge chamber by the contact of this tip part with the outer peripheral part of the roller 14; and a motor part for putting the roller 14 in turning motion. The vane 13 is formed of high speed tool steel SKH51, and the roller 14 is formed of cast iron with a steadite phase formed by adding a phosphorus element (P).