| 摘要 |
PURPOSE: A load reduction structure for rotary compressor is provided to reduce mechanical friction loss and load by reducing contact area among rolling piston, main bearing and sub bearing, while reducing power consumption. CONSTITUTION: A load reduction structure comprises a rolling piston(51) installed to line contact the inner periphery of a compression chamber of a cylinder, and which operates by a rotating shaft; and a main bearing(53) and a sub bearing(55) installed onto and beneath the cylinder so as to support the rotating shaft. Grooves(57a,57b,57c,57d) are formed at least one surface from among the contact surfaces of the main bearing, rolling piston and sub bearing, so as to reduce the contact surface of the main bearing, rolling piston and sub bearing.
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