ROTARY COMPRESSOR

摘要

Disclosed is a rotary compressor which prevents vacuum conditions in microscopic gaps which occur from top dead centre and also controls the increase in contact pressure on the blade sliding section. The rotary compressor is comprised of a cylinder chamber (8) formed inside a cylinder (4), where the cylinder chamber (8) is blocked by an upper bearing (5) and a lower bearing (6), a roller (7) is disposed inside the cylinder chamber (8), a blade sliding groove (12) is formed on the cylinder (4), a blade (13) and a spring (14) are formed on the blade sliding groove (12), the spring (14) pushes the blade (13) against the outer surface of the roller (7), and the cylinder chamber (8) is divided by the blade (13) into a high-pressure side compression chamber and a low-pressure side compression chamber opened onto by an inlet aperture (9). One end of a notched section (20A) is positioned at the blade sliding groove (12), and the other extremity is positioned within a projection area X of the inlet aperture (9) on an inside surface (4a) of the cylinder (4).