Patent ID: 6132195
Filing Date: 2000-10-17
Classification: F04C

Abstract:
A rotary compressor comprising:a cylinder,a crank shaft having an eccentric part disposed in said cylinder,a bearing which rotatably support said crank shaft,a roller which moves in said cylinder following said eccentric part, anda vane having a tip which is circular in cross section with a radius R,wherein a groove is provided on a part of the outer periphery of said roller, the groove being circular in cross-section with a radius R, with the circular tip of said vane partially swingably disposed in the groove, so that at least the edge on the suction chamber side out of the edge of the vane which is a crossing point between said circular part at the tip of the vane and side surface of said vane does not come into contact with said groove during the rotation of said crank shaft.