Patent ID: 7300266
Filing Date: 2007-11-27
Classification: F04C,F16N

Abstract:
1. A compression unit of an orbiting vane compressor, comprising: a cylinder in which an inner ring is formed, an annular space existing between the inner ring and an inner wall of the cylinder, the cylinder being provided at an upper part of a main frame; a crankshaft through which an oil supplying channel is longitudinally formed, comprising a crank pin formed at an upper end thereof, the crankshaft being rotatably supported by the main frame; an orbiting vane, comprising: the orbiting vane compressing refrigerant gas introduced into the cylinder by performing an orbiting movement according to a rotation of the crankshaft; an Oldham's ring which is provided at a lower surface of the vane plate to prevent rotation of the orbiting vane; an oil supplying hole formed through the vane plate within a diameter of the inner ring, which supplies oil, introduced to the lower surface of the vane plate via the oil supplying channel, to an upper surface of the vane plate, the oil supplying hole not being in gaseous communication with the inner and outer compression chambers; and a subsidiary oil supplying hole, formed within the vane plate and connected to the oil supplying hole, which supplies oil to the Oldham's ring via the oil supplying hole.