Patent ID: 7942656
Filing Date: 2011-05-17
Classification: F04C,F16F

Abstract:
1. A compressor, comprising: a compression device having a compression chamber and configured to receive, compress, and output a refrigerant; a drive motor including a rotor and a stator, configured to rotate the compression device to compress a refrigerant within the compression chamber; a rotational shaft attached to the compression device and the rotor of the drive motor; a respective balancing weight attached at both sides of the motor; and a torsional vibration absorbing device attached to the motor that absorbs torsional vibration, wherein the balancing weight located on one side of the motor includes first and second masses with a gap in a rotational direction therebetween, and wherein the torsional vibration absorbing device comprises: a vibration absorbing member pivotally mounted on the pivot shaft, wherein a rotation angle of the vibration absorbing member is restricted by the first and second masses.