Patent ID: 7771180

Claim:
A compressor, comprising: a first case; a compression device having a compression chamber within the first case configured to receive, compress, and discharge a refrigerant, wherein the compression chamber is in direct connection with a suction pipe of the compressor; and an oil separation device that surrounds the first case configured to receive the refrigerant discharged from the compression device and separate oil therefrom, wherein the oil separation device comprises a second case configured to surround at least a portion of the first case to form an oil separation space therebetween, wherein the refrigerant is received into the oil separation space and circulates along the oil separation space to separate oil from the refrigerant, and wherein an input hole is formed in the first case through which the refrigerant discharged from the compression device is received into the oil separation space, and a discharge hole is formed in the second case that is connected with a discharge pipe of the compressor through which the refrigerant is discharged from the compressor.