Patent ID: 8037712
Filing Date: 2011-10-18
Classification: F04C,F25B

Abstract:
1. A compressor, comprising: a casing that defines a hermetic interior space; a suction pipe and a discharge pipe each coupled to the casing; a driving motor provided in the interior space; a compressing device provided in the interior space, wherein the compressing device receives a driving force from the driving motor and operates to form compression chambers that compress a refrigerant in response thereto; an oil separator that separates oil from refrigerant discharged from the compressing device; and an oil collecting pipe that extends between the oil separator and the compressing device, wherein the oil collecting pipe receives oil from the oil separator and directs the received oil to the compression chambers formed in the compressing device, and wherein the oil collecting pipe injects oil into the compression chambers only, after the compression chambers are formed in the compressing device.