Patent ID: 7632081

Claim:
A compressor, comprising: a casing having a fluid storage area in a lower portion thereof, and a discharge pipe that discharges compressed fluid from the casing; a driving unit provided in the casing to generate a driving force; a suction unit that draws fluid into the casing from an external source; a compressing unit that compresses fluid provided by the suction unit; a discharging unit that discharges compressed fluid from the compressor; and an oil retrieving structure that provides oil to the compressing unit, comprising: an oil pump provided in the lower portion of the casing, wherein the oil pump includes a fluid suction device that suctions fluid only from fluid stored in the fluid storage area; an oil retrieving port provided at a wall of the casing, wherein the oil retrieving port introduces retrieved oil into the casing, wherein the retrieved oil is separated from the compressed fluid discharged through the discharge pipe; and an oil retrieving unit connected to the wall of the casing, the oil retrieving unit comprising a path that extends from the oil retrieving port toward the fluid suction device of the oil pump, and that discharges the retrieved oil proximate the fluid suction device.