Patent ID: 8313312

Claim:
A screw compressor comprising: a compressor body having a pair of male and female screw rotors; an air-cooled heat exchanger for cooling a lubricating oil of the compressor; an air-cooled heat exchanger for cooling a compressed air discharged from the compressor; and a case for receiving the components described above, wherein the screw compressor further includes: a motor for driving the compressor disposed at the bottom of the case; and a duct which takes in air from a lower portion of the case and discharges it from a ceiling portion, the duct having a central part that extends above an upper portion of the motor; wherein the air-cooled heat exchanger for cooling the compressed air is disposed at the central part of the duct in an inclined manner; and wherein a suction duct for suppressing noise of the air-cooled heat exchanger is provided closer to a suction side than to the central part of the duct.