Patent ID: 8231363

Claim:
A screw compressor comprising: a motor having a motor body and a rotating shaft; a low pressure stage compressor body driven by the motor, overlying a portion of the motor body and having a rotor shaft parallel to the rotating shaft of the motor; a high pressure stage compressor body that further compresses a compressed air compressed by the low pressure stage compressor body, the high pressure stage compressor body being driven by the motor, overlying a portion of the motor body and having a rotor shaft parallel to the rotating shaft of the motor and parallel to the rotor shaft of the low pressure stage compressor body; a plurality of rotor side gears, respectively, provided on the rotor shafts of the low pressure stage compressor body and the high pressure stage compressor body; a motor side gear provided on a rotating shaft of the motor; and an intermediate shaft supported rotatably and provided with a first speed-increasing gear, which meshes with the motor side gear, and a second speed-increasing gear, which meshes with the plurality of rotor side gears, wherein a longitudinal axis of the intermediate shaft is arranged in a radial position between a radial position of a longitudinal axis of the rotating shaft of the motor and radial positions of longitudinal axes of the rotor shafts of the low pressure stage compressor body and the high pressure stage compressor body.