A compressor system that includes a compressor, a refrigeration system, a drive member and a cooling passage. The compressor is operable to produce a flow of compressed fluid. The refrigeration system includes an evaporator, and a flow of refrigerant passes through the evaporator and is operable to cool the flow of compressed fluid. The drive member is coupled to the compressor and is operable to drive the compressor. The cooling passage extends from a point downstream of the evaporator to a point upstream of the compressor. At least a portion of the cooling passage is in thermal exchange relationship with the drive member.

 
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> MULTI-STAGE COMPRESSION SYSTEM AND METHOD OF OPERATING THE SAME

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