Centrifugal compressor having a flexible coupling

摘要

This compressor unit comprises a motor ( 34 ) and at least one compressor ( 44 ) comprising a driven shaft ( 54 ) driven by the rotor of the motor and bladed wheels fitted on the driven shaft ( 54 ), the assembly composed of the motor and the compressor being installed in a common casing ( 55 ) leak tight to the gas manipulated by the compressor unit. The rotor and the driven shaft are connected through a flexible coupling ( 72 ) placed in the casing.