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CENTRIFUGAL COMPRESSOR WHEREIN MOTOR COOLANT CIRCULATES IN AXIAL GROOVES BETWEEN THE SHAFT AND THE ELECTRIC ROTOR
CENTRIFUGAL COMPRESSOR WHEREIN MOTOR COOLANT CIRCULATES IN AXIAL GROOVES BETWEEN THE SHAFT AND THE ELECTRIC ROTOR
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机译:离心压缩机中,电动机的冷却液在轴和电动转子之间的轴向槽中呈圆形
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摘要
A centrifugal compressor includes a casing, an inlet guide vane, an impeller, a motor, a diffuser and a cooling medium delivery structure. The motor includes a rotor mounted on the shaft and a stator disposed radially outwardly of the rotor to form a gap between the rotor and the stator. The cooling medium delivery structure includes inlet and outlet conduits located to supply and discharge a cooling medium to and from the motor. The shaft has an external shape different than an internal shape of the rotor to form at least one axial passageway between the shaft and the rotor. The cooling medium is supplied through the gap and the at least one axial passageway to cool the rotor.
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