Patent ID: 8845281
Filing Date: 2014-09-30
Classification: F04D,F05D

Abstract:
1. A centrifugal compressor comprising at least one stage suited to separate a liquid phase and a gas phase, said compressor comprising at least one of an inlet guide vane, impeller, return channel straight hub, or exiting hub bend, and further comprising at least one of an impeller casing, diffuser casing, exiting casing bend, collection point, or drain, wherein: the compressor comprises a hydrophobic and/or super-hydrophobic surface layer disposed on at least one of the inlet guide vane, impeller, return channel straight hub, or exiting hub bend: and the compressor further comprises a hydrophilic and/or super-hydrophilic surface disposed on at least one of the impeller casing, diffuser casing, exiting casing bend, return channel straight hub, exiting hub bend, collection point, or drain.