Deep well electrical submersible pump with uplift generating imp
Device for extending the working range of axial flow compressors
Device for transferring fluid between two successive stages...
Diffuser construction for a centrifugal compressor
Diffuser for a turbo pump
Diffusor pump having diffusor blades
Downhole turbomachines for handling two-phase flow
Drainage pump
Drainage pump with a wall member connecting the outer edges of t
Drainage pump with interposed disk
Drainage pump with noise and vibration reducing features