HYDRAULIC PULSATOR Russian patent published in 2012 - IPC F04F7/02 F04D13/04 

FIELD: machine building.

SUBSTANCE: hydraulic pulsator comprises feed branch pipe 1, guide vanes 2, vaned impeller 7, pressure branch pipe 21, discharge branch pipe 22, radial and axial bearings for impeller shaft 23 to run in.Vanes and channels of guide vanes 2 are arranged in mutually shifted sectors so that vanes 5 forming pressure channels are arranged above drain channels 3 formed by vanes 3. Impeller 7 incorporates main and supplementary vanes that form drain and pressure channels 11 and 15, respectively, arranged in sectors shifted in height.

EFFECT: simplified design, higher reliability and efficiency.

2 cl, 3 dwg