Pump impeller

Details Pump impeller Pump impeller

F - Mech Eng,Light,Heat,Weapons

04

D

103/121

F04D 29/22 (2006.01)

Patent

CA 1160508

ABSTRACT OF THE DISCLOSURE A bidirectional pump is provided which includes a pair of impellers each operable for pumping liquid in one direction of operation. One of the impellers has modified vane structure for reducing turbulent liquid flow conditions when rotated in a reverse direction in a volute pump cavity. The modified vane structure reduces noise emission character- istics of the impeller when operated in a pump cavity sub- stantially depleted of liquid.

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