Power conserving inducer

Details Power conserving inducer Power conserving inducer

F - Mech Eng,Light,Heat,Weapons

04

D

103/11

F04D 15/00 (2006.01) F04D 29/22 (2006.01)

Patent

CA 1125092

ABSTRACT OF THE DISCLOSURE An axial inducer, which charge the inlet of a centrifugal impeller has a bypass loop connecting its inlet and outlet. A valve member for controlling bypass flow is positioned in the bypass loop. At low flows, the bypass loop permits the inducer to run closer to design flow conditions than would otherwise be possible and, consequently, generate less pressure rise, consume minimum power, and cause minimal heating of the fluid being pumped. An extension of the bypass valve member functions to restrict the centrifugal pump discharge area when the valve member is positioned to bypass flow to reduce recirculating flow in the centrifugal impeller and increase its efficiency.

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