Francis-type runner for pump-turbine

Details Francis-type runner for pump-turbine Francis-type runner for pump-turbine

1976-11-23

1978-08-22

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416DIG2, F01D 504

Patent

active

041085701

ABSTRACT:
A Francis-type runner for pump-turbines comprising a crown ring, a shroud ring and a plurality of runner blades interconnected therebetween, each of said blades satisfying the following relations where 0.09.ltoreq.B/D.ltoreq.0.30:

REFERENCES:
patent: 3628881 (1971-12-01), Hermann
patent: 3639080 (1972-02-01), Yamabe
patent: 3874819 (1975-04-01), Tamura et al.

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