Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate
Patent
1982-09-30
1984-10-30
Garrett, Robert E.
Fluid reaction surfaces (i.e., impellers)
Rotor having flow confining or deflecting web, shroud or...
Radially extending web or end plate
F01D 504
Patent
active
044797575
ABSTRACT:
An improved Francis-type turbine runner permitting a significant reduction in cavitation is provided by shaping the runners extending between the ring and crown in such a fashion that at least a portion of the area of the streamlined suction face side of each blade is (when used as a turbine) exposed when viewed in the axial direction looking away from the crown.
REFERENCES:
patent: 1929098 (1933-10-01), Moody
patent: 3206807 (1965-09-01), Hoffman et al.
patent: 3639080 (1972-02-01), Yamabe
patent: 4108570 (1978-08-01), Yamabe
Holmes David G.
McNabb Jacques Y.
Novak Richard A.
Dominion Engineering Works Limited
Eckersley Raymond A.
Garrett Robert E.
Pitko Joseph M.
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