Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Patent
1990-10-01
1991-10-15
Kwon, John T.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
4152081, 415220, 415914, 2988921, 2988923, F01D 104
Patent
active
050569899
ABSTRACT:
Power output of a steam turbine is increased by removal of at least one stage of blading in order to increase mass flow through the turbine. A flow guide or annular ring is installed in the space in the inner cylinder or blade ring surrounding the area from which the blading stage has been removed. The flow guide has a radially inner surface conforming generally to the surface configuration of the inner cylinder surrounding the turbine blades. The flow guide presents a relatively smooth, continuous surface to inlet steam flow so that flow separation and turbulence are reduced with a corresponding increase in efficiency.
REFERENCES:
patent: 1949474 (1934-03-01), Jacobsen
patent: 3690786 (1972-09-01), Silvestri, Jr.
patent: 4900223 (1990-02-01), Groenendaal, Jr.
Ganci Anthony F.
Musko Vernon J.
Silvestri, Jr. George J.
Turner Joseph T.
Kwon John T.
Verdier Christopher M.
Westinghouse Electric Corp.
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