Power plants – Motive fluid energized by externally applied heat – Having apparatus cleaning – sealing – lubricating – purging,...
Patent
1984-06-11
1985-11-05
Husar, Stephen F.
Power plants
Motive fluid energized by externally applied heat
Having apparatus cleaning, sealing, lubricating, purging,...
60647, 60677, 415176, 415178, F01K 1900
Patent
active
045505691
ABSTRACT:
A main steam inlet structure of a steam turbine has two inlet tubes which are separable from an inner casing and an outer casing of the turbine and are arranged concentrically with a spacing therebetween to constitute an inflow passage for main steam are connected at one end to the outer casing and at the other end to the inner casing, by seal rings. Cooling steam extracted from turbine stage midway is supplied to a cooling steam passage of the spacing formed between the two inlet tubes, thereby cooling the inner inlet tube.
REFERENCES:
patent: 2467818 (1949-04-01), Elston
patent: 2815645 (1957-12-01), Downs
"The Eddystone Superpressure Unit", Transactions of the _ASME, Aug. 1957, pp. 1431-1446.
"Development Associated with the Superpressure Turbine for Eddystone Station Unit No. 1", ASME Paper Nos. 59-A-288, 1960.
Isa Hitoshi
Kaneko Ryoichi
Kashiwahara Katsuto
Hitachi , Ltd.
Husar Stephen F.
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