Cooled turbine blade and combined cycle power plant having gas t

Details Cooled turbine blade and combined cycle power plant having gas t Cooled turbine blade and combined cycle power plant having gas t

1990-03-12

1992-06-09

Kwon, John T.

Rotary kinetic fluid motors or pumps

With passage in blade, vane, shaft or rotary distributor...

416 96A, F01D 518

Patent

active

051201925

ABSTRACT:
A blade includes a blade body having a cavity, an insert inserted in the cavity, a plurality of impingement holes formed in a circumferential wall of the insert, and a recovery path for recovering a cooling medium sprayed from the impingement holes. The cooling medium can be recovered without being discharged into a main gas. A gas turbine having this blade is used for a combined cycle power plant. In this plant, steam is supplied as a cooling medium to the blade, and the steam recovered from the blade is supplied to a steam turbine.

REFERENCES:
patent: 2779565 (1957-01-01), Bruckmann
patent: 2873944 (1959-02-01), Wiese et al.
patent: 3891348 (1975-06-01), Auxier
patent: 4180373 (1979-12-01), Moore et al.

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