Steam turbine with superheated blade disc cavities

Details Steam turbine with superheated blade disc cavities Steam turbine with superheated blade disc cavities

1982-02-01

1984-08-14

Shepperd, John W.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

415115, 415170R, 415176, 415178, 415182, 415110, F01D 514

Patent

active

044654294

ABSTRACT:
Several means for providing superheated steam varying in pressure and temperature in a plurality of cavities serially disposed between blade discs of a steam turbine in which steam flows from a high pressure to a low pressure portion and improved seals disposed at the radially outer periphery of the cavities which cooperate with the means for providing superheated steam in the cavities to eliminate moisture in the cavities and eliminate stress corrosion in the blade discs.

REFERENCES:
patent: 2297853 (1942-10-01), Zetterquist
patent: 2487514 (1949-11-01), Boestad et al.
patent: 2584899 (1952-02-01), McLeod
patent: 2618461 (1952-11-01), Frankel et al.
patent: 2625013 (1953-01-01), Howard et al.
patent: 2648519 (1953-08-01), Campini
patent: 3291447 (1966-12-01), Brandon
patent: 3756740 (1973-09-01), Deich et al.

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