Improvements in cooling and sealing for a gas turbine cascade de

Details Improvements in cooling and sealing for a gas turbine cascade de Improvements in cooling and sealing for a gas turbine cascade de

1993-08-31

1995-03-21

Kwon, John T.

Rotary kinetic fluid motors or pumps

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

415116, F01D 902, F01D 518

Patent

active

053990650

ABSTRACT:
In a cascade device for a gas turbine, cooling air which has passed through a trailing air cooling chamber of each stationary blade is discharged from a tip of the stationary blade toward a side surface of a base of a moving blade disposed adjacent to the stationary blade. With this arrangement, the cooling of the stationary blade as well as the sealing of a cascade portion is effected satisfactorily with a smaller amount of the air.

REFERENCES:
patent: 3275294 (1966-09-01), Allen et al.
patent: 3540810 (1970-11-01), Kercher
patent: 3551068 (1970-12-01), Scalzo et al.
patent: 4869640 (1989-09-01), Schwarz et al.
patent: 5207556 (1993-05-01), Frederick et al.
patent: 5253976 (1993-10-01), Cunha

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