Cooled combustion turbine blade with retrofit blade seal

Details Cooled combustion turbine blade with retrofit blade seal Cooled combustion turbine blade with retrofit blade seal

1984-09-05

1987-03-10

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

With heating, cooling or thermal insulation means

416 96R, 416220R, F01D 518, F01D 532

Patent

active

046487999

ABSTRACT:
The invention comprises a retrofit turbine blade cooling apparatus for replacing non-cooled turbine blades in presently existing combustion turbines. The cooling apparatus comprises a turbine blade structured for fluid cooling and a sealing apparatus structured to cooperate with a root portion of the turbine blade and a subadjacent portion of a turbine disc to force cooling fluid into the turbine blade. Use of the cooling apparatus requires no modification or disassembly of the rotor assembly.

REFERENCES:
patent: 3493212 (1970-02-01), Scalzo et al.
patent: 3572966 (1971-03-01), Borden et al.

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