Turbine rotor cooling

Details Turbine rotor cooling Turbine rotor cooling

1986-12-22

1989-01-31

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

415115, F02C 712

Patent

active

048007170

ABSTRACT:
Increased turbine inlet temperatures and/or extended life of turbine rotors in gas turbine engines is achieved by locating a plurality of passages 50 that extend axially in the disc 46 and turbine blades 32 of a so-called monorotor. The passages 50 have inlets 54 between compressor blades 18 on the rotor 20 and exit openings 52 in the free edges 38 of the turbine blades 32. Thus, air compressed by the compressor blades 18 is flowed through the passages 50 to cool the rotor 20.

REFERENCES:
patent: 2709893 (1955-06-01), Birmann
patent: 2873945 (1959-02-01), Kuhn
patent: 3009682 (1961-11-01), Johnson
patent: 3582232 (1971-06-01), Okapuu
patent: 4416581 (1983-11-01), Geary, Jr.

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