Compressor bleed system

Details Compressor bleed system Compressor bleed system

1975-09-19

1977-02-22

Husar, C. J.

Rotary kinetic fluid motors or pumps

Method of operation

415 88, 415116, 416 95, 60 3966, F01D 2512

Patent

active

040089770

ABSTRACT:
Methods and apparatus for flowing cooling air from the compressor section to the turbine section of a gas turbine engine are disclosed. Cooling air from the compressor is flowed radially inward through the compressor drum cavity and thence axially rearward along the rotor shaft to the turbine. Vortex pressure losses in the drum cavity are diminished to enable effective utilization of a lower pressure, lower temperature cooling air source. The use of air from the lower pressure, lower temperature source improves the overall engine operating efficiency while maintaining turbine cooling rates which are consonant with durable operation of the engine.

REFERENCES:
patent: 2618433 (1952-11-01), Loos et al.
patent: 2636665 (1953-04-01), Lombard
patent: 2830751 (1958-04-01), Quinn et al.
patent: 2858101 (1958-10-01), Alford
patent: 3043561 (1962-07-01), Scheper, Jr.
patent: 3099134 (1963-07-01), Calder et al.

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