Combustor diffuser

Details Combustor diffuser Combustor diffuser

1976-11-15

1989-01-10

Walsh, Donald P.

Power plants

Combustion products used as motive fluid

Combustion products generator

F02C 100

Patent

active

047964294

ABSTRACT:
A combustor diffuser assembly for a gas turbine engine includes a prediffuser for receiving compressed air from a gasifier impeller of a gas turbine engine and for directing it into the inlet of a vortex controlled downstream diffuser and wherein the prediffuser and vortex controlled diffuser are spaced to form gaps for air bleed to form vortices to minimize bleed and main diffuser flow pressure drop and to minimize distortion in compressed air flow to plural passages leading to primary and secondary air openings in the inner and outer walls of an annular combustor assembly for the gas turbine engine.

REFERENCES:
patent: 2556161 (1951-06-01), Bailey et al.
patent: 2807316 (1957-09-01), Jackson
patent: 2988886 (1961-06-01), Hamm et al.
patent: 3736746 (1973-06-01), DuBell et al.
patent: 3777489 (1973-12-01), Johnson et al.
patent: 3811278 (1974-05-01), Taylor et al.
patent: 3853273 (1974-12-01), Bahr et al.
"A Short Diffuser with Low Pressure Loss", by R. C. Adkins presented at ASME-CSME Fluids Engineering Conference, May 13-15, 1974, Montreal, Quebec, Canada.

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