Power plants – Combustion products used as motive fluid – With exhaust treatment
Patent
1976-08-23
1978-06-20
Garrett, Robert E.
Power plants
Combustion products used as motive fluid
With exhaust treatment
60 3966, 60264, 2391273, 23926517, F02C 718
Patent
active
040954170
ABSTRACT:
An apparatus for and method of suppressing infrared radiation emitted from hot metal parts at the aft end of a gas turbine engine and from the exhaust gas plume thereof during engine operation is provided and comprises a multiple purpose ejector vane assembly operatively attached to the engine for introducing cooling ambient air into the hot engine exhaust gases and hiding the hot metal parts and means attaching the vane assembly to the engine with the vane assembly comprising a duct structure for receiving and confining the engine exhaust gases and a plurality of radial ejector vanes supported by the duct structure for introducing cooling ambient air into hot engine exhaust gases during engine operation by ejector action while simultaneously imparting a spiral swirl to both the cooling ambient air and the exhaust gases with the swirl promoting mixing of ambient air within the duct structure and causing additional entrainment of ambient air downstream of the duct structure.
REFERENCES:
patent: 3210934 (1965-10-01), Smale
patent: 3802187 (1974-04-01), Titus
patent: 3815360 (1974-06-01), Wellinitz
patent: 4007587 (1977-02-01), Banthin et al.
patent: 4018046 (1977-04-01), Hurley
Avco Corporation
Garfinkle Irwin P.
Garrett Robert E.
Gelling Ralph D.
Tassone Joseph V.
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