Gas turbine engine exhaust nozzle having a noise attenuation...

Details Gas turbine engine exhaust nozzle having a noise attenuation... Gas turbine engine exhaust nozzle having a noise attenuation...

2006-02-21

2006-02-21

Rodriguez, William H. (Department: 3746)

Power plants

Reaction motor

Interrelated reaction motors

C060S262000

Reexamination Certificate

active

07000378

ABSTRACT:
A gas turbine engine exhaust nozzle arrangement for the flow of exhaust gases therethrough between an upstream end and a downstream end thereof comprising a nozzle and a plurality of tabs which extend in a generally axial direction from a downstream portion of the nozzle wherein the nozzle further comprises an actuation mechanism capable of moving the tabs between a first deployed position, where the tabs interact with a gas stream to reduce exhaust noise thereof, and a second non-deployed position, where the tabs are substantially aerodynamically unobtrusive.

REFERENCES:
patent: 5150864 (1992-09-01), Roglin et al.
patent: 6314721 (2001-11-01), Mathews et al.
patent: 6318070 (2001-11-01), Rey et al.
patent: 6487848 (2002-12-01), Zysman et al.
patent: 6532729 (2003-03-01), Martens
patent: 6718752 (2004-04-01), Nesbitt et al.
patent: 6735936 (2004-05-01), Rey et al.
patent: 6813877 (2004-11-01), Birch et al.
patent: 2002/0125340 (2002-09-01), Birch et al.
patent: 2004/0154283 (2004-08-01), Rey et al.

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