Exhaust duct and tail cone attachment of aircraft engines

Details Exhaust duct and tail cone attachment of aircraft engines Exhaust duct and tail cone attachment of aircraft engines

2011-05-31

2011-05-31

Cuff, Michael (Department: 3741)

Power plants

Reaction motor

Particular exhaust nozzle feature

C060S039500, C239S265190, C181S213000

Reexamination Certificate

active

07950236

ABSTRACT:
An annular exhaust duct of a gas turbine engine includes inner and outer cases co-axially disposed, and radially spaced apart by a plurality of airfoils radially extending therebetween. The outer case includes a connection apparatus for supportably connecting the exhaust duct to the gas turbine engine and the inner case includes an axial end portion at a rear end thereof for connection with a tail cone. The axial end portion bends radially and inwardly at a rear extremity thereof to stiffen the rear end of the inner ease.

REFERENCES:
patent: 4989406 (1991-02-01), Vdoviak et al.
patent: 5076049 (1991-12-01), Von Benken et al.
patent: 5088279 (1992-02-01), MacGee
patent: 5292227 (1994-03-01), Czachor et al.
patent: 2005/0241290 (2005-11-01), Lapergue et al.
patent: 2006/0010852 (2006-01-01), Gekht et al.
patent: 2007/0059994 (2007-03-01), Hutter, III

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