Exhaust duct
AssigneeBAE SYSTEMS plc
InventorsJonathan Peter Irving, Stephen Charles Nunn, Colin Whaites
Life of this patent
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Abstract
A jet engine exhaust assembly 20 is disclosed. The exhaust assembly comprises a double-walled exhaust duct 22 comprising an inner wall defining the inner profile of the duct and an outer wall spaced apart from the outer surface of said inner wall to define a cooling space 21 therebetween. The double-walled exhaust duct 20 is a structural load bearing component.
Claims30
A jet engine exhaust assembly comprising:
- a double-walled exhaust duct, the double-walled exhaust duct comprising an inner wall defining the inner profile of the duct and an outer wall spaced apart from the outer surface of said inner wall to define a cooling space therebetween;
- and wherein the double-walled exhaust duct is a structural load bearing component;
- and
- a cooling apparatus configured and arranged to provide cooling fluid into the cooling space, the cooling apparatus comprising a pump and a feed inlet.
A jet engine exhaust assembly comprising a double-walled exhaust duct, the double-walled exhaust duct comprising an inner wall defining the inner profile of the duct and an outer wall spaced apart from the outer surface of said inner wall to define a cooling space therebetween;
- and wherein the double-walled exhaust duct is a structural load bearing component and the double-walled exhaust duct is formed of a plurality of discrete sections, and wherein the cooling space in each section are independently connected to a cooling apparatus.
Dependencies are inferred from the claim text.