Patent ID: RE39972

Claim:
An integrated muffler and exhaust cone for use in an aircraft tailcone having a gas turbine engine mounted therein, comprising: an exhaust cone portion of an aircraft tailcone extending from a forward end to and an aft end that opens to ambient, said exhaust cone portion defining an interior chamber, said exhaust cone portion further having a bulkhead at the forward end that fluidly isolates the interior chamber from the remainder of said tailcone; said bulkhead also having an aperture; a solid casing defining a conduit having a first end extending through said aperture for coupling , said first end being arranged and structured to mechanically couple to the an exhaust of the gas turbine engine for receiving the exhaust gas from said engine and a second end extending to said open aft end for porting the exhaust gas from said engine out of said tailcone , wherein at least a portion of said conduit is porous ; and a plurality of baffles circumscribing said casing conduit , each of said baffles fluidly isolated from in fluid communication with the hot gas flowing in said conduit by said solid casing .