Air mingling sound suppressor for jet engine

Claim 1

A PORTABLE WATERLESS NOISE SUPPRESSOR FOR USE ON A JET ENGINE EXHAUST NOZZLE COMPRISING, COUPLING MEMBER FUNNELING THE END OF SAID NOZZLE TO RECEIVE EXHAUST GASES AND SPACED THEREFROM TO FORM AN EJECTOR COOLING AIR INLET PASSAGE AROUND SAID NOZZLE, AN EJECTOR-SUPPRESSOR COMPONENT CONNECTED TO SAID MEMBER, A TUBULAR MIXER SECTION CONNECTED TO SAID COMPONENT, AN OUTER CASING SPACED FROM SAID COMPONENT AND MIXER TO FORM A PASSAGE FOR SECONDARY AIR, SAID COMPONENT BEING PERIPHERALLY CORRUGATED, THE CORRUGATIONS INCREASING IN RADIAL DEPTH IN THE DOWNSTREAM DIRECTION TO FROM ALTERNATE OUTER CONVERGING DUCTS CONNECTED TO SAID SECONDARY AIR PASSAGE AND INNER DIVERGING EXHAUST GAS DUCTS CONNECTED TO SAID COUPLING MEMBER INTERIOR, LOUVERS IN THE WALLS OF SAID DUCTS TO DIRECT SOME SECONDARY AIR FROM THE CONVERGING DUCTS AS A COOLING FILM ALONG THE WALLS OF THE DIVERING DUCTS WITH SAID EJECTOR COOLING AIR, SAID DUCT DISCHARGING INTO SAID MIXER, A DIFFUSER SECTION CONNECTED TO SAID MIXER AND A PLENUM CONNECTED TO SAID DIFFUSER AND DISCHARGING TO ATMOSPHERE.