Afterburner combustion structure

Claim 1

IN AN AFTERBURNER STRUCTURE FOR AN ENGINE HAVING VALVED AND CHAMBERED CYLINDER HEAD AND A COMMUNICATING EXHAUST MANIFOLD TO RECEIVE AND CONDUCT THERETHROUGH QUANTA OF EXHAUST GASES CONTAINING UNBURNED FUEL AS THE PRODUCTS AND BY-PRODUCTS OF COMBUSTION IN SAID ENGINE, AN INSERT BODY IN THE EXHAUST CHAMBER OF SAID CYLINDER HEAT DISPOSED IN RELATIVELY ADJACENT SURMOUNTING RELATIONSHIP OVER AND ABOUT AN EXHAUST VALVE PORT, SAID INSERT BODY HAVING AN INNER SHELL DEFINING AN EXHAUST GAS RECEIVING CHAMBER OVER SAID EXHAUST VALVE PORT AND ADJACENT THE VALVE SEAT, AN OUTER SHELL CONJOINED TO SAID INNER SHELL AT THEIR PERIPHERAL PORTIONS AND SPACED APART FROM SAID INNER SHELL MEDIALLY TO DEFINE AN AIR PASSAGEWAY THEREBETWEEN, AT LEAST ONE EXHAUST GAS EDUCTOR DISPOSED TRANSVERSELY OF SAID INSERT THROUGH SAID INNER AND OUTER SHELLS AND COMMUNICATING WITH SAID AIR PASSAGEWAY THEREBETWEEN, AND AN OPENING THROUGH SAID OUTER SHELL COMMUNICATING WITH SAID AIR PASSAGEWAY, AND AN AIR SUPPLY CONDUIT TO SERVE SAID EDUCTOR HAVING AN AIR DISCHARGE PORTION DISPOSED IN SAID OUTER SHELL OPENING AN COMMUNICATING WITH SAID AIR PASSAGEWAY AND AN AIR INTAKE PORTION DISPOSED OUTWARDLY OF SAID MANIFOLD.