Aeronautics and astronautics – Aircraft – heavier-than-air – Airplane and fluid sustained
Patent
1981-03-05
1985-02-19
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft, heavier-than-air
Airplane and fluid sustained
244 36, 244 53R, 60269, 60737, B64C 2900, B64C 3910
Patent
active
045000522
ABSTRACT:
A liquid fuel prevaporization and backburning induction jet thrust transition tailpipe having a primary inlet adapted to be affixed to a turbojet engine and having a diverging area in the transition tailpipe formed of vertically converging and horizontally diverging walls terminating in a thrust nozzle, a pair of air plenums for directing an air/ram flow into the main airflow path having a bellmouth shaped inlet which communicates with an airflow inducing nozzle which terminates in a chamber having a downstream end opening forming a secondary inlet to the diverging area, a plurality of parallel, vertically spaced curved inductor vanes positioned in the secondary inlets and which are adapted to deflect a secondary airflow passing through the bellmouth shaped airflow inducing nozzle, chamber and secondary inlet into a path through the diverging area which is substantially directed towards the thrust nozzle, an upper and lower liquid fuel prevaporization chambers, fuel injectors, and gas outlets, a vaporized gas distributing manifold having discharge openings positioned ahead of the horizontally diverging portion of the thrust nozzle which is adapted to direct a vaporized gas flow into and to be mixed with the airstream within the diverging area and which is responsive to the airstream passing over the discharge openings to produce a vacuum within the prevaporization chambers and an ignitor positioned adjacent the discharge outlets at the vaporized gas-air mixing point which ignites the vaporized gas-air mixture such that the ignited vaporized gas-air mixture combustion occurs in the thrust nozzle is shown.
REFERENCES:
patent: 2882679 (1959-04-01), Karcher et al.
patent: 2920445 (1960-01-01), Bailey
patent: 3261571 (1966-07-01), Pinnes
patent: 3483699 (1969-12-01), Harvey
patent: 4168044 (1979-09-01), Rethorst
patent: 4222232 (1980-09-01), Robinson
Barefoot Galen L.
Meaney, Jr. Daniel J.
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