Power plants – Reaction motor – Including motive fluid treating means
Patent
1984-09-25
1985-08-27
Croyle, Carlton R.
Power plants
Reaction motor
Including motive fluid treating means
60271, 60 395, 2391273, 23926517, 23926519, F02K 108, B64D 3304
Patent
active
045370265
ABSTRACT:
Jet propulsion powerplant comprising a gas producer 11 having a first flow duct 12 for receiving the output of the gas producer 11. The flow duct 12 includes a nozzle 13 having a center body 16 which has an upstream part 17 and a downstream part 20. Motors 22 are provided for expanding and contracting the downstream part 20 relative to the upstream part 17. A second flow duct 33 having an inlet 30 openable to airflow and connected to the interior of said upstream part 17 is provided. An outlet 24 from the interior of the upstream part 17, is provided at the downstream end of the upstream part 17. The outlet 24 opens into the interior of the first flow duct 12 by contracting the downstream part 20 relative to the upstream part 17. By such an arrangement, infrared radiation may be suppressed when necessary by opening the inlet for air flow and controlling the upstream and downstream parts so that there can be a mixing of air with exhaust gases which reduces the mean temperature of the exhaust gases.
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Croyle Carlton R.
Rolls-Royce Inc.
Simenauer Jeffrey A.
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