Power plants – Reaction motor – Including heat exchange means
Patent
1978-10-30
1980-05-20
Garrett, Robert E.
Power plants
Reaction motor
Including heat exchange means
60271, 23926517, 23926539, F02K 112
Patent
active
042032865
ABSTRACT:
A cooling control system for a convergent-divergent gas turbine exhaust nozzle which permits automatic ducting of cooling air during the augmented mode of engine operation. The convergent flaps of the nozzle have longitudinal ducts embedded therein with a pair of openings near the aft extreme of each of the convergent flaps and openings located in the forward half of the convergent flaps. The convergent seals overlap the convergent flaps and are slideably mounted for positioning over the aft openings on the flaps. A positive pressure is generated under the convergent flap liner and seal liner when the convergent seal is opened to allow cooling air to be ducted through the flap. The positive pressure forces the convergent flap and seal liners up toward the center line of the nozzle.
REFERENCES:
patent: 3214905 (1965-11-01), Beavers et al.
patent: 3972475 (1976-08-01), Nelson et al.
patent: 3979065 (1976-09-01), Madden
patent: 4000612 (1977-01-01), Wakeman et al.
patent: 4043509 (1977-08-01), McHugh et al.
patent: 4074523 (1978-02-01), Holler et al.
patent: 4081137 (1978-03-01), Sutton et al.
Garrett Robert E.
Rusz Joseph E.
Stepanishen William
The United States of America as represented by the Secretary of
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