Convergent-divergent turbojet nozzle

Details Convergent-divergent turbojet nozzle Convergent-divergent turbojet nozzle

2006-02-07

2006-02-07

Gartenberg, Ehud (Department: 3746)

Power plants

Reaction motor

Particular exhaust nozzle feature

C239S265410

Reexamination Certificate

active

06993914

ABSTRACT:
The present invention relates to a convergent-divergent turbojet nozzle (1) comprising driven divergent flaps (4a), follower divergent flaps (4b) interposed between the driven flaps, and means (32) for supplying cooling air to the follower flaps (4b), said follower flaps (4b) having a box structure and having lateral openings for delivering cooling air towards the inner face of said driven flaps (4a), in such a way as to limit the heating up of these flaps when the turbojet is in operation.

REFERENCES:
patent: 3972475 (1976-08-01), Nelson et al.
patent: 3979065 (1976-09-01), Madden
patent: 4081137 (1978-03-01), Sutton et al.
patent: 4171093 (1979-10-01), Honeycutt et al.
patent: 4203286 (1980-05-01), Warburton
patent: 4544098 (1985-10-01), Warburton
patent: 5215257 (1993-06-01), Barcza
patent: 5269467 (1993-12-01), Williams et al.
patent: 5775589 (1998-07-01), Vdoviak et al.

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