Variable geometry nozzle with thrust reverser for a turbomachine

Details Variable geometry nozzle with thrust reverser for a turbomachine Variable geometry nozzle with thrust reverser for a turbomachine

1982-04-07

1984-08-07

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With addition of secondary fluid upstream of outlet

23926529, 23926537, F02K 112, F02K 132, F02K 160

Patent

active

044639023

ABSTRACT:
A nozzle for a gas turbine aero engine comprises two spaced inner and outer ducts 16,19 with a mechanism for varying the geometry of the nozzle exit. Air inlet openings 21 are provided downstream of the ducts. The mechanism comprises two pairs of mutually confronting doors 22,23 downstream of the ducts 16,19 and two pairs of pivotal flaps 26,27 mounted downstream of the doors 22,23. The inner doors 23 are provided with a convoluted mixer chute assembly 24 and serve to define the throat of the nozzle whereas the outer doors 22 serve to close off the air inlets 21 or open them, and also form a thrust reverser. The pressures acting on flaps 26,27 cause them to readjust their attitude to form a parallel or divergent part of the nozzle.

REFERENCES:
patent: 3734411 (1973-05-01), Wolf et al.

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