Gas turbine exhaust nozzle flap and flap seal apparatus

Details Gas turbine exhaust nozzle flap and flap seal apparatus Gas turbine exhaust nozzle flap and flap seal apparatus

1996-07-23

1998-11-24

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With means controlling amount, shape or direction of...

23926539, 23926543, 277235A, B05B 1200

Patent

active

058396632

ABSTRACT:
An exhaust nozzle for a gas turbine engine is provided which includes a plurality of flaps and an abradable coating. Each flap includes seal surfaces with depressions disposed therein. The flaps are disposed about a structure within the engine, and are pivotly attached to that structure. Adjacent flaps overlap along the seal surfaces, and movement of the nozzle causes relative motion between the adjacent flaps. The abradable coating is attached to the seal surfaces, and contact between adjacent flaps causes the abradable coating to abrade. The remaining abradable coating fills the depressions within the seal surfaces.

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