Exhaust nozzle assembly

Details Exhaust nozzle assembly Exhaust nozzle assembly

2006-12-27

2010-02-23

Casaregola, Louis J (Department: 3741)

Power plants

Reaction motor

With thrust direction modifying means

C239S265310

Reexamination Certificate

active

07665294

ABSTRACT:
Apparatus including an exhaust nozzle assembly having a translatable structure operable to open and close a flow diverting port in an exhaust duct. The translatable structure includes a forward region partly defining a converging nozzle region. The translatable structure includes a rearward region partly defining a diverging nozzle region. The forward region and the rearward region join at an inner edge that partly defines a throat constriction. The translatable structure is translatable between a plurality of operational positions each associated with a longitudinal position of the throat constriction. In a first operational position, the flow diverting port is fully closed. In a second operational position, the flow diverting port is fully opened. In a first intermediate operational position, the flow diverting port is fully closed. In a second intermediate operational position, the flow diverting port is at least partly opened. The cross-sectional area of the exhaust duct may vary with the longitudinal position of the throat constriction.

REFERENCES:
patent: 5092525 (1992-03-01), Roach et al.
patent: 5794434 (1998-08-01), Szupkay
patent: 6546715 (2003-04-01), Blevins et al.
patent: 6663042 (2003-12-01), Hatrick et al.
patent: 6938408 (2005-09-01), Lair
patent: 2005/0229586 (2005-10-01), Whurr
patent: 2008/0155960 (2008-07-01), Hauer et al.

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