Seal means for a movable centerbody in a two dimensional nozzle

Details Seal means for a movable centerbody in a two dimensional nozzle Seal means for a movable centerbody in a two dimensional nozzle

1976-12-16

1978-09-05

Garrett, Robert E.

Power plants

Reaction motor

With thrust direction modifying means

60266, 60271, 23926519, F02K 112, F02K 1104

Patent

active

041109724

ABSTRACT:
This invention relates to sealing means for a movable centerbody having collapsible panels located in the two-dimensional exhaust nozzle of a jet engine so that movement of the centerbody and collapsing its walls serves to provide thrust vectoring, variable geometry and internal nozzle expansion. Cooling air supplied internally of said centerbody is utilized to pressurize the seal to assure that the jet exhaust does not ingress into the centerbody cavity or cooling air does not indiscriminately egress therefrom.

REFERENCES:
patent: 3774868 (1973-11-01), Goetz
patent: 4000612 (1977-01-01), Wakeman et al.
patent: 4037405 (1977-07-01), Huenniger et al.

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