Seal for variable plug two dimensional nozzle

Details Seal for variable plug two dimensional nozzle Seal for variable plug two dimensional nozzle

1977-08-16

1978-06-06

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft power plants

60230, 60266, 2391273, F02K 1104

Patent

active

040931579

ABSTRACT:
This invention relates to a seal adapted to prevent leakage at the interface of a movable plug with articulated panels and the side wall of a two-dimensional nozzle for a gas turbine engine. The seal prevents the high pressure cooling air internal of the plug from escaping to the lower pressure exhaust gases and comprises judiciously located dam-like members installed in the vent slots in the side wall fabricated from Finwall.RTM. material which material achieves indirect heat exchange relation and film cooling.

REFERENCES:
patent: 3774868 (1973-11-01), Goetz
patent: 3970252 (1976-07-01), Smale et al.
patent: 3981448 (1976-09-01), Demogenes et al.

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