Exhaust gas nozzle including a cooling air diverter

Details Exhaust gas nozzle including a cooling air diverter Exhaust gas nozzle including a cooling air diverter

1987-05-04

1988-05-10

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle with jacketed or hollow...

2391273, 23926529, 60266, B64D 3304, B63H 11117

Patent

active

047429615

ABSTRACT:
A cooling air diverter (8) is responsive to exhaust nozzle configuration, directing cooling air (2) to a reverser vane isolation valve (9) during forward thrust operation, and to a conduit (10), which forms part of a reverser vane access passage (17), during reverse thrust operation. The cooling air diverter includes a pivotal arm assembly (18) with inner (22) and outer (23) flaps independently movable about a first common hinge (19), and a floating flap (24) pivotable about a second hinge (25) fastened at the outward end of the inner flap. Flap movement and position is determined by contact with the isolation valve, which moves in response to thrust redirection. By utilizing an existing movable nozzle member to actuate the diverter, directional control of the cooling airflow is achieved without requiring additional actuators or complex mechanical control devices, minimizing complexity and optimizing nozzle weight.

REFERENCES:
patent: 3837411 (1974-09-01), Nash et al.
patent: 3949550 (1976-04-01), Albrecht et al.
patent: 4081137 (1978-03-01), Sutton et al.
patent: 4098076 (1978-07-01), Young et al.
patent: 4575006 (1986-03-01), Madden
patent: 4643356 (1987-02-01), Holler et al.

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