Two dimensional gas turbine engine exhaust nozzle

Details Two dimensional gas turbine engine exhaust nozzle Two dimensional gas turbine engine exhaust nozzle

1984-11-02

1988-06-28

Peters, Jr., Joseph F.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

23926533, 244110B, 60230, F02K 112, F02K 162

Patent

active

047533927

ABSTRACT:
A two dimensional exhaust nozzle for a gas turbine engine having reverse thrust capability includes a pair of spaced apart converging flaps which are able to rotate about their respective axes until their downstream edges meet along the engine centerline to block the flow of gases through the engine and to redirect the flow through fixed area reverser outlet ports. The axes about which each convergent flap rotates are spaced inwardly from their respective convergent flap surfaces. The flaps themselves cover the outlet ports when the flaps are in forward thrust operating positions. The flaps move away from and unblock the outlets as they rotate to their reverse thrust position. The distance between the flap axis and its convergent surface is critical to being able to use short flaps while obtaining large reverser outlet areas.

REFERENCES:
patent: 2944394 (1960-07-01), Peregrine
patent: 3684183 (1972-08-01), Baerresen
patent: 3829020 (1974-08-01), Stearns
patent: 3837411 (1974-09-01), Nash et al.
patent: 3973731 (1976-08-01), Thayer
patent: 4052007 (1977-10-01), Wellard
patent: 4183478 (1980-01-01), Rudolph
Machine Design", vol. 55 (1983), Jan., No. 2, Cleveland, Ohio, pp. 78, 79.

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