Method and linkage for positioning a convergent flap and coaxial

Details Method and linkage for positioning a convergent flap and coaxial Method and linkage for positioning a convergent flap and coaxial

1987-03-27

1988-08-30

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

244110B, 60228, 239 11, B64C 1500

Patent

active

047670550

ABSTRACT:
A convergent/divergent gas turbine engine exhaust nozzle having reverse thrust capability includes a concentric flap (22) and arc valve (36) pivotable about a common axis (34). A method and linkage (48) schedule the opening of the valve (36) in response to rotation of the flap (22) into a blocking position with respect to the normally aftward flow of the exhaust gas (12). The arc valve (36) is accelerated by the linkage (48) to full opening speed prior to unsealing an alternate, thrust reversing flow passage (38).

REFERENCES:
patent: 3512716 (1970-05-01), Kopp
patent: 3558058 (1971-01-01), Lennard et al.
patent: 3608314 (1971-09-01), Colley
patent: 3667680 (1972-06-01), Weed
patent: 4052007 (1977-10-01), Willard
patent: 4375276 (1983-03-01), Konarski
patent: 4591097 (1986-05-01), Thayer
patent: 4605169 (1986-08-01), Mayers
patent: 4641782 (1987-02-01), Woodward
patent: 4690329 (1987-09-01), Maddon

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