Vectoring exhaust nozzle flap and seal positioning apparatus

Details Vectoring exhaust nozzle flap and seal positioning apparatus Vectoring exhaust nozzle flap and seal positioning apparatus

1992-12-14

1995-08-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

B64C 1502

Patent

active

054374111

ABSTRACT:
A flap and seal positioning apparatus for centering adjacent longitudinally extending seals and flaps in the divergent section of an aircraft gas turbine engine axisymmetric vectoring nozzle and for equidistantly spacing the flaps during vectoring. The positioning apparatus provides a plurality of pivotably interlinked levers, preferably linked by universal joints, rotatably mounted on and about centering posts extending radially outward from the backs of the divergent flaps and seals. In one embodiment the flap levers have separate arms that are rotatably linked by a double hinge joint at their common centering post such that the arms rotate freely about an axis parallel to the divergent flap. Another embodiment provides the seal lever with a means to translate freely along its axis of rotation coincident with the centering post upon which it is mounted and has a two part centering post with an inner piston that slides within an outer cylinder.

REFERENCES:
patent: 4128208 (1978-12-01), Ryan et al.
patent: 4641783 (1987-02-01), Camboulives
patent: 4994660 (1991-02-01), Hauer
patent: 5039014 (1991-08-01), Lippmeier
patent: 5076496 (1991-12-01), Lippmeier
patent: 5150839 (1992-09-01), Reedy
patent: 5174502 (1992-12-01), Lippmeier et al.

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