Variable area nozzle for turbomachines

Details Variable area nozzle for turbomachines Variable area nozzle for turbomachines

1982-02-23

1993-12-28

Bentley, Stephen C.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

F02K 112

Patent

active

052732134

ABSTRACT:
A variable area nozzle for a turbomachine comprising, a duct 25, an axially movable shroud 28 located at the downstream end of the duct 25, at least one circumferential array of plates 30 mounted at their upstream ends on the shroud, and an outer wall 34 surrounding the shroud 28 and the plates 30. The outer wall 34 extends downstream beyond the downstream end of the duct 25 and a plurality of links 36 which are pivotally attached to the outer wall 34 downstream of the downstream end of the duct 25 are provided. Each link 36 is pivotally attached to one of the plates 30. An actuator means 50 which is operable on the shroud 28 to move the shroud 28 along the duct 25 is provided. Axial movement of the shroud cause the plates 30 and the links 36 to pivot about the point of attachment of the links 36 to the outer wall 34 to vary the area of the nozzle. Further circumferential array of plates 37,39 may be provided downstream of the plates 30. The plates 37 are pivotally attached at their upstream ends to the downstream ends of plates 30.

REFERENCES:
patent: 2831321 (1958-04-01), Laucher
patent: 2984068 (1961-05-01), Eatock
patent: 3612400 (1971-10-01), Johnson et al.
patent: 4088270 (1978-05-01), Maiden
patent: 4141501 (1979-02-01), Nightingale

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