초록 ▼

A linkage for area controlled thrust vectoring comprising of vane cascade (26) having a plurality of vanes (28, 29, 30) pivotable in unison and a flow regulating vane (36) oriented to provide a constant collection gas flow area is provided with a mechanical linkage for orienting the vanes (28, 29, 3

A linkage for area controlled thrust vectoring comprising of vane cascade (26) having a plurality of vanes (28, 29, 30) pivotable in unison and a flow regulating vane (36) oriented to provide a constant collection gas flow area is provided with a mechanical linkage for orienting the vanes (28, 29, 30) and the flow regulating vane (36) responsive to a single linear actuator (59).

대표청구항 ▼

An exhaust gas thrust vectoring vane cascade having a plurality of individual cascade vanes pivotable in unison about a corresponding plurality of pivot axes, the cascade being pivotable over a thrust vectoring range of motion including a first, forward thrust position wherein the cascade vanes are

An exhaust gas thrust vectoring vane cascade having a plurality of individual cascade vanes pivotable in unison about a corresponding plurality of pivot axes, the cascade being pivotable over a thrust vectoring range of motion including a first, forward thrust position wherein the cascade vanes are pitched for discharging a flow of exhaust gas rearwardly, a second, lateral thrust position, wherein the cascade vanes are oriented normally with respect to the cascade for discharging the exhaust gas perpendicular to the vane cascade, and a third, rearward thrust position, wherein the cascade vanes are pitched oppositely for discharging the exhaust gas forwardly, the cascade further being pivotble over a stowing range of motion defined between the first, forward thrust position and a stowed position wherein each vane in the cascade contacts each adjacent vane thereto in an overlapping, gas blocking relationship, means for providing a constant collective gas flow area through the vane cascade over the vectoring range of motion, including: a first flow regulating vane disposed adjacent one end vane of the vane cascade and pivotable about an axis parallel to the pivot axis of the one end vane, means for selectably pivoting the cascade vanes in unison, means for pivoting the first flow regulating vane responsive to the pivoting of the cascade vanes, wherein the first flow regulating vane is oriented to overlap the one end cascade vane when the cascade vanes are in the stowed position, the first flow regulating vane pivots co-rotationally with the cascade vanes over the stowing range of motion, and the first flow regulating vane pivots counter-rotationally with respect to the cascade vanes over the thrust vectoring range of motion, and wherein the means for pivoting the cascade vanes in unison includes: an elongated unison link disposed adjacent the cascade, a plurality of cascade vane drag links, each drag link secured between a corresponding cascade vane and one of a plurality of spaced-apart locations disposed along the unison link, a linear actuator, disposed between a static structure supporting the cascade and unison link, the linear actuator operable for selectably positioning the unison link with respect to the vane cascade, and wherein the means for pivoting the first flow regulating vane includes: means, secured to the unison link, for imparting a bidirectional transverse motion to a driven member responsive to the longitudnal motion of the unison link, said bidirectional motion occurring in a first direction as the unison link moves from the stowed position to the first, forward thrust position, and occurring in a second, opposite direction as the unison link moves sequentially between the first, second, and third positions, and means, linking the driven member and the first flow regulating vane, for pivoting the first flow regulating vane responsive to the bidirectional motion of the driven member.