United Technologies Corporation

Timothy A Swanson

Sean P Zamora

Shawn M McMahon

Alex J Simpson

Robert H Bush

Michael Joseph Murphy

Andreas Sadil

Dale William Petty

Roger O Coffey

Robert T Brooks

Debora F Kehret

James E Jones

Carl T Elving

Shawn M Mcmahon

Stefan M Poth

A flexible panel assembly for a gas turbine engine selectively exhibits a range of positions to regulate exhaust of the engine.

Gas turbine engine systems involving variable nozzles with flexible panels

A mechanism included in a convergent-divergent nozzle connected to an aft portion of a gas turbine engine, which mechanism includes a convergent flap configured to be kinematically connected to the aft portion of the gas turbine engine, a divergent flap pivotally connected to the convergent flap and configured to be kinematically connected to the aft portion of the gas turbine engine, at least one actuator configured to be connected to the aft portion of the gas turbine engine and to mechanically prescribe the position of the convergent flap and the divergent flap by moving through one or more positions, and at least one biasing apparatus. The biasing apparatus is configured to position at least one of the convergent flap and the divergent flap independent of the positions of the actuator by substantially balancing a force on the at least one of the convergent flap and the divergent flap produced by a gas pressure on the nozzle.

Nozzle-area ratio float bias

A nozzle assembly for a gas turbine engine includes a door axially slidable relative to a passage in communication with a secondary flow path to regulate the secondary flow though the passage.

Gas turbine engine systems involving variable nozzles with sliding doors

A rotational flow balance system includes an actuator system which controls operation of both a fan duct blocker ring and a modulated exhaust cooling ring through a kinematic system. The kinematic system is controlled by the single actuator system such that the modulated exhaust cooling ring will remain in a fixed position while the fan duct blocker ring can be moved to satisfy operational requirements.

Single actuator controlled rotational flow balance system

A vernier duct blocker comprising a plurality of vanes each having a width and comprising a forward portion and an aft portion defining a plurality of gas paths each of the plurality of vanes being separated by a plurality of widths, and a rotatably movable ring interposed between the forward portion and the aft portion comprising a plurality of openings each having a width, wherein the width of one of the plurality of vanes differs from the width of another one of the plurality of vanes.

Vernier duct blocker

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Coventry, CT, United States of America

Timothy A Swanson