Power plants – Reaction motor – Interrelated reaction motors
Reexamination Certificate
2006-10-17
2009-12-29
Cuff, Michael (Department: 3741)
Power plants
Reaction motor
Interrelated reaction motors
C060S771000, C239S265390
Reexamination Certificate
active
07637095
ABSTRACT:
A thrust vectorable fan variable area nozzle (FVAN) includes a synchronizing ring, a static ring, and a flap assembly mounted within a fan nacelle. An actuator assembly selectively rotates synchronizing ring segments relative the static ring to adjust segments of the flap assembly to vary the annular fan exit area and vector the thrust through asymmetrical movement of the thrust vectorable FVAN segments. In operation, adjustment of the entire periphery of the thrust vectorable FVAN in which all segments are moved simultaneously to maximize engine thrust and fuel economy during each flight regime. By separately adjusting the segments of the thrust vectorable FVAN, engine trust is selectively vectored to provide, for example only, trim balance or thrust controlled maneuvering.
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Hanson Russell B.
Winter Michael
Carlson & Gaskey & Olds PC
Cuff Michael
United Technologies Corporation
Wongwian Phutthiwat
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