Cascadeless fan thrust reverser with plume control
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United States of America Patent
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Nov 29, 2005
Grant Date -
Apr 29, 2004
app pub date -
Oct 29, 2002
filing date -
Oct 29, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A thrust reverser for a turbofan engine having an air duct defined radially inwardly by a wall around the turbofan engine and radially outwardly in part by a fan cowl of the engine. A bulkhead is adapted to be mounted on the fan cowl having a shaped surface defining an upstream wall. A translating cowl is supported for movement axially between a closed position substantially adjacent the bulkhead and an open position spaced axially apart from the bulkhead so as to form an outlet for discharge of air from the air duct. The translating cowl has a first wall and a kicker plate defining a shaped surface. The kicker plate and/or the bulkhead may have a dimension which varies at different radial locations about a circumference of the translating cowl to selectively control the forward component of velocity of the air discharged from the air duct. A plume control device may extend longitudinally across the outlet to divide the air discharged from the air duct into a plurality of plumes. A vane spaced axially aft from the bulkhead has an airfoil section to guide air to the outlet in order to control turning and area match when the translating cowl is in the deployed position.
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