Thrust reverser for a high bypass turbofan engine

Details Thrust reverser for a high bypass turbofan engine Thrust reverser for a high bypass turbofan engine

1998-02-11

2000-04-18

Poon, Peter M.

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

244216, 602262, B64C 2568, B64C 916, F02K 302

Patent

active

060505222

ABSTRACT:
A thrust reverser is disclosed for a high bypass ratio turbofan jet engine having a fan cowling forming an outer boundary of an airflow duct and a jet engine structure including a jet engine cowling. The thrust reverser has a casing affixed to the jet engine structure, the casing having a plurality of attaching yokes. A first thrust reverser flap is pivotally connected to a corresponding one of the attaching yokes and is located rearwardly of an exit of the airflow duct, each first thrust reverser flap having a distal end and being movable between a forward thrust position, and a reverse thrust position. A second thrust reverser flap is pivotally connected to the distal end of a corresponding one of the first thrust reverser flaps and is also movable between a forward thrust position, and a reverse thrust position, wherein the second thrust reverser flaps also redirect air flow emanating from the air flow duct. A linkrod connected to a corresponding one of the second thrust reverser flaps and the corresponding attaching yoke moves the second thrust reverser flap between its forward and reverse thrust positions as the corresponding first thrust reverser flap is moved between its forward and reverse thrust positions.

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patent: 3985319 (1976-10-01), Dean et al.
patent: 4698964 (1987-10-01), Glancy
patent: 4702442 (1987-10-01), Weiland et al.
patent: 5852928 (1998-12-01), Vauchel

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