In-flight reverser

Details In-flight reverser In-flight reverser

1991-12-13

1992-11-10

Barefoot, Galen

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

23926527, 23926529, 60230, 244 52, 244 23D, F02K 142

Patent

active

051617528

ABSTRACT:
Increased aircraft control is achieved by combining reverse thruster operation with splay capability. Each of the four door sets has a pair of vanes controllable to various parallel positions. Maximum opening at 26.degree. from the vertical decreases in each direction from the maximum position. The vanes may be controlled to effect yaw and pitch control while maintaining a constant total effective flow area. Back pressure on the turbine is thereby unaffected.

REFERENCES:
patent: 2797547 (1957-07-01), Meulien et al.
patent: 2964905 (1961-12-01), Hewson et al.
patent: 3333793 (1967-08-01), Opfa, Jr. et al.
patent: 3388878 (1968-06-01), Peterson et al.
patent: 3806068 (1986-05-01), Thayer
patent: 4605169 (1986-08-01), Mayers
patent: 4641782 (1987-02-01), Woodward
patent: 4760960 (1988-08-01), Ward et al.
patent: 4767055 (1988-08-01), Ward
patent: 4836451 (1989-06-01), Herrick et al.

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