Thrust reverser with throat trimming capability

Details Thrust reverser with throat trimming capability Thrust reverser with throat trimming capability

1998-08-31

2000-02-22

Carone, Michael J.

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

60230, 23926519, 411399, 411539, 403 3, B64C 2568

Patent

active

060270713

ABSTRACT:
A thrust reverser comprising a pair of symmetrical thrust reverser doors pivotally mounted on an axis which is substantially diametrically positioned with respect to the exhaust nozzle of an engine, hinge fittings secured to the doors, pivot brackets secured to a fixed part of the engine, pivot bolts securing the hinge fittings of the thrust reverser doors to the pivot brackets and forming the pivot axis for the doors, the pivot brackets having elongated openings formed therein for receiving the pivot bolts, the pivot bolts having elongated shoulders for engaging one of the elongated openings and positioning the pivot bolts therein, and a washer having an elongated boss for engaging another of the elongated openings and thereby positioning the pivot bolt in the elongated openings. A method for carrying out the trimming of the throat area is also disclosed and comprises changing the pivot bolts in order to shift the pivot axis from its original position to a new, offset position.

REFERENCES:
patent: 3684182 (1972-08-01), Maison
patent: 4129269 (1978-12-01), Fage
patent: 4966327 (1990-10-01), Fage et al.
patent: 5176340 (1993-01-01), Lair
patent: 5181676 (1993-01-01), Lair
patent: 5221048 (1993-06-01), Lair
patent: 5294055 (1994-03-01), Garrett et al.
patent: 5310117 (1994-05-01), Fage et al.
patent: 5419515 (1995-05-01), Lair

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