Turbojet engine having a thrust reverser door and variable exhau

Details Turbojet engine having a thrust reverser door and variable exhau Turbojet engine having a thrust reverser door and variable exhau

1988-11-01

1989-09-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With means controlling amount, shape or direction of...

23926537, 244 125, B64C 1506

Patent

active

048652563

ABSTRACT:
A thrust reversing system acting on a cold flow air duct of a turbofan-type turbojet engine is disclosed wherein the thrust reversing doors conform to a turbojet engine housing formed as a body revolution about a central longitudinal axis. The thrust reversing doors function to selectively divert the air passing through the cold flow air duct into a reverse thrust direction and also serve to vary the cross-section of the air duct. When the thrust reversing doors are in the forward thrust position, the downstream edges of the doors may be adjusted in a radial direction to vary the cross-section of the duct. The thrust reversing door is pivotable about a pair of axes, which may extend generally transverse to the longitudinal axis of the engine. The door is pivotally attached to a pair of link arms by a primary pivot which defines the first pivot axis. The link arms are attached to a fixed portion of a turbojet engine structure by a secondary pivot which define the second pivot axis. Individual actuators are provided for moving the door about the first pivot axis and for moving the link arms about the second pivot axis.

REFERENCES:
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patent: 3434666 (1969-03-01), Shaw
patent: 3570247 (1971-03-01), Dennign et al.
patent: 3598318 (1971-08-01), Schiel
patent: 3612400 (1971-10-01), Johnson
patent: 3973731 (1974-08-01), Thayer
patent: 4093122 (1978-06-01), Lindermann et al.
patent: 4194692 (1980-03-01), Dickenson
patent: 4641782 (1987-02-01), Woodward

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