Power plants – Reaction motor – Interrelated reaction motors
Patent
1991-08-21
1994-05-10
Bertsch, Richard A.
Power plants
Reaction motor
Interrelated reaction motors
244110B, 23926529, 23926531, F02K 302
Patent
active
053097114
ABSTRACT:
A cascade type fan jet engine thrust reverser system. A radially arranged opening is provided along the aft edge the of fan cowl of a fan jet engine. Cascade sets each including a plurality of turning vanes are fixedly positioned in each opening. A blocking door and an actuating linkage system are positioned flush with the inner wall of the fan cowl adjacent to the openings, with the linkage system substantially out of the air flow path during normal engine operation. A sleeve like member covers the outer surface of the cascade sets and at least partially covers the stowed linkage system. When reverse thrust is desired, the sleeve is caused to translate aft, uncovering the cascade set and linkage. The linkage system is caused to move the blocking doors to positions where air flow through the fan cowl is substantially blocked and diverted out through the cascade sets in an outward and reverse direction. Upon completion of thrust reversal operation, these components are returned to the stowed position.
REFERENCES:
patent: 3262268 (1966-07-01), Beavers
patent: 4145877 (1979-03-01), Montgomery
patent: 4216926 (1980-08-01), Lawson
patent: 4807434 (1989-02-01), Jurich
Bertsch Richard A.
Gilliam Frank D.
Rohr Inc.
Schlesinger P. J.
Wicker W. J.
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