Power plants – Reaction motor – Interrelated reaction motors
Patent
1980-08-25
1983-10-04
Hart, Douglas
Power plants
Reaction motor
Interrelated reaction motors
60230, 23926529, 23926531, F02K 100, F02K 302, B64C 1500
Patent
active
044071205
ABSTRACT:
A thrust reverser for the gas stream of a turbofan jet aircraft engine. The engine having a surrounding cowl section which forms a duct therebetween for engine gases. The surrounding cowl is divided into two sections, a forward fixed in position section and an aft translatable section. The thrust reverser operating mechanism comprises a plurality of reverser or blocker doors rotatable in and out of the duct. The operation mechanism of each of the reverser blocker doors comprises a pinion gear rotatable about a central axis which engages a pair of opposing gear racks, one gear rack attached to the forward fixed in position cowl section and the other attached and translated with the aft translated cowl section and link members interconnecting the pinion gear, where they have an off center pivotal attachment, and the reverser or blocker doors where they have a like pivotal attachment. The translation of the aft cowl section causes the reverser or blocker doors to rotate in and out of the duct, simultaneously providing an opening between the cowl section and respectively uncovering or covering a flow reversing cascade ring.
REFERENCES:
patent: 3500646 (1970-03-01), Hom
patent: 3511055 (1970-05-01), Timms
patent: 3759467 (1973-09-01), Roudil
Gilliam Frank D.
Hart Douglas
Rohr Industries, Inc.
Schlesinger Patrick J.
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