Patent ID: 6151885
Filing Date: 2000-11-28
Classification: F02K,Y02T

Abstract:
A turbojet-engine thrust reverser, comprising:a stationary structure defining an upstream part of a cowling of a turbojet engine;an axially displaceable, annular structure located downstream of the stationary structure which forms a downstream external part of the cowling and a downstream part of a radial outer wall bounding a flow path of the turbojet engine, said displaceable structure being affixed to a casing of the turbojet engine;a plurality of stationary pivots supported on the stationary structure;two displaceable, internal clamshells separate from the displaceable structure and which are pivotable on the plurality of pivots to extend into a position in a thrust-reversal mode wholly contained within the outer radial surface of the stationary structure to constitute flow-deflecting baffles by joining edge to edge along a longitudinal turbojet engine axis to provide thrust reversal; anda displacement mechanism supported by the stationary structure which controls displacement of the displaceable structure and the clamshells;wherein, in a forward-thrust mode, the displaceable structure forms the totality of a trailing edge by covering the clamshells such that the clamshells also form part of the radial outer wall of the flow path and in a reverse-thrust mode, the displacement mechanism axially displaces the displacement structure to clear a passageway in the cowling for flow deflected between the stationary structure and an upstream edge of the displaceable structure.