Thrust reverser for a turbojet where the reversing shells are balanced to stay in the closed position

摘要

The system consists of hinged flaps (16) which form part of the outer wall of the turbine exhaust during direct thrust and deploy to deflect the exhaust flow outwards and forwards. The flaps are hinged on pivots (19) on fixed lateral bars (10) which are broad along their whole length. They have a width in front of the pivots which is greater than the distance between the pivot's axes. The ratio of the width of the bar to its length is at least 0.60 : 1. The axes of the pivots on the beam are situated in line with the centre of thrust, so that in the direct flow mode the flaps have a tendency towards automatic closure. The rear ends (15,18) of the bar and flaps lie in line with one another. The bar's outer surfaces lie within the lines of the engine nacelle, tapering at the back as it streamlines.