Patent ID: 8919668
Filing Date: 2014-12-30
Classification: F02K,Y02T

Abstract:
1. A thrust reverser for a turbine engine nacelle comprising: a cascade grid mounted to the nacelle and configured to deflect at least one portion of an airflow of the turbine engine, and; at least one translationally movable cowl along a substantially longitudinal direction of the nacelle, the at least one translationally movable cowl capable of alternately passing from a closing position to an opening position, wherein in the closing position, said at least one translationally movable cowl provides an aerodynamic continuity of the nacelle and covers the cascade grid, and in the opening position, said at least one translationally movable cowl opens a passage in the nacelle and uncovers said cascade grid; and an internal panel configured to translate along said longitudinal direction and causes blocking flaps to pivot, wherein said at least one translationally movable cowl comprises at least one variable nozzle section arranged in an extension of said at least one translationally movable cowl and wherein said at least one translationally movable cowl is equipped with at least one locking means capable of cooperating with an additional locking means of said internal panel so as to mechanically link said internal panel to said at least one translationally movable cowl; wherein the locking means and the additional locking means comprise at least one movably mounted ratchet compressed against an elastic return means, the at least one movably mounted ratchet capable of moving between an engagement position and a disengagement position, wherein in the engagement position, the at least one movably mounted ratchet firmly attaches said internal panel to said at least one translationally movable cowl to pivot said blocking flaps and in the disengagement position, the at least one movably mounted ratchet releases the internal panel from said at least one translationally movable cowl for a variable nozzle mode, the elastic return means tending to bring the at least one movably mounted ratchet back into said engagement position, said at least one movably mounted ratchet being maintained in the disengagement position via at least one pin mounted on a fixed structure of the thrust reverser, wherein in said variable nozzle mode, said at least one translationally movable cowl translates while said internal panel remains fixed.