Apparatus for selectively reversing the thrust of front fan jet engines

Claim 1

A THRUST REVERSER MECHANISM FOR TURBO FAN BYPASS ENGINES WITH A FAN EXHAUST DUCT DISPOSED ABOUT THE ENGINE COMPRESSOR COWL, COMPRISING IN COMBINATION: (A) A PLURALITY OF BLOCKER VANES PIVOTALLY MOUNTED IN SAID FAN EXHAUST DUCT ON RADIALLY POSITIONED PIVOT POINTS FOR ACCOMPLISHING CLOSURE AND OPENING OF SAID FAN EXHAUST DUCT, (B) AN ACTUATION RING MEMBER MOVABLY MOUNTED ON SAID ENGINE ADJACENT SAID RADIALLY POSITIONED PIVOT POINTS, (C) LINKAGE MEANS PIVOTALLY CONNECTING SAID BLOCKER VANES WITH SAID ACTUATION RING MEMBER FOR TRANSMITTING MOVEMENT FROM SAID RING MEMBER TO SAID BLOCKER VANES, (D) SAID RING MEMBER CONNECTED WITH ASSOCIATED ACTUATING MEANS FOR INDUCING ROTATING MOTION TO SAID RING MEMBER, AND (E) CASCADE MEANS HAVING A PLURALITY OF AIR DEFLECTING FOILS, PIVOTALLY AND RADIALLY MOUNTED IN AND ABOUT SAID FAN EXHAUST DUCT AND COOPERATING WITH SAID BLOCKER VANES SO THAT MOVEMENT OF SAID BLOCKER VANES INDUCES MOVEMENT OF SAID CASCADE MEANS DEFLECTING FOILS.