Variable area convergent-divergent nozzle

Claim 1

A VARIABLE AREA CONVERGENT-DIVERGENT EXHAUST NOZZLE FOR AN AIRCRAFT JET ENGINE HAVING A PRIMARY EXHAUST DUCT AND AN OUTER HOUSING, SAID NOZZLE INCLUDING: A FIRST PLURALITY OF LONGITUDINALLY-EXTENDING MOVABLE MEMBERS FORMING THE CONVERGENT PORTION OF SAID NOZZLE, THE DOWNSTREAM ENDS OF SAID FIRST PLURALITY OF MOVABLE MEMBERS DEFINING A VARIABLE THROAT AREA FOR SAID NOZZLE; A SECOND PLURALITY OF LONGITUDINALLY-EXTENDING MOVABLE MEMBERS FORMING A DIVERGENT PORTION OF SAID NOZZLE, THE DOWNSTREAM ENDS OF SAID SECOND PLURALITY OF MOVABLE MEMBERS DEFINING A VARIABLE EXIT AREA FOR SAID NOZZLE; A THIRD PLURALITY OF LONGITUDINALLY-EXTENDING MOVABLE MEMBERS, EACH OF THE MEMBERS OF SAID THIRD PLURALITY BEING PIVOTALLY ATTACHED AT ONE END TO SAID SECOND PLURALITY ADJACENT THE DOWNSTREAM ENDS OF THE MEMBERS OF SAID SECOND PLURALITY, AND AT THE OTHER END TO SAID OUTER HOUSING; AN AIR INLET FOR SAID ENGINE PROVIDING A SOURCE OF SECONDARY AIR BETWEEN THE DUCT AND HOUSING;