Patent ID: 7980508
Filing Date: 2011-07-19
Classification: B64C,F02K,F05D

Abstract:
1. An efflux system for an aircraft of at least one of the vertical and short take-off type, which includes a powerplant, said system comprising: longitudinally spaced forward and rearward outlet assemblies each for receiving at least a part of an efflux from said powerplant, wherein said forward outlet assembly is spaced generally forwardly of said powerplant and comprises delivery duct means receiving said part of said efflux, an outlet nozzle means, telescopically coupled to a portion of said delivery duct means, said outlet nozzle means having at least a portion having a complementary shape to said portion of said delivery duct means, for generating at least a component of lift when in a first position, and means for varying a direction in which efflux exhausts from said outlet nozzle means by telescopically moving said outlet nozzle means with respect to said delivery duct means between said first position and a second position.