Patent ID: 7524189

Claim:
A free fall simulator, comprising: a lower compression chamber: a plurality of fans, wherein the fans are arranged in a centripetal configuration and the outlets of the fans open in a vicinity of a lower periphery of the chamber, and a compression grid placed in an upper tapered part of the chamber; a cylindrical chamber delimiting a maneuvering chamber, which is located immediately above the compression chamber, and which is designed to be traversed by a homogenous flow of rising air having a speed gradient decreasing regularly from the bottom to the top; and a generally cylindrical superstructure which encloses at least the maneuvering chamber of the simulator, wherein the upper part of the superstructure terminates in a dome which covers said maneuvering chamber of the simulator, and which is arranged to promote a downward circulation of air leaving the maneuvering chamber toward fan inlets.