Patent ID: 7510140

Claim:
A vehicle comprising: a frame having an engine compartment for mounting a gas turbine engine having a combustor, a core flow heated by the combustor and a bypass flow which bypasses the combustor; a core duct mounted on said frame and aligned with said engine compartment to receive core flow from the engine, an end of said core duct downstream from said engine compartment being positioned with respect to said frame to direct said core flow received from the engine in a first direction to drive a lift fan without mixing said core flow received from the engine with bypass flow; and a bypass duct mounted on said frame and aligned with said engine compartment to receive bypass flow from the engine, an end of said bypass duct downstream from said engine compartment being positioned with respect to said frame to direct said bypass flow received from the engine in a second direction to generate lift for the vehicle without mixing said bypass flow with core flow.