High speed vertical take-off and land aircraft with active...

Details High speed vertical take-off and land aircraft with active... High speed vertical take-off and land aircraft with active...

2006-04-11

2009-11-03

Eldred, J. Woodrow (Department: 3641)

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

C244S012200, C244S012300, C244S02300R, C073S458000, C073S468000

Reexamination Certificate

active

07611091

ABSTRACT:
A high-speed vertical take-off and land aircraft includes a body with an engine supported by the body. A fan assembly is also carried by the body. The fan assembly includes a hub and a plurality of blades to provide vertical lift for the aircraft. A plurality of frictionless air bearings vertically support the fan assembly while a plurality of idler wheels horizontally center the fan assembly. In addition the aircraft includes an active system for sensing vibration and balancing the fan assembly.

REFERENCES:
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patent: 3514053 (1970-05-01), McGuinness
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patent: 5738302 (1998-04-01), Freeland
patent: 6382560 (2002-05-01), Ow

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