Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate
2006-01-24
2010-02-09
Mansen, Michael R (Department: 3644)
Aeronautics and astronautics
Aircraft, heavier-than-air
Helicopter or auto-rotating wing sustained, i.e., gyroplanes
C244S05300R, C244S054000, C244S017110, C244S017250
Reexamination Certificate
active
07658346
ABSTRACT:
A dual ducted fan arrangement in which the duct components, engine, and avionics/payload pods are capable of being quickly disassembled to fit within common backpacking systems. Each duct is identical in fan, stator, and control vane design. Assembly connections between ducted fans and electronic modules are also identical. An engine or APU drives the dual ducted fans through a splined shaft to a differential or through electric motors. Energy is transferred to the ducted fans by a single gear mounted to the stator hub. Relative speeds of the individual ducted fans are controlled through separate frictional or generator load control braking mechanisms on each of the splined shafts between the differential and ducted fans. In the electric motor case relative speed is through electronic speed control. The fans are counter rotating for torque balancing. The electronic module locations are vertically variable for longitudinal center of gravity for variations in payloads.
REFERENCES:
patent: 2037745 (1936-04-01), Vaughn
patent: 2417896 (1947-03-01), Zimmerman
patent: 2997258 (1961-08-01), Purpura
patent: 3023980 (1962-03-01), Martin et al.
patent: 3393882 (1968-07-01), Soulez-Lariviere et al.
patent: 3768757 (1973-10-01), Eickmann
patent: 3972490 (1976-08-01), Zimmermann et al.
patent: 4071206 (1978-01-01), Magill
patent: 4982914 (1991-01-01), Eickmann et al.
patent: 5086993 (1992-02-01), Wainfan et al.
patent: 5145129 (1992-09-01), Gebhard
patent: 5150857 (1992-09-01), Moffitt et al.
patent: 5170963 (1992-12-01), Beck, Jr.
patent: 5226350 (1993-07-01), Cycon et al.
patent: 5277380 (1994-01-01), Cycon et al.
patent: 5297759 (1994-03-01), Tilbor et al.
patent: 5351913 (1994-10-01), Cycon et al.
patent: 5372337 (1994-12-01), Kress et al.
patent: 5407150 (1995-04-01), Sadleir
patent: 5419513 (1995-05-01), Flemming, Jr. et al.
patent: 5575438 (1996-11-01), McGonigle et al.
patent: 5779188 (1998-07-01), Frick
patent: 5863013 (1999-01-01), Schmittle
patent: 5890441 (1999-04-01), Swinson et al.
patent: 5941478 (1999-08-01), Schmittle
patent: 6065718 (2000-05-01), Piasecki
patent: 6170778 (2001-01-01), Cycon et al.
patent: 6270038 (2001-08-01), Cycon et al.
patent: 6488232 (2002-12-01), Moshier
patent: 6502787 (2003-01-01), Barrett
patent: 6607162 (2003-08-01), Warsop et al.
patent: 6655631 (2003-12-01), Austen-Brown
patent: 6672538 (2004-01-01), Milleau et al.
patent: 6691949 (2004-02-01), Plump et al.
patent: 2002/0003188 (2002-01-01), Moshier
patent: 2002/0113165 (2002-08-01), Moshier
patent: 4302791 (1994-08-01), None
patent: PCT/US2006/004478 (2006-09-01), None
PCT International Search.
Bonzell Philip J
Honeywell International , Inc.
Mansen Michael R
Shumaker & Sieffert P.A.
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