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1. WO2001058756 - AIRCRAFT

Publication Number WO/2001/058756
Publication Date 16.08.2001
International Application No. PCT/US2001/004378
International Filing Date 07.02.2001
Chapter 2 Demand Filed 12.09.2001
IPC
B64C 3/42 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
3Wings
38Adjustment of complete wings or parts thereof
42Adjusting about chordwise axes
B64C 3/52 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
3Wings
38Adjustment of complete wings or parts thereof
52Warping
B64C 15/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
15Attitude, flight direction, or altitude control by jet reaction
02the jets being propulsion jets
B64C 39/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
39Aircraft not otherwise provided for
02characterised by special use
B64C 39/10 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
39Aircraft not otherwise provided for
10All-wing aircraft
B64D 27/24 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
27Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
02Aircraft characterised by the type or position of power plant
24using steam, electricity, or spring force
CPC
B64C 15/02
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
15Attitude, flight direction, or altitude control by jet reaction
02the jets being propulsion jets
B64C 2201/028
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
02characterized by type of aircraft
028of all-wing types
B64C 2201/042
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
04characterised by type of power plant
042by electric motors; Electric power sources therefor, e.g. fuel cells, solar panels or batteries
B64C 2201/102
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
10characterised by the lift producing means
102Deployable wings, e.g. foldable or morphing wings
B64C 2201/122
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
12adapted for particular use
122as communication relays, e.g. high altitude platforms
B64C 2201/126
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
12adapted for particular use
126adapted for performing different kinds of missions, e.g. multipurpose use
Applicants
  • AEROVIRONMENT INC. [US]/[US]
Inventors
  • MACCREADY, Paul
  • HIBBS, Bart, D.
  • COX, Earl, C.
  • LISOSKI, Derek, L.
  • KENDALL, Greg, T.
Agents
  • GRIECCI, John, A.
  • SAUNDERS & DOLLEYMORE
Priority Data
09/527,54416.03.2000US
60/182,16514.02.2000US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) AIRCRAFT
(FR) AERONEF
Abstract
(EN) This disclosure provides a solar rechargeable aircraft (10) that is inexpensive to produce, is steerable, and can remain airborne almost indefinitely. The preferred aircraft is a span-loaded flying wing, having no fuselage or rudder. Traveling at relatively slow speeds, and having a two-hundred foot wingspan that mounts photovoltaic cells on most all of the wing's (12) top surface (42), the aircraft uses only differential thrust of its propellers (16) to turn. Each segment of the wing has one or more motors (14) and photovoltaic arrays (32), and produces its own lift independent of the other segments, to avoid loading them. Five two-sided photovoltaic arrays, in all, are mounted on the wing, and receive photovoltaic energy both incident on top of the wing, and which is incident also from below, through a bottom, transparent surface. The aircraft includes hinges and actuators capable of providing an adjustable dihedral for the wing. The actuators can be motors or control surfaces. Alternately, the actuators can be movable masses within the wing, which may be capable of deforming the wing to alter the aerodynamics of the wing, and thereby actuate the hinges. Because of wing dihedral, the aircraft includes motors both above and below the center of drag, and the aircraft uses differential thrust to control aircraft pitch. The aircraft has a wide variety of applications, which include serving as a long term high altitude platform that serves to link a ground station using radio wave signals and a satellite using optical signals.
(FR) L'invention concerne un aéronef solaire rechargeable à faible coût de production, qui est orientable et peut rester en vol presque indéfiniment. L'aéronef préféré est une aile volante chargée en envergure, sans fuselage ni gouverne de direction. Se déplaçant à des vitesses relativement lentes, et comportant une aile de deux cents pieds d'envergure qui sert de support à des cellules photovoltaïques présentes sur presque toute la surface supérieure de l'aile, l'aéronef n'utilise que la poussée différentielle de ses huit hélices pour effectuer un virage. Chacun des cinq segments d'aile est équipé d'un ou de plusieurs moteurs et de réseaux photovoltaïques, et produit sa propre portance indépendante des autres segments afin d'éviter de charger ceux-ci. Cinq réseaux photovoltaïques à deux faces, en tout, sont montés sur l'aile et reçoivent de l'énergie photovoltaïque incidente sur la partie supérieure de l'aile, ainsi que l'énergie incidente provenant du dessous par une surface inférieure transparente. L'aéronef comprend des articulations et des actionneurs capables de former un dièdre réglable d'aile. Les actionneurs peuvent être des moteurs ou des surfaces de commande. Dans une autre forme de réalisation, les actionneurs peuvent être des masses mobiles situées dans l'aile, qui sont capables de déformer l'aile afin de modifier l'aérodynamique de l'aile, ce qui permet d'actionner les articulations. En raison du dièdre d'aile, l'aéronef comprend des moteurs situés au-dessus et au-dessous du centre de traînée, et utilise une poussée différentielle pour régler l'inclinaison longitudinale. L'aéronef comporte une grande diversité d'applications, notamment comme plate-forme de haute altitude et longue durée servant de liaison à une station terrestre utilisant des signaux d'ondes radioélectriques et comme satellite utilisant des signaux optiques.
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