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1. WO2020095288 - AIRCRAFT ROTOR PROTECTION

Publication Number WO/2020/095288
Publication Date 14.05.2020
International Application No. PCT/IL2018/051176
International Filing Date 05.11.2018
IPC
B64C 29/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
29Aircraft capable of landing or taking-off vertically
B64D 45/06 2006.01
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
45Aircraft indicators or protectors not otherwise provided for
04Landing aids; Safety measures to prevent collision with earth's surface
06mechanical
B64D 45/04 2006.01
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
45Aircraft indicators or protectors not otherwise provided for
04Landing aids; Safety measures to prevent collision with earth's surface
CPC
B64C 2201/088
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
08characterised by the launching method
088Vertical take-off using special means
B64C 2201/108
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
10characterised by the lift producing means
108using rotors, or propellers
B64C 2201/165
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
2201Unmanned aerial vehicles; Equipment therefor
16characterised by type of propulsion unit
165using unducted propellers
B64C 29/0033
BPERFORMING OPERATIONS; TRANSPORTING
64AIRCRAFT; AVIATION; COSMONAUTICS
CAEROPLANES; HELICOPTERS
29Aircraft capable of landing or taking-off vertically
0008having its flight directional axis horizontal when grounded
0016the lift during taking-off being created by free or ducted propellers or by blowers
0033the propellers being tiltable relative to the fuselage
B64D 45/04
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
45Aircraft indicators or protectors not otherwise provided for
04Landing aids; Safety measures to prevent collision with earth's surface
B64D 45/06
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
45Aircraft indicators or protectors not otherwise provided for
04Landing aids; Safety measures to prevent collision with earth's surface
06mechanical
Applicants
  • NETZER, Yoav [IL]/[DE]
Inventors
  • NETZER, Yoav
Agents
  • ENTIS, Allan C.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AIRCRAFT ROTOR PROTECTION
(FR) PROTECTION DE ROTOR D'AÉRONEF
Abstract
(EN)
Embodiments of the disclosure are directed to a convertible rotor aircraft CRA able to convert between airplane and helicopter flight modes during flight, comprising a tiltable proprotor assembly TPA comprising a proprotor. Optionally, the CRA comprises a flight control module FCM configured to control the TPA to reverse direction of thrust generated by the proprotor relative to the TPA when the TPA transitions between a first orientation for helicopter flight and a second orientation for airplane flight. Optionally, the CRA comprises a deployable guard for the proprotors, configured to have a stowed state and a deployed state, wherein: the guard in the deployed state is controlled to be configured as a partially air-permeable barrier.
(FR)
Des modes de réalisation de l'invention concernent un aéronef à rotor convertible (CRA) apte à se convertir entre des modes de vol d'avion et d'hélicoptère pendant le vol, comprenant un ensemble rotor orientable inclinable TPA comprenant un rotor orientable. Facultativement, le CRA comprend un module de commande de vol FCM conçu pour commander le TPA en sens inverse de la poussée générée par le rotor orientable par rapport au TPA lorsque le TPA passe entre une première orientation pour un vol d'hélicoptère et une seconde orientation pour un vol d'avion. Facultativement, le CRA comprend un élément de protection déployable pour les rotors orientables, conçu pour avoir un état replié et un état déployé : la protection dans l'état déployé étant commandée pour être conçue sous la forme d'une barrière partiellement perméable à l'air.
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