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WO/2019/119379A1 |
A propeller comprises a propeller blade (100). The propeller blade rotates to form a propeller disc. The propeller blade (100) comprises a root portion (101) and a tip portion (102) away from the root portion (101). The propeller blade (...
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WO/2019/117304A1 |
The present invention provides a rotary craft which can change the pitch of a blade by appropriately driving an actuator even when the actuator has a low output, with a relatively simple configuration. A helicopter (10) according to the ...
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WO/2019/118212A1 |
A corrugated lift fan rotor is disclosed. In various embodiments, a rotor includes an upper skin, a lower skin, and an at least partly corrugated core encased between the upper skin and the lower skin. In some embodiments, the core compr...
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WO/2019/115532A1 |
The invention relates to a drive device for an aircraft, comprising a blade (2), which can be rotated about an axis of rotation (51) of the drive device along a circular path (52) and is mounted for pivoting about a blade bearing axis pa...
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WO/2019/116101A1 |
A variable-geometry vertical takeoff and landing (VTOL) aircraft system may transport passengers from a departure point to a destination via partially or fully autonomous flight operations. The VTOL aircraft system may operate in hover-b...
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WO/2019/113573A1 |
An example method of manufacturing a wing includes providing a wing frame. The wing frame includes a primary spar, a drag spar, a plurality of transverse frame elements having at least one spar joiner, and a plurality of mourning element...
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WO/2019/109621A1 |
A drone includes one or more rotatable propellers and one or more fixed propellers powered by one or more battery powered electric motors for providing upward and forward thrust to the drone during upward and forward movement of the dron...
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WO/2019/112681A1 |
A commanded control signal is compared against an adaptive control signal in order to detect a rotor strike by a rotor included in an aircraft, wherein the adaptive control signal is associated with controlling the rotor and the adaptive...
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WO/2019/109791A1 |
A differential variable pitch blade, comprising: at least two airfoil sections (301), the adjacent airfoil sections (301) being rotatably connected, each airfoil section (301) being provided with a first through hole and a second through...
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WO/2019/108517A1 |
Devices, systems, and methods are provided in which a wing of a tiltrotor aircraft is rotated during operational flight, for example from a position perpendicular to the aircraft's fuselage through an angle of 30 or more in the direction...
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WO/2019/104625A1 |
A connection structure, power system and unmanned aerial vehicle, used for increasing the connection reliability of the power system of an unmanned aerial vehicle and simplifying the structure of the power system to reduce production cos...
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WO/2019/100203A1 |
Systems and methods are provided for detecting attachment of a propeller (120) to an unmanned aerial vehicle (UAV). The systems and methods may utilize one or more sensors to detect a spatial configuration between a propeller (120) and a...
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WO/2019/100482A1 |
An unmanned aerial vehicle-based load control method and device, and an unmanned aerial vehicle. The unmanned aerial vehicle comprises: an unmanned aerial vehicle body, propeller arms connected at first ends to the unmanned aerial vehicl...
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WO/2019/097425A1 |
A two degrees of freedom actuator for example for multi-bladed rotor of an aircraft with at least two blades that are driven in rotation about a main rotation axis by primary actuator, and a secondary actuator that is arranged to rotate ...
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WO/2019/099293A1 |
A passively varying pitch propeller includes a hub and a first and a second blade assembly. Each blade assembly respectively has a blade having an airfoil shape yielding a positive zero-lift pitching moment for the blade assembly, a pitc...
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WO/2019/095841A1 |
An aircraft impeller (001) and an aircraft, relating to the field of aircraft drive components, the aircraft impeller (001) comprising a frame body (100) and a rotating wheel part (200); the frame body (100) comprises a mounting groove (...
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WO/2019/056892A9 |
A pitch control system characterized by a hub (12) with at least two blade-housings (2) on the hub (12) that are disposed around the hub axis (40). The blade-housings (2) have corresponding blades (1) that engage with them. The blades (1...
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WO/2019/093913A1 |
The solution according to the present invention is a drive unit for air vehicle, which allows building the vertical take-off and landing vehicles, intended for application, for instance, in the production of flying taxis, as well as in t...
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WO/2019/089839A1 |
A bladeless unmanned aerial vehicle includes a body and two or more thruster assemblies coupled to the body. The thruster assemblies each includes a ducted fan compressor and a discharge frame. The discharge frames may be bladeless fans ...
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WO/2019/087175A1 |
A blade is provided for the cycloidal marine propellers or cycloidal aerial rotors which is given the capabilities, in response to control system commands, to dynamically and in real time flex itself along its chord in any required way, ...
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WO/2019/090191A1 |
A vertical landing and take-off aircraft VTOL transitions from a vertical takeoff state to a cruise state where the vertical takeoff state uses propellers to generate lift and the cruise state uses wings to generate lift. The aircraft ha...
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WO/2019/085150A1 |
A foldable propeller, and an unmanned aerial vehicle. The foldable propeller comprises: a propeller holding base (1) used for installation of a propeller blade (3), the propeller blade (3) being foldable and expandable with respect to th...
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WO/2019/083639A1 |
Features for a tail-sitter aircraft having efficiently designed propulsive elements are disclosed. The aircraft may have a tail with landing mounts to support the aircraft in a vertical position for takeoff and landing. The aircraft may ...
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WO/2019/082044A1 |
A quick propeller mounting and dismounting mechanism that enables single-handed dismounting is disclosed. The mechanism comprises a propeller mount, a set of two or more locking levers 102 pivotally fixed to propeller mount. One or more ...
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WO/2019/074349A1 |
The invention relates to aviation equipment. An object of this invention is to develop a new non-conventional aerodynamic apparatus that can increase the efficiency of the air flow power use to generate lifting force, control moments and...
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WO/2019/069591A1 |
[Problem] To maximize the static thrust of a ducted fan. [Solution] This ducted fan 1 has a duct 10, a propeller 20, a motor 30, a housing 40, and a stator 50. The propeller 20 has a hub 21 disposed concentrically with respect to the duc...
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WO/2019/060933A1 |
The invention relates to a spokeless and hubless wheel (52) inside which at least one electrically driveable propeller (44) is integrated in such a way that the risks associated with propeller rotation are kept as low as possible. The wh...
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WO/2019/066484A1 |
The present invention relates to a vertical takeoff and landing aircraft. According to one embodiment of the present invention, the vertical takeoff and landing aircraft comprises: a flight fuselage (F) on which a main wing (3) and auxil...
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WO/2019/056558A1 |
A propeller, a power assembly and an aircraft. The propeller comprises: a propeller fastener (10) and propeller blades (20), the propeller blades (20) being connected on the propeller fastener (10), wherein when measured at a distance of...
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WO/2019/060214A1 |
The present disclosure describes a propeller control unit (100) for controlling the blade pitch of a propeller. The unit includes an electrohydraulic servo valve (106) ("EHSV") and is connected to a propeller actuator (102) that adjusts ...
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WO/2019/051993A1 |
Provided is a foldable propeller, comprising a propeller assembly (100) and a rotary driving assembly (200), wherein the propeller assembly (100) comprises a first blade (1), a propeller upper bracket (2), a second blade (3) and a propel...
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WO/2019/037037A1 |
A propeller, comprising at least one blade (1, 2, 3), the blade (1, 2, 3) comprising a rigid body (11) and a soft edge (12) connected to the rigid body (11), the soft edge (12) extending outwards from the rigid body (11). Due to the pres...
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WO/2019/040490A1 |
A vehicle is provided having at least one control motor that includes a drive motor having a stationary portion and a rotatable portion, where the drive motor rotatable portion is coupled to a rotor shaft, where the drive motor is config...
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WO/2019/033768A1 |
A propeller, a power system, and an unmanned aerial vehicle, the propeller (111, 112) being used for connection to a power unit (50) and comprising a hub (150) and at least two blades (100). The at least two blades (100) may be foldably ...
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WO/2019/033769A1 |
Disclosed in the present application are a folding propeller, a power assembly, and an unmanned aerial vehicle. The folding propeller comprises: a propeller hub, at least two blade assemblies, and a connector for pivoting the propeller h...
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WO/2019/029026A1 |
A propeller, comprising a propeller hub (10) and propeller blades (20). The propeller blades (20) are connected to the propeller hub (10); at a position whereof the distance to the center of the propeller hub (10) is 40% of the radius of...
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WO/2019/033080A1 |
An intentional fluid manipulation apparatus assembly with a first thrust apparatus that imparts a first induced velocity to a local free stream flow during a nominal operation requirement. The first thrust apparatus creates a streamtube....
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WO/2019/022618A1 |
A shroud for an aircraft configured to at least partially surround a noise source including a propeller. The shroud includes an outer layer and two or more sound absorbing materials located inside the shroud. The outer layer is configure...
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WO/2019/019161A1 |
Disclosed are an airscrew, a power assembly and an air vehicle. The airscrew comprises blades, wherein each of the blades comprises a blade root (110) and a blade tip (120) facing away from the blade root (110); the blade has a blade sur...
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WO/2019/019332A1 |
Disclosed are a propeller, a power assembly and an aircraft.A propeller (100) comprises a propeller hub (10) and a propeller blade (20), the propeller blade (20) being connected on the propeller hub (10). At a distance of 40% of the radi...
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WO/2019/019343A1 |
Disclosed is a propeller comprising a propeller hub (10) and a propeller blade (20), the propeller blade (20) being connected on the propeller hub (10). At a distance of 40% of the radius of the propeller from the centre of the propeller...
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WO/2019/017833A1 |
An aerial vehicle including a first wing structure and a second wing structure which intersects the first wing structure perpendicularly at a position offset from a midpoint of a transverse axis of the first wing structure in a direction...
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WO/2019/012191A1 |
The present invention relates to a device for directly controlling a blade which comprises a stator (1), at least one blade support (7) composed of at least one curved magnet (6), the blade support (7) being secured to at least one blade...
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WO/2019/000560A1 |
A propeller, a power assembly, and an aircraft. The propeller comprises a propeller seat (6) and propeller blades (1) connected to the propeller seat; an attack angle of the propeller blade (1) at a position being 45.8% of the radius of ...
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WO/2019/004807A1 |
The invention relates to designs of rotating-blade cycloidal propulsive elements. A dual-rotation rotor for a cycloidal propeller comprises a primary rotor which rotates about its own axis and is kinematically connected to a drive shaft....
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WO/2018/232429A1 |
The invention relates to a protective propeller frame, in the interior of which at least one electrically driven propeller (12) is integrated and a protective device (9, 10, 16) of which surrounds the propeller to such a degree that the ...
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WO/2018/232430A1 |
The invention relates to a protective propeller frame, in the interior of which at least one electrically driven propeller (12) is integrated and a protective device (9, 10, 16) of which surrounds the propeller to such a degree that the ...
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WO/2018/223089A2 |
Systems and methods are contemplated for favorably improving flight dynamics of aircraft, including enhanced aerodynamic braking and improved flight maneuverability. Air braking systems selectively position a first set of blades at a neg...
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WO/2018/217667A1 |
Apparatus, systems, and methods are contemplated for electric powered vertical takeoff and landing (eVTOL) aircraft. Such are craft are engineered to carry safely carry at least 500 pounds (approx. 227 kg) using a few (e.g., 2-4) rotors,...
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WO/2018/212831A1 |
A lift fan includes a stator which is configured to output a magnetic field. The lift fan also includes a first housing which in turn includes a blade, a second housing, and a magnet array. The magnet array is coupled to either the first...
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