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WO/2018/208889A1 |
A system and method of noise mitigation for hybrid and electric aircraft, the aircraft having a controllable pitch propeller or rotor(s) with a plurality of blades. The propeller or rotor(s) are driven by a drive system to provide thrust...
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WO/2018/208220A1 |
An aerial vehicle may include a first wing structure. The aerial vehicle may further include a first propeller and a second propeller disposed along the first wing structure. The aerial vehicle may further include a second wing structure...
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WO/2018/206860A1 |
Translational flight is provided by a propeller or rotor. There are single propellers or rotors and contra-rotating double propellers or rotors. The first propeller or rotor evacuates the depression in front of the propeller or rotor for...
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WO/2018/196123A1 |
A propeller (20), a power system (100) comprising the propeller (20), and an unmanned aerial vehicle comprising the power system (100). The propeller (20) is configured to be connected to a drive device (10) and can be driven by the driv...
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WO/2018/194214A1 |
A fixed-wing drone using a variable pitch propeller, according to an embodiment of the present invention, comprises: a body section formed in a lengthwise direction from a front end to a rear end; wing sections formed on both sides of th...
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WO/2018/190670A1 |
The present invention relates to a blade tip rotary vane which, unlike an existing propeller, is formed by attaching a vane to a blade tip portion at which the rotational speed of the vane is fast, wherein the blade tip rotary vane is ch...
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WO/2018/191083A1 |
A propulsion system for an aircraft may include two coaxial propellers to operate in two different flight conditions. Each propeller may be attached to a driveshaft via corresponding one-way devices that allow each propeller to be driven...
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WO/2018/190922A1 |
In one embodiment, an aircraft includes a number of propellers N prop , wherein each propeller comprises a diameter d prov , has a propeller efficiency η ρτορ , and is configured to absorb power p prop to rotate at a rate RPM to gen...
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WO/2018/189249A1 |
The invention relates to a device (1) for measuring rotor blade movements of an aircraft over the entire rotor rotation in flight, having at least one rotatably arranged rotor blade (2) and an image recording unit (4) for recording image...
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WO/2018/184291A1 |
A blade (100) for use in a propeller (300). At where the distance on the blade (100) to the center of gyration of the propeller (300) is 58.33% of the radius of gyration of the propeller (300), the angle of attack of the blade (100) is 1...
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WO/2018/184635A1 |
The invention relates to a self-adhesive plastic film (10) for application to surfaces (1) over which a fluid flows, e.g. the outer skin of aircraft. The self-adhesive plastic film (10) for application to surfaces (1) over which a fluid ...
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WO/2018/183535A1 |
An unmanned aerial vehicle with deployable components (UAVDC) is disclosed. The UAVDC may comprise a fuselage, at least one wing, and at least one control surface. In some embodiments, the UAVDC may further comprise a propulsion means an...
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WO/2018/140199A9 |
A cycloidal rotor air vehicle includes an airframe, a first cycloidal rotor assembly supported by the airframe and configured to rotate about a first axis of rotation relative to the airframe, the first cycloidal rotor assembly including...
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WO/2018/172754A1 |
A propeller assembly (200) comprising a propeller hub (201) which can be driven about an axis and at least two propeller blades (203) each mounted to the hub at a point distal from the axis by pivoting means (203, 211, 212) alloying the ...
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WO/2018/165882A1 |
A propulsion system includes a propulsion motor (121) configured to drive a propeller (122) and an apparatus (203) for releasably coupling the propeller (122) to the propulsion motor (121). The apparatus (203) includes an engagement memb...
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WO/2018/158767A1 |
Generally, a vehicle comprising at least one hydrogen releasing element is provided. The vehicle can include at least one hydrogen releasing element coupled to a body of the vehicle. The vehicle can include a hydrogen combustion region p...
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WO/2018/158392A1 |
A method (600) for testing control logic for a propeller driven by a gas turbine engine of an aircraft includes overriding (602) a signal indicating the aircraft is operating in a ground mode. The method can further include testing (604)...
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WO/2018/157426A1 |
A propeller, a power assembly and an aircraft, the propeller comprising a propeller base and a blade (1) connected thereon. The blade (1) has an angle of attack of 14.05°±2.5° and a chord length of 11.94mm±5mm at a position where the...
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WO/2018/152258A1 |
Described is an apparatus and method of an aerial vehicle, such as an unmanned aerial vehicle ("UAV") that can operate in either a vertical takeoff and landing (VTOL) orientation or a horizontal flight orientation. The aerial vehicle inc...
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WO/2018/146422A1 |
The invention relates to a method for controlling the speed and the power of a turbine engine propeller, wherein at least two operating modes are implemented: - one operating mode, called "speed mode", in which the pitch (β) of the prop...
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WO/2018/146862A1 |
Provided is a fan blade which is made of a composite material and which will not suffer damage even if a large foreign object collides with the fan blade. A fan blade (20) is provided with a blade body (21) composed of a composite materi...
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WO/2018/143802A1 |
A blade made of layered material, such as composite material, configured for exposure to a fluid flow, comprises skins (1, 2) defined between a leading edge (3) and a trailing edge (4) which skins in cross-section form a flow profile. Th...
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WO/2018/138156A1 |
The present disclosure is directed to a turbine engine (10) defining an axial direction, a radial direction, a circumferential direction, a first end (99) and a second end (98) opposite of the first end (99) along the axial direction. Th...
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WO/2018/139694A1 |
A rotary wing drone according to one embodiment of the present invention comprises: a flight control unit for controlling the flight of the rotary wing drone; a main body including a first motor and a second motor; an upper shaft vertica...
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WO/2018/138295A1 |
The present disclosure is directed to a system 100 for feathering a propeller assembly 14, wherein the system is disposed within a housing 47 of the propeller assembly. The system 100 includes a sleeve 110 defining an outer wall 111 and ...
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WO/2018/134379A1 |
A control system (10) for a gas turbine engine (1) having a gas generator (4) and a turbine (6) driven by the gas generator (4), is provided with: a control unit (12) to control a forward operating mode or a reverse operating mode of the...
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WO/2018/129048A1 |
A drone transport system has a carrier pod adapted for carrying a passenger or parcels with the passenger or parcels enclosed, the carrier pod having a first attachment interface at an uppermost extremity, the attachment interface having...
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WO/2018/125622A1 |
An aerial vehicle is provided including rotor units connected to the aerial vehicle, and a control system configured to operate at least one of the rotor units. The rotor unit includes rotor blades, wherein each rotor blade includes a su...
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WO/2018/113134A1 |
A multi-rotor unmanned aerial vehicle (100), comprising a main vehicle assembly (10) and a plurality of rotor assemblies (20). Each rotor assembly (20) comprises a servomotor (21), a connecting arm (22), and a rotor unit (23). The main v...
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WO/2018/111059A1 |
The invention relates to the field of transport by air and water and to power engineering, in particular to designs of bladed propellers. A rotating-blade propeller comprises a plurality of blades which are independently connected to spi...
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WO/2018/102913A1 |
An unmanned aerial vehicle ("UAV") is provided for the lifting and carrying payloads of up to 100 kg. The UAV can include a pair of counter-rotating propellers enclosed in a cage with attitude control motors for providing directional thr...
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WO/2018/094669A1 |
A propeller locking mechanism, a propeller, a motor, a power unit and an unmanned aerial vehicle, the propeller (1) comprising a first body, the motor (2) comprising a second body, and the locking mechanism comprising a pressing member (...
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WO/2018/090987A1 |
A power assembly and an aircraft having said power assembly, comprising: an electric motor (60), a fixing seat (30) and a propeller (20). The fixing seat (30) is sleeved over an electric motor shaft (61) and fixed on a base body (63) of ...
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WO/2018/090281A1 |
A manually detachable locking mechanism for connecting parts of an unmanned aerial vehicle (UAV) comprises: a first engaging means (25) associated with a first part of the UAV, a second engaging means (35) associated with a second part o...
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WO/2018/086663A1 |
A folding propeller (1) with an adjustable rake angle has a hub (10) and at least three propeller blades (11) which are pivotally mounted in the hub (10) about pivot axes (25a) extending radially outwards from a central area in the hub (...
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WO/2018/086204A1 |
A propeller, comprising: a propeller hub (10), and propeller blades (20). The propeller blades (20) are connected to the propeller hub (10). At a distance of 47.37% of the radius of the propeller from the center of the propeller hub (10)...
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WO/2018/080699A1 |
A propeller blade (18) spanning radially from a root (32) to a tip (34) and spanning axially from a leading edge (36) to a trailing edge (38) spaced from the leading edge forming an airfoil (39) therebetween where a sweep line (62) can b...
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WO/2018/077810A1 |
An aircraft, such as a flying car, comprising a body structure, lift structures (such as wings), control structures (such as fins, elevators, and ailerons), and a motor; a propeller connected to the motor and mounted for rotation about a...
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WO/2018/072194A1 |
Provided are a method for handling malfunctions, an aerial vehicle, a server, and a control device. The method comprises: a target aerial vehicle receiving a locking instruction, the locking instruction being used to instruct locking of ...
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WO/2018/054176A1 |
A power assembly and an aircraft having said power assembly. The power assembly comprises a propeller (100) and a drive mechanism, the drive mechanism being provided with a rotating shaft (210) driving rotation of the propeller (100), an...
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WO/2018/046976A1 |
Axial airplane airscrew-, fan-, and wind turbine blade of low loading characterised by the fact that the aspect ratio of the airscrew-, fan- and wind turbine blades is low; near to the wide blade ends, but in an appropriate distance an a...
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WO/2018/048644A1 |
An aircraft includes a fuselage, a forward wing assembly, and aft wing assembly, and a propulsion system. The propulsion system includes a first primary thrust propulsor and a first secondary thrust propulsor, the first primary thrust pr...
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WO/2018/045253A1 |
The present invention relates to a rotor assembly where associated electric motors are configured to rotate the rotor, control the collective pitch of the rotor/assembly, and/or control the cyclic pitch of the rotor/assembly, by varying ...
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WO/2018/038822A1 |
A multicopter aircraft with a wide span rotor configuration is disclosed. In various embodiments, a multicopter as disclosed herein includes a fuselage and a plurality of rotors. The plurality of rotors includes inner rotors and outer ro...
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WO/2018/037796A1 |
This flight device is provided with a base body, thrusters, an attitude detection unit, an abnormality detection unit, and an attitude control unit. The plurality of thrusters are provided to the base body, and are provided with propelle...
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WO/2018/037183A1 |
The invention relates to a system (26) for changing the pitch of blades of at least one turbomachine rotor, comprising: – a control means acting on a connecting mechanism (31) that is connected to the blades of the rotor and comprising...
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WO/2018/037795A1 |
When this flight device 10 changes the flight attitude and flight altitude, a control unit 40 changes the flight attitude and flight altitude using mainly the outputs of motors 131, 141, 151, 161 of each thruster 13-16, and finely adjust...
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WO/2018/030722A1 |
A device and a method for controlling the pitch angle of a propeller are disclosed. According to one aspect of the present embodiment, one objective of the present invention is to provide the device and the method, which calculate the pi...
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WO/2018/027002A1 |
An aircraft where an engine creates mechanical energy. That energy is then converted into another transmittable form, e.g., electrical using a generator, or hydraulic using a pump, and is delivered to remotely-located motors and thruster...
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WO/2018/023861A1 |
Provided in the present invention is a propeller (100), comprising blades (200). At a position on the blades (200), 46.875% from the center of gyration of the propeller (100), along the radius of gyration of the propeller (100), the angl...
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