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Matches 1 - 50 out of 1,506

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2018/026397A1
A propeller includes a blade free to rotate. A first stop is positioned to mechanically engage one or both of a first portion of the blade and a first structure coupled to the blade when the blade is in a first position at a first end of...  
WO/2018/027017A1
A propulsion system for an aircraft includes an engine (e.g., piston engine, or turbine) having an axis made to be nonparallel with the longitudinal axis of the aircraft. This is enabled using an electrical, hydraulic, or other system to...  
WO/2018/026398A1
A propeller includes a blade free to rotate about a longitudinal axis of the blade. The propeller also includes a mechanical stop positioned to engage mechanically a first portion of the blade and/or a first structure coupled mechanicall...  
WO/2018/018729A1
A propeller, a power assembly and an aerial vehicle. The propeller comprises propeller blades (200). At a position on the blade (200) where a distance to the center of gyration of the propeller is 43.33% of the radius of gyration of th...  
WO/2018/016932A1
The invention relates to designs of vane propulsors, or cycloidal propellers, operating in water and air environments. A mechanism for altering the blade pitch of a cycloidal propeller comprises a slide bar, which is able to slide along ...  
WO/2018/000593A1
Provided in the present invention is a propeller (100), comprising a paddle (200). An attack angle of the paddle (200) is 16.89±1.5 degrees at a place where the distance from the paddle (200) to a turning center of the propeller (100) i...  
WO/2018/004493A1
This invention relates to high efficiency double pitch angle propellers, and is such that it has a propeller hub (2, 7); and two or more propeller blades (1, 6) with aerofoil-shaped cross-section (1a, 6a) fixed around the periphery of th...  
WO/2017/220940A1
Disclosed is an annular shroud (10) for a bladed wheel (80), comprising an axially extending annular wall (10A) that has a plurality of axially extending slots (12), each of said slots (12) being designed to accommodate a leading edge (8...  
WO/2017/215529A1
A propeller and a fuselage, comprising a forming foam (10), at least one first fiber fabric layer (20) provided on an upper surface of the forming foam (10), and at least one second fiber fabric layer (30) provided on a lower surface of ...  
WO/2017/208037A1
The present invention relates to a folding propeller-hub assembly and applicable flight modes of the assembly. In particular, the present invention provides a folding propeller-hub assembly for VTOL aircraft and for improved aerodynamic ...  
WO/2017/207666A2
The invention relates to an air ship having a supporting structure (12) and a shell (10) that can be filled with a gas and which is tensioned by the supporting structure (12). According to the invention, said supporting structure (12) co...  
WO/2017/207666A3
The invention relates to an air ship having a supporting structure (12) and a shell (10) that can be filled with a gas and which is tensioned by the supporting structure (12). According to the invention, said supporting structure (12) co...  
WO/2017/200803A1
An energy efficient and lighter-than-air high altitude platform (HAP) is disclosed that allows for sustained station keeping at high altitudes of about 50,000-80,000 feet for prolonged periods of time. The HAP includes an aerodynamically...  
WO/2017/201324A1
A variable pitch propeller apparatus enables a propeller to have different pitch angles in one revolution about the drive shaft The propellers are coupled: to a race that is flexible and actuated into different offset distances by a race...  
WO/2017/187275A3
An aerial vehicle including a housing, an outrunner motor including a stator mechanically coupled to the housing and a rotor rotationally coupled to the stator, and a propeller removably coupled to the rotor, the propeller including a hu...  
WO/2017/182748A1
A pitch actuation system (22') for a turbomachine propeller (10), comprising an actuator (24) with a movable portion (26) configured to be connected to blades (14) of the propeller in order to rotate them relative to the blade-pitch sett...  
WO/2017/182734A1
A pitch actuation system (22') for a turbomachine propeller (10), comprising an actuator (24) with a movable portion (26) configured to be connected to blades (14) of the propeller in order to rotate them relative to the blade-pitch sett...  
WO/2017/182626A1
To reduce the complexity and increase the reliability of a drive unit component (1) for example of an electric motor suitable for applications in air travel, it is proposed to design the drive unit component (1) in one piece and in one m...  
WO/2017/177406A1
A blade clamp (11) for a folding propeller, a folding propeller having the blade clamp, a power unit, and an unmanned aerial vehicle. The blade clamp (11) is used for fixing and holding blades (15) of a folding propeller. The blade clamp...  
WO/2017/175217A1
To eliminate stability issues in forward flight due to oncoming flow interfering with the flows produced inside the rotor, rotor shielding or enclosure are used giving it the ability to operate steadily at various forward speeds. Further...  
WO/2017/175410A1
The present invention configures a variable pitch mechanism for helicopters, which has a simple configuration having a reduced number of components, and which is capable of precisely controlling the pitch angle of blades even without an ...  
WO/2017/176953A1
A vehicle includes a propulsion system using one or more impellers as opposed to propellers. The impellers impart circumferential and radial velocity components to the working fluid, which may be air or water. The air is deflected by cou...  
WO/2017/173502A1
The present disclosure relates to drone technology, and in particular to aerial drone technology. This includes both drone hardware/hardware configuration, and drone software/software configuration. Embodiments are described by reference...  
WO/2017/175217A8
To eliminate stability issues in forward flight due to oncoming flow interfering with the flows produced inside the rotor, rotor shielding or enclosure are used giving it the ability to operate steadily at various forward speeds. Further...  
WO/2017/166316A1
A locking device comprises: a catch (12), which can be movably arranged on a first body (10); a fitting portion (21), which is arranged on a second body (20), being able to be fitted with or separated from the catch (12); a driving membe...  
WO/2017/172448A1
Described is a configuration of an unmanned aerial vehicle ("UAV") that includes one or more lifting propellers that may be converted between an operational configuration and a transit configuration. When the lifting propeller is in a op...  
WO/2017/165456A1
Sounds are generated by an aerial vehicle during operation. For example, the motors and propellers of an aerial vehicle generate sounds during operation. Disclosed are systems, methods, and apparatus for actively adjusting the position a...  
WO/2017/153610A1
The invention relates to a ducted propeller (100) comprising a housing (102) with an inlet opening (104) and an outlet opening (106), at least one propeller (108) which is mounted in the housing (102) in a rotatable manner about a rotati...  
WO/2017/148133A1
A propeller (100) and a power assembly and aircraft provided with the propeller (100). The propeller (100) comprises blades (200), and the blades (200) rotate together to form a propeller disk. At the distance of 39% of a propeller disk ...  
WO/2017/149541A1
A flap actuator for adjusting the orientation of a flap or the like, the actuator. The actuator includes: a static arcuate member having a radius of curvature; a piezoelectric motor biased to be in operable contact with the static arcuat...  
WO/2017/148128A1
A propeller, a power assembly and an aircraft, the propeller comprising a hub and a blade (1) connected to the hub. At the distance of 55.6% of a propeller disk radius from a propeller disk centre formed by the propeller, the blade (1) h...  
WO/2017/148135A1
A propeller, a power assembly and an aircraft, the propeller comprising a hub (2) and blades (1) connected to the hub (2). At the distance of 40% from a propeller disk centre, the chord length of the blades (1) is 13.8mm ±5mm and the an...  
WO/2017/148134A1
Provided are a propeller, a power assembly and an aircraft, the propeller comprising a hub (6) and a blade (1) connected to the hub (6). At the distance of 50% of a propeller disk radius from a propeller disk centre formed by the propell...  
WO/2017/144807A1
The principal object of the invention is a hub (1a, 1b) for a propeller having variable-pitch blades (2a, 2b) for a turbomachine (10) with longitudinal rotation axis (X), comprising a plurality of blade platforms (3a, 3b), each one being...  
WO/2017/143643A1
Disclosed is an unmanned aerial vehicle (100, 200), comprising a body (10, 10'), arms (20) and power assemblies (30, 30'). The arms (20) are connected to the body (10, 10') and support the power assemblies (30, 30'). The arms (20) at lea...  
WO/2017/144804A1
The invention relates to an arrangement of variable-pitch blades for an aircraft engine, said arrangement comprising a blade (21) comprising a blade root (25) for securing to a rotational support carried by a hub of the engine, and a bla...  
WO/2017/143771A1
A propeller (7), a power assembly, and an aircraft. The propeller (7) comprises: a propeller hub (1) and propeller blades connected to the propeller hub (1). The angle of attack of each propeller blade is 15.3°±2.5° at the position wi...  
WO/2017/146579A1
Airplane comprising a fuselage with an empennage, wherein the fuselage is provided with wings and comprises a propulsion system (6) with propellers, wherein the propulsion system is integrated with the aft-fuselage mounted empennage form...  
WO/2017/128742A1
A propeller (9), a power component and a flight vehicle, wherein the propeller (9) comprises a hub and a blade connected to the hub; at the distance of a second threshold from the propeller disk center (1), the blade has an angle of atta...  

Matches 1 - 50 out of 1,506