Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 1,598

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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....  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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....  
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 ...  
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 ...  
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...  
WO/2018/223089A3
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...  
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,...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2018/140199A2
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...  
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...  
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...  
WO/2018/140199A3
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...  
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 ...  
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...  
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...  

Matches 1 - 50 out of 1,598