Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 1,572

Document Document Title
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...  
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...  
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...  
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...  
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...  
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 (...  
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 ...  
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...  
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 (...  
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)...  
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...  
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...  
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 ...  
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...  

Matches 1 - 50 out of 1,572