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Patent Searching and Data


Matches 201 - 250 out of 1,772

Document Document Title
WO/2021/255374A1
The invention relates to a propulsion unit (22) with a propeller (26), comprising: - a nacelle (24); - a propeller (26) rotatably mounted in the nacelle (24) by means of a hub (28), the propeller (26) comprising blades (32) mounted in a ...  
WO/2021/255369A1
The invention relates to a propulsion unit (22) having a propeller (26) for an aircraft (20), comprising: - a nacelle (24); - a propeller (26) mounted in the nacelle (24) so as to be capable of rotating about a longitudinal axis (X) of r...  
WO/2021/113055A9
An intentional fluid manipulation apparatus (IFMA) assembly that includes an upstream intentional momentum shedding apparatus (IMSA) configured to impart a first induced velocity to a local free stream flow during a nominal operation req...  
WO/2021/243705A1
A quadrotor unmanned aerial vehicle (100) and a multi-rotor unmanned aerial vehicle (200). The quadrotor unmanned aerial vehicle (100) comprises a central body (10), two first arms (20), two second arms (30), four power assemblies (50), ...  
WO/2021/242117A1
The present invention discloses a counter-rotating (CR) aerial propulsion system that includes two oppositely rotating propellers,wherein the propellers are fixed to the respective rotational members.Each of the rotational members accomm...  
WO/2021/233574A1
The invention relates to an aircraft having the following features: The aircraft has a wing (10) with an integrated ducted propeller (20); the ducted propeller (20) is provided with inlet blades (13) and outlet blades (14); and at least ...  
WO/2021/233573A1
The invention provides an aircraft having the following features: the aircraft comprises an airfoil (10) having an integrated ducted fan (20); an inlet lip runs around at least parts of the ducted fan (20); and the inlet lap has a gentle...  
WO/2021/230957A1
An aerial vehicle with a plurality of selectively collapsible arms capable of transitioning between an extended state and a contracted state is described. In the extended position, the distance between the main body of the vehicle and th...  
WO/2021/231699A1
An electrically powered aerial vehicle includes at least one motor where each motor includes a stator and a rotor, a motor housing having an inlet opening and a discharge opening for airflow, a plurality of rotor blades rotatable by the ...  
WO/2021/219711A1
Aircraft comprising at least one wing system with two wings rigidly connected to a rotor provided with a swash plate control device, the wing system being able to change from a fixed wing configuration where the rotor is immobilised rela...  
WO/2021/219588A1
The invention relates to a propeller (4) for an aircraft (1). The propeller (4) comprising at least two blades (8a–8d), arranged about a central hub (10), which is coupled to at least one motor (18), driven by a power source (22), wher...  
WO/2021/222799A1
A modular VTOL drone aircraft can include a primary processor, a plurality of propellers, one or more line replacement modules ("LRMs") and one or more line replacement units ("LRUs"). LRMs can include a fuselage, a center wing, two boom...  
WO/2021/214399A1
The invention relates to a blade pivot (2) with adjustable orientation for a turbomachine fan hub, comprising: a contact pad (4) having an attachment (10) configured to retain a blade root (12) and coupling means (16) for transmitting a ...  
WO/2021/212869A1
Disclosed is a propeller (100), comprising a propeller hub (10) and paddles (20), wherein the paddles (20) are connected to the propeller hub (10), and the angles of attack of the paddles (20) are 19.74°±2.5°, 17.51°±2.5°, 14.67°Â...  
WO/2021/208464A1
A propeller (100), comprising a hub (10) and blades (20). The blades (20) are connected to the hub (10). At positions from which the distances to the center of the hub (10) are 46.9%, 54.4%, 61.9%, and 69.4% of the radius of the propelle...  
WO/2021/206893A1
Aspects of the technology relate to rotational electromechanical systems, in which data and or power are supplied to components while one part of the system is rotating relative to another part of the system. Repeated rotation may create...  
WO/2021/205133A1
The invention relates to a method for determining the angular setting (β 2 ) of an annular row of stator blades arranged downstream of a propeller of a propulsion system with a longitudinal axis, the annular row of stator blades receivi...  
WO/2021/198067A1
The invention relates to an air delivery device (1) having one or more rotatable air delivery elements (2) which are driven by a motor and are connected to a shaft (3) mounted via at least one roller bearing (4), wherein a rotation of th...  
WO/2021/195695A1
The present invention relates to an electrical aircraft engine. The engine includes a stator with windings for generating a rotating magnetic field. The engine further includes a rotor for rotating inside or outside the stator. The rotor...  
WO/2021/186480A1
The present embodiment relates to a composite fibre structure (100) and a method (200) of manufacturing the composite fibre structure (200). The composite fibre structure (100) includes a core (102) and an outer layer (108) enclosing the...  
WO/2021/181045A1
The present invention relates to a blade (7) comprising: - a structure (17) made of composite material; - a blade root attachment part (9) comprising a wall (25) delimiting a cavity (28), a first opening (29) formed in the wall (25) and ...  
WO/2021/176271A1
A fixed-wing aircraft (1) provided with a fuselage (3) which extends along a longitudinal axis (L), a pair of wings, a propulsion system and a vertical stabilizer (5) provided with a vertical drift (6) fixed with respect to the fuselage ...  
WO/2021/174324A1
An aircraft control system for use with a variable pitch propeller rotated by an electric motor supplied by a supply current, the aircraft control system comprising: an actuator that controls the variable pitch of the propeller; and an e...  
WO/2021/176187A1
The invention relates to a method for controlling a pitch angle of the vanes or blades of a propellant body of a turbine engine, comprising generating a pitch command (ifinal) according to a rotational speed of the propeller (XNmes) and ...  
WO/2021/175470A1
The invention relates to a rotor assembly for an aircraft capable of taking off vertically, to a rotor blade, and to an aircraft. According to the invention, a rotor assembly (10) is provided for an aircraft (12) that is capable of takin...  
WO/2021/170780A1
The present invention relates to a fan rotor with variable pitch blades, comprising a rotor disc, equipped at its periphery with a plurality of rotary fasteners (16), each fastener (16) comprising a cell (17) for receiving the root (150)...  
WO/2021/165616A1
The invention relates to a turbomachine module with a longitudinal X axis comprising an unducted propeller (2) rotated about the longitudinal axis X and at least one straightener (25) comprising a plurality of unducted variable-pitch sta...  
WO/2021/165604A1
The invention relates to a composite blade (5) for a turbine engine rotor, for example, an unducted propeller, comprising a skin (6) made of woven fibres forming the outer profile of the blade and an attachment (11) with cylindrical geom...  
WO/2021/157675A1
Systems, devices, and methods including a propeller comprising at least one first mating surface; a blade-to-hub coupler comprising at least one second mating surface, where the blade-to-hub coupler is positioned at a base of the propell...  
WO/2021/151129A1
The invention relates to a device for adjusting the inclination of rotor blades (9) of a rotor, in particular rotors, propellers or turbines of land craft, aircraft or watercraft and also of stationary turbine or fan assemblies, comprisi...  
WO/2021/148750A1
The present invention relates to a blade (7) comprising: - a composite material structure (17), - a blade root fastening portion (9) further comprising a shoulder (10) extending into the recess from the wall - a base (18) arranged in the...  
WO/2021/140804A1
An electric variable pitch actuator device comprises: an actuator system that generates a propeller rotation shaft drive motor speed signal and an actuator system generation signal that drives an aircraft from a low-pass filter generatio...  
WO/2021/139650A1
A power assembly (10), comprising: a propeller (13) comprising a propeller hub (131) and a propeller blade (136), the propeller blade (136) and the propeller hub (131) being rotatably connected; a propeller driving device (11) fixedly co...  
WO/2021/140368A1
The subject of the invention is an improved efficiency propeller for aircraft, which includes a blade structure (11) mounted onto a propeller hub (3, 28, 36), a servo unit (13), and a cantilevered base (21, 26). A distinctive feature of ...  
WO/2021/141498A1
A foldable propeller assembly (1) for an aerial vehicle. The foldable propeller assembly (1) comprises a propeller blade (2) arranged pivotably about a pivot axis (P) and a first hub element (3) arranged stationary relative to the pivot ...  
WO/2021/133207A1
The invention relates to aeronautical engineering, and more particularly to a design for propeller blades for helicopter-type aircraft. Two variants of the design are proposed, according to the first of which a propeller blade having a s...  
WO/2021/116606A1
System (11) for balancing at least one parameter to be balanced of an electric motor of a propulsion system (1), in particular of an aircraft, comprising at least two electric motors (3, 4) and a propulsion member (2) driven in rotation ...  
WO/2021/118937A1
Systems, devices, and methods including an unmanned aerial vehicle (UAV) (101); one or more inner wing panels (107) of the UAV; one or more outer wing panels (109) of the UAV; at least one inboard propeller (140) attached to at least one...  
WO/2021/116566A1
The invention relates to a blade pivot (2) with adjustable orientation for a turbomachine fan hub, comprising a stud (4) having means (10) for retaining a fan blade root and coupling means for transmitting a torque, a roller bearing (14)...  
WO/2021/103497A1
Disclosed is an airflow jet-type steering unmanned aerial vehicle. The airflow jet-type steering unmanned aerial vehicle comprises an unmanned aerial vehicle body (1) of a multi-rotor-wing unmanned aerial vehicle; a flight control module...  
WO/2021/092677A1
The propeller described herein may increase the pressure differential to be generated at/near a blade tip and, at least in some embodiments, to allow for the greatest pressure differential to be generated at/near the blade tip. Increasin...  
WO/2021/081762A1
A rotor mount assembly (10) includes a rotor seat (11) and a resilient member (12). The rotor seat (11) includes a base (111) and a lock structure (112) arranged at the base (111). The lock structure (112) includes a recess (1141) openin...  
WO/2021/084105A1
Provides is an Electric Ducted Fan composed of a Duct (1) within which are mounted: a Stator Hub (3), axially positioned within said Duct (1), onto which are fixed 3 or more Stator Blades (5) which connect said Stator Hub (3) to said Duc...  
WO/2021/085588A1
A propeller (1) is equipped with: a hub (11); a blade (12) formed so as to extend outward from the hub (11); a curved section (13) which includes a flexible member for connecting the hub (11) and the blade (12); and a cord (15) which is ...  
WO/2021/079687A1
Provided is a disc-type vertical take-off and landing aircraft that can be made to rise precisely even when heavy. The disc-type vertical take-off and landing aircraft 1 is provided with: a skirt 2 having a structure that spreads downw...  
WO/2021/074554A1
Assembly for a turbomachine blade, comprising: a fastener (9) defining a pocket (10) for receiving a blade root (11), and comprising two flanks defining between them a passage leading into the pocket (10) and forming stops preventing the...  
WO/2021/074514A1
The invention relates to a propulsion system (1, 1') for an aircraft, in particular a vertical take-off and landing (VTOL) aircraft, comprising a rotor (2) and a nacelle fairing (3) that extends around said rotor in relation to an axis (...  
WO/2021/073956A1
The invention relates to a vehicle (1) comprising: - a fairing (2); - at least one propeller, characterized in that the fairing (2) defines a fluid chamber having a main opening that opens onto a lower face (22) of the fairing (2) so as ...  
WO/2021/071469A1
A tension airfoil assembly (800) includes an outer rim (802) located concentrically with a hub (803) supported by a plurality of spokes (807), each spoke (807) extending there between. A series of airfoils (810), each airfoil (810) havin...  
WO/2021/072070A1
A short takeoff and landing (STOL) vehicle which comprises a tail having a surface and a fuselage having a surface, where the tail and the fuselage have a continuity of surfaces where the surface of the tail is directly coupled to the su...  

Matches 201 - 250 out of 1,772