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Matches 1 - 50 out of 796

Document Document Title
WO/2020/261149A1
The present invention is related to a flight propulsion system for Vertical Take-Off and Landing (VTOL) and Short Take-Off and Landing (STOL) aircraft, which comprises a two cyclorotors (1, 8), installed in the front and rear portions of...  
WO/2020/257670A1
An aircraft airfoil having a wave assembly. The airfoil may include a leading edge, a trailing edge position opposite the leading edge, a pressure side extending between the leading edge and the trailing edge, and a suction side extendin...  
WO/2020/254560A1
Disclosed is an actuation unit (15) for actuating a foldable wing tip portion (9) of a wing (3) for an aircraft (1), the actuation unit (15) comprising a motor (17) configured to be mounted to a fixed wing (5) for an aircraft (1), a driv...  
WO/2020/239606A1
An aircraft wing (10) comprising a fixed wing (1) and a wing tip device (12) rotatable about a hinge (16) at the tip of the fixed wing. The wing further comprises an actuation assembly (11) for rotating the wing tip device about the hing...  
WO/2020/212224A1
An aircraft turbojet engine (1) extending along an X axis and comprising a blower configured to provide a reverse thrust and a nacelle comprising an air intake (2) which comprises at least one deflection member (3, 4, 5) movably mounted ...  
WO/2020/204139A1
In a flow control method according to one embodiment of the present invention, flow is controlled around the blade of a rotary wing having a blade to which a plasma actuator is provided, wherein, in the flow control method: a unique freq...  
WO/2020/185670A1
A horizontal axis wind turbine airfoil segment with vortex generator tape ("VGT") tape applied downstream of the leading edge and within the boundary layer is disclosed. Placing the VGT tape at distance of 60% chord results in the bounda...  
WO/2020/173921A1
The invention relates to a de-icing device for an air intake (2) of an aircraft turbojet engine nacelle extending along an X-axis in which an air stream flows from upstream to downstream, the air intake (2) having an inner cavity (20), e...  
WO/2020/161495A1
A vehicle (30) comprises a vehicle body (32) and a stabiliser device (34) for reducing fluid- dynamic drag of the vehicle (30), wherein the stabiliser device (34) is arranged on a lateral surface of the vehicle body (32), and wherein the...  
WO/2020/158283A1
The purpose of the present invention is to prevent generation of wingtip vortices and reduce induced drag. A fluid adjustment device (4) is provided with: a body part (7) mounted on a wing tip, which is an end part of a main wing (3) on ...  
WO/2020/157446A1
The invention relates to aircraft with wing tip devices, for example, folding wing tips. The folding wing tip may have a flight configuration for use during flight, and a ground configuration for use in ground-based operations. The groun...  
WO/2020/147912A1
A bio inspired foil-trailing-edge attachment to increase lift. The attachment consists of pattern of rounded tabs covering one half to one third of the foil, on the tip side.  
WO/2020/146399A1
High-performance winglets are provided for attachment to an airplane wing. A split blended winglet includes a blended or upper winglet smoothly extending from the wing tip above a chord plane of the wing and a lower winglet including a v...  
WO/2020/145485A1
A drone including a vertical wing serving as a landing support according to an embodiment of the present invention comprises: a main body part of the drone; at least one pair of horizontal wing parts formed on the main body part so as to...  
WO/2020/145677A1
A drone according to an embodiment of the present invention includes a flywheel (26) and a vane (28) in a gyro rotor unit (20), wherein the flywheel (26) is rotated to generate a lift in a direction perpendicular to a travelling directio...  
WO/2020/145837A1
The claimed invention relates to technical fields involving the use of aerodynamic lift. In an embodiment of an aerodynamic lifting surface, and more particularly in an embodiment of an aircraft wing configuration, in one of its possible...  
WO/2020/128662A1
An aircraft (1) is described that comprises: a fuselage (2) with a first axis (A) of longitudinal extension; and a tail portion (14) arranged at a tail end (13) of the fuselage (2); the tail portion (14) comprises two surfaces (15a, 15b)...  
WO/2020/127609A1
An aircraft wing (102) includes a closed surface wing tip device (104) which includes an element or actuator (330) within the wing tip for deforming / morphing the shape of the wing tip between geometrical configurations having different...  
WO/2020/107093A1
An aerodyne propulsion system consisting of a propulsive saucer, whose lift and maneuverability forces are governed by the fluid jet Coanda effect. The design foundation resides in the replacement of the conventional open, shaft-driven p...  
WO/2020/104781A1
A foil, such as an aerofoil, having a leading edge and a trailing edge, of which at least a portion of one or both of the leading edge and trailing edge has a serrated profile comprising a plurality of adjoining teeth, each tooth having ...  
WO/2020/095841A1
[Problem] To generate thrust efficiently by using the wind force of air flow blown upward in a drone having rotary wings. [Solution] A drone 100 is provided with: a body 110; a plurality of rotary wings 101 arranged around the body; and ...  
WO/2020/097114A1
A system includes a surface having a fluid flowing over the surface. The fluid includes a flow regime having a streamwise length scale greater than about 100 times η and less than about 100,000 times η, where η is a viscous length sca...  
WO/2020/049270A1
A wing tip device (120) for a fixed wing aircraft (4). The wing (2, 3) or wing tip device (120) has an alular-like projection. In particular the wing (2, 3) or wing tip device (120) has a first leading edge (26) region (131) having a fir...  
WO/2020/041509A1
A controlled turbulence system is disclosed to have a surface and means configured to induce a first wave form in a working fluid along the surface. Some embodiments of the invention may include a second means configured to induce a seco...  
WO/2019/164385A8
Wing root high-lift system with mobile fuselage wing, installed on airplanes at the root of the wings. The invention serves to increase lift and optimize load distribution of the airplane during all flight phases. It consists of two wing...  
WO/2020/023395A1
A fluid control system includes a deformable surface that covers a body in at least a first and second direction. The first direction is orthogonal to the second direction. The deformable surface includes a bottom side that faces the bod...  
WO/2020/022931A1
The invention relates to the field of aviation and wind power, and more particularly to designs of airfoils for aircraft or airplanes and designs of rotors for vertical-axis wind turbines. The technical result is a decrease in energy con...  
WO/2020/002724A1
The invention relates to a sustainable painting system for vehicles that mimics the anatomy of a peregrine falcon, reduces the impact of vehicles against birds and flying insects, improves aerodynamics and harnesses solar and wind energy...  
WO/2019/243119A1
The invention relates to a rear propulsion system (4) for an aircraft configured to ingest a boundary layer of said aircraft, the rear propulsion system (4) extending longitudinally along an X-axis, the rear propulsion system (4) compris...  
WO/2019/239123A1
A wing tip device comprising a shroud arranged to at least partially surround a wing tip of a wing. The shroud provides a longitudinal air channel, wherein the air channel is substantially parallel to the direction of movement of the win...  
WO/2019/216990A1
A system and a method for reducing drag on the aft-fuselage of an aircraft are provided, which system and method utilize at least one finlet provided on each side of the aft-fuselage of an aircraft for reducing drag -on the aft-fuselage,...  
WO/2019/211304A1
A tip structure may be arranged for example on a rotor blade (12) of a HAWT (10). The tip structure comprises a pressure side structure (50) arranged on a pressure side (43) of the blade, and a suction side structure (60) arranged on a s...  
WO/2019/207089A1
Conventionally, spars have been manufactured so as to have box sections to provide good torsional stiffness. However, this design makes them difficult to manufacture from composite materials using known techniques, such as Resin Transfer...  
WO/2019/195153A1
A wingtip of a lifting surface of an aeronautical vehicle, the lifting surface having a span, a leading edge, a trailing edge, an upper surface and a lower surface, the wingtip being in a range of five percent to fifteen percent of an en...  
WO/2019/194002A1
[Problem] To provide a supersonic airplane and a method for reducing sonic booms, by which sonic booms due to engine exhaust can be reduced. [Solution] This supersonic airplane has: a pair of engine nacelles 12R, 12L installed in a fusel...  
WO/2019/186208A1
An air-redirection formation for a tip portion of an aerofoil such as an aircraft wing includes: a first portion, which includes a first surface which forms a continuation of the aerodynamic lifting surface of the wing, and which is for ...  
WO/2019/187828A1
[Problem] To improve design accuracy and reduce design time in the process of matching the equivalent cross-sectional area of the design shape of a supersonic aircraft with a target equivalent cross-sectional area in the sonic boom reduc...  
WO/2019/164385A1
Wing root flap system with mobile fuselage wing, installed on airplanes at the root of the wings. The invention serves to increase lift and optimize load distribution of the airplane during all flight phases. It consists of two wing root...  
WO/2019/158875A1
An aircraft turbine engine comprises an annular wall (160) for splitting a flow of air, downstream of an upstream fan (14), first stationary blades (24) for guiding a primary flow and the second stationary guidance blades (26) attached t...  
WO/2019/155130A1
The lift distributed over the wings, empennage, ailerons and airframe reconsiders the flows of air particles around the load-bearing structures in turbulent mode. The turbulence is balanced by the symmetrical right/left magnetic binomial...  
WO/2019/138100A1
The disclosure relates to a wing 2 with at least two winglets 8,9,10 having a relative dihedral angle between them, and to a airplane 1 having such wings. An upstream winglet 8 broadens a region of inclined airflow, and a more downstream...  
WO/2019/133276A1
A faking assembly is provided about a duct outlet port, which is not parallel to an exterior surface of a vehicle, so as to turn fluid flow exiting the duct outlet port in a direction of surface fluid flow. The fairing assembly includes ...  
WO/2019/129971A1
Method for controlling the direction of a fixed-wing aircraft (1) having at least one wing (2), or a rotary-wing aircraft having at least one blade (3), where the wing (2) or the blade (3) experiences a flow of air that generates a lift ...  
WO/2019/125141A1
The present patent document shows a method for applying a composition to a skin of a mobile platform and a mobile platform, wherein the mobile platform comprises a skin, wherein the skin is provided with a plurality of openings, wherein ...  
WO/2019/115528A1
The invention relates to a wing for an airplane having at least two winglets, wherein a local angle of attack at the upstream winglet shall be reduced by a passive elastic morphing in heavy load conditions and wherein stall shall occur f...  
WO/2019/118623A1
A wing of an aircraft that includes a wing leading edge, a wing trailing edge, and a wing surface defined by a wing upper surface and a wing lower surface is described herein. The wing extends from the wing root to the wingtip, and the w...  
WO/2019/108090A1
A multi-mode airfoil comprises a main portion having upper and lower sides, a leading edge, a trailing edge, and teeth having a tip, an upper surface, a lower surface, and an entering edge, said teeth being mounted on the leading edge of...  
WO/2019/086616A1
The present invention relates to a swirling element for swirling a fluid flow for a rotating aerodynamic profile or a turbine, comprising: a fastening portion, which is designed for fastening to a profile surface; and a flow-active porti...  
WO/2019/034432A1
Disclosed is an actuation unit (15) for actuating a foldable wing tip portion (9) of a wing (3) for an aircraft (1). The object, to provide a highly compact and strong actuation unit, is achieved in that the actuation unit (15) comprises...  
WO/2019/011395A1
The invention relates to a wing with two winglets and a respective airplane. An upstream winglet broadens a region of inclined airflow and a downstream winglet produces a thrust contribution therein.  

Matches 1 - 50 out of 796