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Matches 1 - 50 out of 708

Document Document Title
WO/2018/007480A1
An aircraft comprises a fuselage, a wing (2) attached to the fuselage, a wing tip device (6) attached to a wing end (4) of the wing (2), at least one additional wing-like element (14) having a wing root (22), a wing leading edge (18) and...  
WO/2017/198248A1
Vehicle (1) comprising at least one rotor (3) which is driven by a driving device (2) and which includes at least two cylindrical rotor blades (4) that are mounted so as to be rotatable about the longitudinal cylinder axes (5) thereof by...  
WO/2017/185121A1
The invention relates to an aerodynamic profiled body (1) for an aircraft, in particular a winglet, comprising a front profiled element (2) having a profile front edge (4a), a rear profiled element (3) having a profile rear edge (3a), an...  
WO/2017/151225A1
A winglet (200) includes a winglet body (210) and a control body (220). The winglet body includes a first winglet surface (202) arranged opposite a second winglet surface (204). The second winglet surface is joined to the first winglet s...  
WO/2017/118832A1
An aircraft (1) comprising a wing (5) the wing having a fixed wing (7) with a wing tip device (9) moveably mounted about a hinge (11) at the tip thereof. The wing tip device (9) is operable between a flight configuration, and a load alle...  
WO/2017/112010A1
A wingtip device comprising a tube with internal waveguide surfaces and a means for vortices collection, affixed to a wing or air foil to capture wingtip vortices and convert them to smooth, laminar flow thereby eliminating the effects o...  
WO/2017/068292A1
The invention relates to an aircraft having at least one wing (5) including, at each end thereof, a fin (6) forming an angle of between 0° and 45° relative to the vertical. According to the invention, each fin (6) has a leading edge (7...  
WO/2017/069617A1
Dielectric barrier discharge DBD system for an air¬ foil of a wind turbine or an airplane, at least comprising a first exposed electrode, a second encapsulated electrode, and a material separating said electrodes and positioned between ...  
WO/2017/062900A1
A propeller blade-tip flow isolator that can be used on a propeller, rotor, or wind turbine is provided. The propeller blade-tip flow isolator integrates with the blade at the outer radius and shields the propeller blade-tip boundary lay...  
WO/2017/041018A1
A vehicle includes a main body and a gas generator producing a gas stream. At least one fore conduit and tail conduit are fluidly coupled to the generator. First and second fore ejectors are fluidly coupled to the at least one fore condu...  
WO/2017/027112A3
A strake (230) may extend along a portion of an approaching side of a tail boom (212) of a helicopter (300b). A number of vortex generators (VGs 236) may extend along a portion of a retreating side of the tail boom. For tail booms with c...  
WO/2017/009670A1
A device (318a) for influencing the wake flow of an aircraft wing (304a) having an inboard root end (310a) and an outboard tip end (312a), a high pressure side (306a) and a low pressure side (308a) and a leading edge (314a) and a trailin...  
WO/2016/189793A1
An aircraft flap 3 is equipped with: a flap body 8 which is provided so as to be deployable with respect to a main wing 2; and inclined portions 5 which are provided so as to protrude on the upper surface 301 of at least the end 40 on th...  
WO/2016/189994A1
[Problem] To reduce noise caused by a wing tip vortex of a wing in a flap or the like. [Solution] A flap 3 of an aircraft comprises: a flap body 8 provided in a deployable manner to a parent wing 2; and a vortex-creating part 50 having p...  
WO/2016/191466A1
A vortex generator might be attached to various types of articles to reduce the drag. For example, vortex generators might be attached to a garment or to adhesive tape. In addition, vortex generators might be attached to various types of...  
WO/2016/191118A1
Thermally stable microstructured layers comprising polyurethane, polyurea and/or polyurethane/urea semi-IPN materials are provided which have microstructured surfaces which are highly durable, erosion resistant, and thermally stable. The...  
WO/2016/184676A1
The problem addressed by the invention is that of establishing an adaptive flow manipulation that exhibits little modification of the surface. This problem is solved, according to the invention, by a flow control device (32) for manipula...  
WO/2016/179405A1
A dynamically controllable force-generating device configured to be incorporated into a vehicle, such as an aircraft or a ship, or an energy-harvesting device, such as a wind turbine, is disclosed. The dynamically controllable force- gen...  
WO/2016/154500A1
A three stage watercraft for operation in the water as a traditional boat at low speeds in stage one, for operation on the water's surface at mid-range speeds at stage two, and for traveling in ground effect at higher range speeds is dis...  
WO/2016/128625A1
Electromagnetic or magnetic fields are radiation of wasted energy or pollution, electromagnetic and magnetic radiation. In order to regulate these effects, the invention uses graphene oxide or graphene which has novel, discovered piezo e...  
WO/2016/126301A3
An aircraft is provided and includes a fuselage including a top and a tail, a main rotor apparatus disposed at the top of the fuselage, which rotates one or more rotors to generate lift, and an active flow control (AFC) system. The AFC s...  
WO/2016/105638A2
A battery containment pod including a body formed of a lightweight material. The body has an aerodynamic exterior shape and an interior cavity formed in the lightweight mate-rial, the size and shape of the interior cavity designed to acc...  
WO/2016/105638A3
A battery containment pod including a body formed of a lightweight material. The body has an aerodynamic exterior shape and an interior cavity formed in the lightweight mate-rial, the size and shape of the interior cavity designed to acc...  
WO/2016/084000A1
An auxiliary safety system for controlling the attitude of an aircraft (1) provides sensors placed on the aircraft (1) which identify stalling and/or other critical flying conditions that are imminent and/or have occurred, an electronic ...  
WO/2016/041751A1
Described and illustrated is a wing (3) for an aircraft (1), comprising a main wing (7) and a wing tip device (9), wherein a front blade (21) and a rear blade (27) of the wing tip device (9) extend away from an attachment end (19) in a d...  
WO/2016/022692A1
A split winglet configured for attachment to a wing of an airplane. The split winglet may include an upper winglet smoothly extending from the wing tip above a chord plane of the wing and a ventral fin projecting below the chord plane fr...  
WO/2016/008639A1
The invention relates to a tail boom (10) provided with a structure (20) and a protuberance (40), said protuberance (40) being secured to said structure (20). In each section of the tail boom, the protuberance extends upwards along an ex...  
WO/2015/198296A3
An aircraft design using an air intake structure (10) for reducing drag and assisting aerodynamic control surfaces in controlling the aircraft. The air intake structure comprises an outer skin (20) including a plurality of perforations (...  
WO/2015/162399A1
An aircraft comprises a wing (1) and a wing tip device (6). The wing tip device (6) is moveable between a flight configuration for use during flight and a ground configuration for use during ground-based operations. In the ground configu...  
WO/2015/150817A1
An aircraft wing (1) has a wing tip device (3) joined thereto. The root (7) of the wing tip device (3) is joined to the tip of the wing (1) at a first connection (11). An external strut (9) extends between the wing (1) and the wing tip d...  
WO/2015/127300A1
Airfoil assemblies and methods of using them are provided to accelerate air flow relative to the airfoil assemblies and to improve laminar air flow over airfoils. The airfoil may include a cathode disposed near a leading portion of the a...  
WO/2015/120833A1
The invention relates to flying robots which can cover large distances between arrangements of smooth or curved surfaces without requiring manual redeployment. This reduces the need for personnel and allows fully-automated maintenance of...  
WO/2015/107367A1
A winglet (3) has an inner end (5) and an outer (7). The winglet (3) has a varying radius of curvature (R) which: (i) decreases along the winglet over a first distance d1; (ii) remains constant over a second distance d2; and (iii) increa...  
WO/2015/027990A1
The invention relates to a wing comprising a wing leading edge (1), a wing trailing edge (2), and a wing border (3) running between the wing leading edge (1) and the wing trailing edge (2) on the free end. According to the invention, a t...  
WO/2015/024601A8
A System for controlling boundary layer of a fluid flowing over the surface of a body (2) is described. The system comprises at least one nanosecond- dielectric/resistive barrier discharge plasma actuator (1) disposed on said surface of ...  
WO/2015/024601A1
A System for controlling boundary layer of a fluid flowing over the surface of a body (2) is described. The system comprises at least one nanosecond- dielectric/resistive barrier discharge plasma actuator (1) disposed on said surface of ...  
WO/2014/188137A1
Reduction of the drag of a wall by an ultrasonic wave grating. A method for reducing the drag of an aircraft comprising at least one device for generating an ultrasonic interference grating on at least one shrouded wall of the aircraft, ...  
WO/2014/186023A9
The lift and drag performance of all vehicles is strongly influenced by viscous effects, and in turn, laminar separation bubbles. This application employs an effective fluid boundary layer control strategy that reduces parasitic drag, al...  
WO/2014/186023A3
The lift and drag performance of all vehicles is strongly influenced by viscous effects, and in turn, laminar separation bubbles. This application employs an effective fluid boundary layer control strategy that reduces parasitic drag, al...  
WO/2014/176431A1
A method of modifying a helicopter includes providing a tail boom of the helicopter. The tail boom includes a first side located on an opposite side of the tail boom from a second side of the tail boom. A main rotor blade of the helicopt...  
WO/2014/170693A1
A winglet (5) comprising a tubular main spar (10) with forward and aft main spar webs (12, 13) joined by upper and lower main spar caps (14, 15); a front spar (11) with a front spar web (16), an upper front spar cap (17), and a lower fro...  
WO/2014/170692A1
A braided composite spar (10) or preform for a braided composite spar, comprising a plurality of tubular plies of braided fibres, wherein the spar (10) or preform extends lengthwise from a root(10a) to a tip (10b), and the spar or prefor...  
WO/2014/170691A1
A braided composite spar (10) or preform for a braided composite spar, comprising a plurality of tubular plies of braided fibres, wherein the spar (10) or preform has a centre line which extends lengthwise from a root (10a) to a tip (10b...  
WO/2014/170690A1
A braided composite spar or preform for a braided composite spar with a plurality of tubular plies of braided fibres. Each ply has a first set of fibres which wind in a clockwise direction in a first series of turns with a pitch between ...  
WO/2014/165106A1
An aerodynamic or hydrodynamic wall surface has an array of fibrillar structures disposed on and extending from the wall surface, wherein each fibrillar structure comprises a stalk and a tip. The stalk has a first end and a second end, w...  
WO/2014/140590A1
A cavity system that tends to increase the thickness (28) of the shear layer (22), comprising: a cavity (2) and a plurality of rods (4), for example between two and six rods; the rods (4) are positioned in the proximity of a leading edge...  
WO/2014/140587A1
A cavity system that tends to increase the thickness (28) of the shear layer (22), comprising: a cavity (2) and a plurality of rods (4) extending away from the cavity base (3) to a height extending beyond the leading edge (14); the rods ...  
WO/2014/131055A1
Embodiments of the invention relate to a method and apparatus for providing high thrust density plasma, and/or high control authority plasma. In specific embodiments, such high thrust density, and/or high control authority, plasma can be...  
WO/2014/123611A3
A method for determining a pressure time history of a pressure wave originating from a vehicle traveling at or above supersonic speeds when the pressure wave undergoes a focusing due to convergence and intersection with a neighboring pre...  
WO/2014/120328A3
A novel passive control technique for laminar flow over air transportation vehicles and space reentry vehicles flying at high supersonic and hypersonic speeds is disclosed. The control of laminar flow can be achieved by applying an array...  

Matches 1 - 50 out of 708