WO2018050145A1 - Élément volant ou aérotracteur avec unité d'alimentation en d'énergie - Google Patents

Élément volant ou aérotracteur avec unité d'alimentation en d'énergie Download PDF

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Publication number
WO2018050145A1
WO2018050145A1 PCT/DE2017/000305 DE2017000305W WO2018050145A1 WO 2018050145 A1 WO2018050145 A1 WO 2018050145A1 DE 2017000305 W DE2017000305 W DE 2017000305W WO 2018050145 A1 WO2018050145 A1 WO 2018050145A1
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WO
WIPO (PCT)
Prior art keywords
flight
sliding element
air
valve
outer skin
Prior art date
Application number
PCT/DE2017/000305
Other languages
German (de)
English (en)
Inventor
Harry Martin
Original Assignee
Harry Martin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102016011435.5A external-priority patent/DE102016011435B4/de
Priority claimed from DE102016011434.7A external-priority patent/DE102016011434B4/de
Application filed by Harry Martin filed Critical Harry Martin
Publication of WO2018050145A1 publication Critical patent/WO2018050145A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C31/00—Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft
    • B64C31/06—Kites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C31/00—Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft
    • B64C31/06—Kites
    • B64C2031/065—Kites of inflatable wing type

Definitions

  • the invention relates to a flying or sliding element, in particular a kite screen, as well as a power feed unit.
  • Kitesurfing also kiteboarding or stunt kite sailing, is a relatively young sport.
  • kitesurfing the athlete stands on a board, which resembles a small surfboard or wakeboard, and is pulled over the water by a stunt kite - also called a windscreen or umbrella.
  • the forward movement is thus comparable to surfing with wind propulsion.
  • kite surfers there are currently estimated by experts and industry about 500,000 people who operate this sport regularly.
  • the number of kite surfers has increased rapidly in recent years. Compared to windsurfing, the equipment is cheaper and more compact. Apart from that, no other water sport allows such a wide variety of jumps and jumps
  • Kites are available in different designs, which also differ in attack surface and angle of the wind. Leashes can be used to steer the stunt kite so that the forces exerted on the athlete vary in direction and strength. The size of the screen is also dependent on the wind strength.
  • the kites or kites are about linen or the like. Connected with the athlete and are controlled by this over the lines.
  • the softkites or ram-air kites or mats look like paragliders and are especially suitable for use on land, for example when snowkiting. But there are also closed cell soft kites that can be used to surf the water.
  • Tubekites have different than softkites several outer tubes with therein inflatable inner tubes (Tubes): a front tube (front tube), which gives the screen the shape and one or more cross tubes (struts), which are connected approximately at a 90 ° angle to the front tube and Tubekites can be used on the water
  • a C-kite gets its name thanks to its C-shaped, so very curved shield shape, resulting in a smaller surface that can "catch" correspondingly less wind. He is one of the Tubekites and his front tube is square at both ends.
  • Bow kites are very similar to the C-kites in construction, however, the profile is much flatter and the front tube is not linear, but is curved towards the two ends, which led to the naming.
  • the bow shield has "kite cords" with several points of attachment to the kite.
  • the hybrid kites are a mix of C-kites and bow kites, which are like bow kites, where the front tube is stabilized by means of lashing lines at several attachment points. Shape kites are a further development of the bow kites, they are flown with 4-5 lines.
  • a sports steering kite (DE 101 16 109 AI), which proposes a self-stable and weight-reduced construction, which has a carrier transverse to the direction of flight of a plastic batt, and that the carrier in or around a pressure point of a buoyant surface of fabric or foil between the front luff At the lateral ends of the lifting surface, at least two side members in the direction of flight are fastened from an aerodynamically shaped fabric or a foil profile.
  • a disadvantage of the known flight or sliding elements is that the inner tubes often lose air and thus become unstable. The inner tubes are sensitive and unstable, a repair is complex and time-consuming. Soft kites run the risk of losing so much air when landing on the water, especially in waves, that a water start is no longer possible. In an emergency, these can no longer serve the kitesurfer as a liferaft.
  • kite-like missiles especially ites, from a ground-level
  • Ropes connected to the base station or the vehicle are connected to the base station or the vehicle.
  • kite systems are used, for example, for alternative energy production by wind power.
  • WO 2007/12265 A1 describes a wind energy system used for energy generation, which comprises at least one kite which can be controlled from the ground.
  • This kite is connected via two control cables to a base platform from which the kite is controlled.
  • On the base platform there are also two winches on each of which one of the two control cables is wound over pulleys.
  • the winches are each coupled to an electric motor which, on the one hand, operates the winches to extend or shorten the control cables for steering the kite.
  • DE 10 2004 018 835 AI discloses a watercraft with wind propulsion, in which at least one free-flying kite-like wind engagement element with an airfoil profile of exclusive, auxiliary or as an emergency drive is connected only via a pull cable to the vehicle body, wherein control means are provided, the a Windingriffselement having a wing profile with a substantially transverse to
  • a disadvantage of the known energy supply units is that the kites of the respective vehicles must in each case set themselves into the correct position for wind attack by consuming control methods in order to obtain energy.
  • the object of the invention is therefore to provide a flying or sliding element which does not require any additional inner chambers located inside an outer skin and nevertheless allows sufficient stability for exercising the sport and makes available an energy supply unit, for example the use a kite in a simple way to generate energy.
  • a flying or sliding element in particular a kite screen, which has a self-sealing outer skin.
  • the kite screen is inflated.
  • the introduced air or a gas like helium flows directly into the outer skin.
  • the outer skin forms one or more air chambers, which are formed entirely from the self-sealing outer skin. This training allows dimensional stability over a longer period. Depending on the positioning, the air chambers can have different sizes and also form very small structures.
  • the outer skin has a sealing property, which is ensured in particular by a suitable material that allows the seal.
  • this includes gumming, coatings, film-layer composites, structuring, chemical and / or heat treatment, formation and pretreatment of the fibers of fabrics, liners; Post-treatment, in particular by blowing or applying protective layers or sealing material, and the like.
  • the sail surfaces may be formed from the material of the outer skin.
  • the outer skin may be formed kinking, folding and rollable like flat pressure hoses. They have a low weight, are airtight and water-repellent, tear-resistant, UV-resistant, antifouling and saltwater resistant.
  • the air chambers may be formed as indentations or bulges. There may be only one air chamber or a plurality of separate air chambers may be formed.
  • the outer skin may have an air pressure indicator and possibly a pressure relief valve.
  • the air chambers can be inflated or inflated by means of a pump or be self-inflating.
  • the air chambers can be filled with air, especially when starting and when flying. This is done by filling the dense skin over one or more valves that automatically open and close mechanically or electrically.
  • the valves can be operated for example via a magnetic switch.
  • the flight or sliding element may be formed in a modular manner and be composed of several components as needed. This allows flexible size and shape design. For example, one or more segments or air chambers can be arranged on a base element. This creates a larger sliding surface. The arrangement and thus the size and design of the aircraft or gliding Elements can thereby by mounting or dismounting, exchange, extension and retraction, flaps, rollers or the like. to be changed.
  • the modules each comprise at least one transverse body and / or a partial front body, and / or a sail.
  • the segments which can be attached to the basic elements, can be connectable, for example, with connecting elements such as quick couplings. These fasteners for air chambers, air chambers with segments or the like.
  • hoses can be designed as quick-acting closures or valves and interchangeable. It is also possible to use quick couplings, plug-in terminals or push-in terminals. It can be used closure elements, which are also used as caps or plugs for hoses or air chambers. If they are designed as valves, they have access to the interior of the air chamber, for example the front body and / or the transverse body, which can serve for repair and cleaning purposes. For closing openings and leaks, a glue gun or the like. be used.
  • the hoses may have a round or conical or elliptical cross section.
  • the self-sealing outer skin can be sewn and / or glued, welded, vulcanized, gummed or the like. be and have reinforcing or sealing elements.
  • the material used for forming the outer skin or the material structure for the air chambers and the sail area as well as for areas of air chambers and sail surfaces can be designed differently.
  • the self-sealing also takes place through the use of valves and the structure of the outer skin forming material in combination with each other, in particular rubberized or suitably coated hoses. It can be used materials comparable to pneumatic hoses, which are formed with valves and caps closable. They may be connected with connectors.
  • the tubular fabric can be molded or sold by the meter.
  • the flight or sliding element may additionally inflatable structures such as rods formed of sealed material, slats or the like. or solid rods or slats, which are rigid or formed as telescopic structures. These structures can be pressed apart by inflation, in particular by aerating during takeoff and / or flying, and thus span and stabilize the surface of the flying and sliding element. When the air is released, the telescopic structures merge again or lie folded like a fold on each other.
  • These inflatable structures can be hoses that can be made comparable to bicycle hoses. They can be fabric hoses and / or rubberized.
  • hoses can directly form the self-sealing outer skin and be associated with sail (s) or it can be connected to these the outer skin, so that it has the self-sealing effect.
  • the hoses for the air chambers can be formed by plastic welding or sewing. They are inserted into the blank of the outer skin and are then in particular welded.
  • the outer skin can also be produced in particular by weaving from threads provided with a sealant and then sealed in particular by vulcanization. Any necessary repair is done, for example, by patching.
  • the hoses may be formed as a molding or pressure hoses or be designed according to a fire hose. If the hoses are available by the meter, sealing caps can be used.
  • Area-bonded sheet-like nonwoven fabrics with a stiffer character or point-bonded products with a textile, softer character can be used.
  • the self-sealing outer skin can be formed independently and then or the like with the sail or sails by sewing, gluing, welding, straps and pockets, hanging, clips, insertion into a Keever or the like. be connected or incorporated into the one or more sails, so that the sail is taut.
  • the flying or sliding element may have devices similar to a bellows, which act by inflation as the above-mentioned inflatable structures.
  • sealing means In the air body of the flying or sliding element sealing means can be introduced, which can then be discharged again. As a result, the outer skin can be sealed off or, if necessary, repaired.
  • the sealing means may also be disposed inactive on the outer skin within the air bodies and be activated by suitable measures, in particular mechanically, electrically or by air pressure. Another type of sealing can be done in particular by a stopper, which can be pressed if necessary in the resulting hole.
  • the good seal can be achieved by heating, vulcanization, gluing, vapor deposition or chemical reactions.
  • For the formation of the outer skin with fibers specially adapted thereto sealant can be used.
  • As a material for the outer skin bionically formed fabrics and fabrics or influenced by the bionics panels can be used.
  • the outer skin may have contours, such as, for example, small protrusions or hedgehogs, which are in particular round-shaped, or have honeycomb-like configurations, or have structures patterned after a spider's web, which increases one Effect strength.
  • contours such as, for example, small protrusions or hedgehogs, which are in particular round-shaped, or have honeycomb-like configurations, or have structures patterned after a spider's web, which increases one Effect strength.
  • the outer shape of the flying or sliding element may be polygonal and have rounded corners.
  • the outer skin may be formed as a functional fabric, the like on a base material such as a fabric such as natural silk, rayon, viscose or the like. based. This distinguishes the formation of the invention from the prior art base materials used as film laminates or the like. are formed.
  • the skin formed according to the invention can additionally be treated, so that the existing conditions with regard to the use for the flying and sliding element are optimized. The treatment can also be done after assembly in addition or subsequently.
  • the coating of the outer skin may be in particular a glued rubber film. Certain fibers, such as polyester yarns, can be coated before weaving and then processed. These fibers can by special measures such as heating or the like. ensure the tightness. These functions can be activated in particular by these measures after production.
  • the outer skin may be formed, for example rubberized on its inner surface. It can be done inflating the mold.
  • the outer skin may also be a treated Gewebestoff.
  • the impregnated or coated side of the inflatable outer skin and an inner surface may in particular be connected to the outer skin by heating. The tightness can alternatively be generated by gluing.
  • the inner surface thus acts as a sealing component for the air chambers.
  • the tube diameter of the air chambers formed from the outer skin can vary as needed in coordination of the aerodynamics and the intended or required air pressure and the stiffness for the flying or sliding element. Due to the design according to the invention, even the smallest diameters, e.g. 5 mm or larger diameter ausbowbar.
  • the sails and the segments may be connected to the air chambers through connecting devices such as connectors, quick couplings, clippers, clips, tabs and pockets, suspension devices, insertion into a welt, closures, hooks, clips, hook-and-loop fasteners or other suitable connection means.
  • connecting devices such as connectors, quick couplings, clippers, clips, tabs and pockets, suspension devices, insertion into a welt, closures, hooks, clips, hook-and-loop fasteners or other suitable connection means.
  • Gluing on a repair patch to be repaired can also be done with tools such as a glue gun.
  • valves are arranged, which are also used for repair purposes and can be removed and installed.
  • the valves may also be as closure elements of air chambers and form an access to the interior of the air chambers, ie front and / or cross body.
  • a first valve A may be formed as an inlet and outlet valve.
  • a second valve B is an internal or internal valve that opens during filling and closes when pressure drops.
  • the valves A and B may be designed as pressure relief valves and / or comprise pressure displays.
  • the valves A and B thus replace the freely external connecting hoses of air chambers of the prior art.
  • the valves may have caps and lids or quick-release closures.
  • the lid can be unscrewed similar to a bottle screw cap with a thread formed.
  • the covers of the valves and / or the valves may be designed to be removable and removable for cleaning and repair purposes of the air chambers. All attachments as well as the valves and caps can be interchangeable arranged. It can also be fixedly arranged support components, where then attachments can be attached.
  • the abovementioned sealing means or repair means can also be introduced via further accesses, such as, for example, the valve openings and closure caps or valve seats.
  • valve C In a transversely arranged in the flight or sliding air chamber, for example, a valve C is arranged.
  • This valve C is designed as a pressure relief valve or possibly allows access into the air chamber and thus also serves cleaning or repair purposes. It may be adjacent or in addition to an on or inside valve D be ordered, which is automatically and / or operable from the outside.
  • Valve D opens when filling and closes when the pressure drops.
  • the valve D can also be designed as a pressure relief valve or pressure-dependent opening and closing and also allow access to the inside, for example for cleaning or repair purposes, or serve as an inlet or outlet valve.
  • the valve can also be operated from the outside.
  • the valves A, B, C and / or D are automatically or mechanically operated. They can also be operated electrically or electronically.
  • the operation can be done from the outside.
  • the valves can also be remotely controlled.
  • the valves are suitable for use as connection couplings of the individual air chambers, for fastening and air outlets for quick connection and disconnection of the air outlets.
  • the valves may be reversible designed for the passage of the air in the desired direction and / or closing or opening of passages.
  • the valves can by plug connectors, bayonet, quick couplings or the like. be used for the connections of air and / or rods.
  • the valves can be operated by turning, pushing or pulling and also fulfill the function of discharging or blowing out the air.
  • transverse or longitudinal bulkhead may be incorporated in one embodiment of the invention, so that in case of air loss in one part of the flight or sliding element, the other parts are sufficiently sealed and not lose much stability.
  • the bulkheads are made of lightweight fabric panels and can constrict the outer skin to which they are attached in order to achieve certain desired shape designs, but also serve as a dense partition.
  • sail surfaces are formed at or between the air chambers or the reinforcing elements. The sail surfaces may be formed above a plurality of air chambers, so that above no back pressure arises, but also be performed by the air chambers and thus be designed as a bulkhead, through which the air chambers are divided into halves or half shells.
  • Each half-shell or each part of the air chambers can be inflated or the air contained can be discharged.
  • the targeted bulkheads also serve to deform an inflated round body. This can assume an oval shape by the introduction of a bulkhead, since it can be made flatter, in particular in the constriction than in the more remote area. This can result in aerodynamically different and better properties.
  • kites and parachutes, and / or paragliders, and / or floats, and / or dinghies for military or recreational sports can be combined.
  • a power generation in particular by air, or also by the incorporation of textiles, by application of foils as well as coatings, which act like solar cells take place.
  • the air flow and the solar cell effect can provide energy.
  • Operations such as the opening and closing of valves can on leashes, possibly live leashes, via magnetic switch or the like. or via a radio control.
  • Controls can also be remotely controlled with a controller.
  • a kite-screen or a similar kite-like gliding or flying object is disclosed, which can not win the energy alone by the wind power, but also by the formation of its outer skin by photovoltaic.
  • the air chambers and the sail surfaces of the kite are formed from an outer skin, which have a solar cell effect.
  • This solar cell effect results, for example, from the selection of a material which comprises solar cells or the application of films or coatings, lacquers or the like which act in a similar manner to solar cells or comprise solar cells.
  • Air or sliding body with air chambers can with air, compressed air, gas such as helium or the like. be filled.
  • the outer skin of the kite-screen or the like can be through the training, in particular as a composite material or the application of paints, films, coatings, fumes or the like. have a solar cell effect of the surface, which formations may contain incorporated solar cells.
  • solar cells in a very thin, flexible design can be formed, which are arranged areally on the outer skin of the kite.
  • plastic solar cells are suitable for this purpose, which are connected, for example, with graphite and sewn into a polymer matrix. It is also possible to use materials or composite materials with organic solar cells, so-called plastic solar cells. These solar cells are made of hydrocarbon compounds, ie plastics. Such compounds have electrically semiconductive properties.
  • plastic solar cells are made of hydrocarbon compounds, ie plastics. Such compounds have electrically semiconductive properties.
  • the material for this type of solar cell is based on organic hydrocarbon compounds with a specific structure that gives the relevant materials the essential properties of semiconductors.
  • Typical representatives of organic semiconductors are conjugated polymers and molecules, whereby also specially synthesized hybrid structures are used.
  • the production takes place via Abdampfreae and then form multi-layer systems.
  • the organic photovoltaic is suitable for use in the production of the energy supply unit according to the invention.
  • the use of such trained substances is also suitable for energy production for vehicles, aircraft, ships and the like. Either the said means of locomotion themselves have such a surface acting as solar cells, or the surface comprises flexible solar cells, or the kite connected with such vehicles serves to generate additional energy.
  • the use can also take place on buildings, in particular on roofs, walls and the like connected therewith, in particular also sun protection devices such as awnings; Tents, canopies, truck roofs, etc.
  • the energy obtained is suitable for driving engines or aggregates, for operating control elements, for lighting, for generating electricity for a second electric circuit, or the like.
  • hybrid lines which include both the function of the kite-lines as well as the functions of power management and other functions.
  • the hybrid lines include the lines commonly used for kites and, in addition to their function as pull, hold and control lines, have additional units, such as, in particular, power, hydraulic, pneumatic lines; Antennas, lightning rods, etc.
  • a hybrid line can thus have one or more additional functions.
  • the structure and arrangement of the hybrid lines is variable and can be adapted to the respective requirements.
  • the properties of the hybrid lines can complement each other and optimize each other's properties.
  • the hybrid lines can be arranged in parallel or, for example, be formed spirally, so that they are stretchable according to the wind strength and direction.
  • the hybrid leads can include all the required components, so no disturbing additional function carrier such as electricity, hydraulic, pneumatic lines or antennas, lightning rods and the like. must be arranged independently and installed. Thus, the handling of these hybrid lines and the controllability during extension and retraction of the kite is made possible in a simple manner.
  • the flight or sliding element according to the invention has the advantage that the special shape and stability can be maintained and maintained over the long term by the design without bladder and the resulting freedom of design and arrangement of the air chambers.
  • no assembly work such as retrieving individual air chambers from an envelope construction as in the current state of the art is more necessary.
  • Due to the effect of the self-sealing outer skin and the elimination of additional inner chambers the design of the air chambers and thus the structure of the flight and sliding element taking into account the aeronautical requirements such as aerodynamics, weight, etc. in various configurations is possible.
  • the individual components of the sliding and flight element can be designed as a kit with sail surfaces and air chambers.
  • the "air bags" or "bladder" used within the outer skin have been eliminated.
  • the energy supply unit has the further advantage that not only a natural energy source can be used by a flight element such as a kite, namely the wind power, but also by the formation of the outer skin or surface of the kite solar energy. Therefore, the control of the correct position of the kite to the wind also no longer needs to be controlled and adjusted complicated, since a non-optimal use of wind power is not only compensated by the additional solar energy won, but is supplemented or additionally available.
  • FIG. 1 shows an oblique view of the flying or sliding element in an oblique view from below
  • FIG. 2 shows the flying or sliding element in a plan view
  • FIG. 3 shows schematically the starting material for the outer skin
  • FIG. 6 shows a section B3 through a flight or sliding element with a valve
  • FIG. 9 shows a section B6 with air chamber and sail
  • FIG. 10 shows a section B7 through the outer skin
  • FIG. 14 shows a further sealing element
  • FIG. 15 shows a sealing element with a mandrel
  • FIG. 16 shows another sealing element with a mandrel
  • Fig. 17 shows a pad for sealing
  • Fig. 18 illustrates a bulkhead in an air chamber
  • FIG. 19a shows a view of the flying or sliding element with a side element
  • FIG. 19b shows a projection of a sail area
  • 21a to 21d illustrate embodiments of air chambers
  • FIGS. 22a to 22e illustrate exemplary embodiments of an air inlet and outlet valve A.
  • FIGS. 22a and 22c show the valve in a sectional plane X and FIGS. 22d and e show a sectional plane Y,
  • Figs. 23a to 23i illustrate embodiments of a built-in valve B, Figs.
  • 23a shows an oblique view with the sectional planes XI and ZI
  • 23c shows a section through the sectional plane ZI
  • 23d shows a section through the sectional plane XI
  • FIG. 23e shows a section through the sectional plane ZI
  • FIG. 23f shows a section through the sectional plane 23g shows an oblique view with the sectional planes X2 and Z2
  • FIG. 23h shows a section through the sectional plane Z2
  • FIG. 23 shows a section through the sectional plane X2
  • FIGS. 24a to 24e illustrate a simple open-close valve B.
  • FIG. 24a shows an oblique view in the sectional planes X3 and Z3.
  • 24b shows a section through the sectional plane X3
  • FIG. 24c shows a section through the sectional plane Z3, FIG. 24d according to FIG. 24b the opened valve B and FIG. 24 e the opened valve B according to FIG. 24c, FIG.
  • FIGS. 26a and 26b respectively show two air chambers in different positions in section from the side
  • FIGS. 27a to 27d show further details and exemplary embodiments of FIG. 1 in a plan view
  • FIG. 28 shows a plan view of a variable sail structure
  • Figs. 29a to 29d show arrangements of air chambers and sail surfaces
  • FIGS. 30a to 30c show different air chamber connection elements in an exploded view
  • Fig. 32 illustrates additional elements to a leash
  • Fig. 33 illustrates a hybrid cable with additional media
  • Fig. 34 shows a different configuration of the hybrid line.
  • the flying or sliding element has an outer skin 12 which does not comprise any additional so-called “bladders” but is directly inflated or filled with air or compressed air by means of a single-pumping system is formed self-sealing, wherein the flying or sliding element 10 includes one or more
  • Front body 14 one or more parts formed, and one or more transverse body 18, 20, 22, 42.
  • the transverse body 18, 20, 22, 42 serve as stiffening elements of a sail 24.
  • the front body 14 may bulkhead 26, 28, 29 , 30, 32, whose seams on the outer skin 12 are visible in this representation.
  • the transverse bodies 16, 18, 20, 22 each have connection tubes 34, 36, 38, 40, 42 to the front body 14.
  • the connecting tubes 34, 38, 40, 44 are tight.
  • the transverse bodies 18, 20, 22, 42 can be inflated during the flight, for example by opening or closing a rotary switch.
  • FIG. 2 shows the flight or sliding element 10 of FIG. 1 in a plan view.
  • the fifth transverse body 42 is visible, which is connected via the fifth connecting hose 44 with the front body 14.
  • the sectional plane Bl is indicated, in which the Fig. 4 ff. Are shown.
  • a first transverse body 16 is arranged on the first connecting hose 34. 16 draws the hidden in Fig. 1 cross body.
  • the transverse body 16 has a self-sealing outer skin 12.
  • the front 14 and the cross body 16 are each filled with air. This also applies to the other transverse body.
  • FIG. 3 schematically illustrates the starting material 46 for the outer skin 12.
  • the starting material 46 is air-tight and watertight.
  • Fig. 4 shows a section Bl of Fig. 2, in which the front body 14 is shown with the self-sealing outer skin 12.
  • the front body 14 has a first valve 48 through which air can be introduced and discharged.
  • the valve 48 is designed so that it prevents unwanted air leakage. It is an inlet or outlet valve 48, which may additionally be designed as a pressure relief valve and / or pressure gauge or may include a pressure relief valve.
  • a sail 50 on the front body 14 and the cross member 20 is arranged. This sail can also be the sail 50 ', 24, 24', including individual sail segments.
  • FIG. 5 shows a section B2 of a front 14 and a transverse body, each having a self-sealing outer skin 12.
  • a third valve 54 is arranged on the front body 14.
  • the second valve 52 is formed inside the front body 14 and opens automatically when filling the front body 14 with air and closes at pressure loss.
  • the third valve 54 in the transverse body may be formed as a pressure relief valve, access to the inside for cleaning or repair purposes or as an inlet and outlet valve.
  • Fig. 6 shows a section B3 through an air or sliding element 10 with a valve 48.
  • the front body 14 and the transverse body are integrally formed and can serve as a base element and / or segment for the flight or sliding element 10, wherein valves , Transitions and accesses between the individual segments can lie or can be grown on the individual segment.
  • Fig. 7 shows a section B4 by a flight or sliding element 10 with another valve 56, which is formed on the inside and can be operated automatically and / or from the outside, opens during filling and closes at pressure loss within the system, and as Total pressure relief valve or access to the inside for cleaning and repair purposes or as an inlet and outlet valve is formed.
  • Fig. 8 shows a section B5 with a sail 50, wherein the outer skin 12 is formed self-sealing. In this arrangement, the front body 14 is connected via the sail 50 with a rear body 58 and thus together form a nearly or completely closed contour. The sail 50 stretches when inflating the front body 14 and the rear body 58.
  • the flight or sliding element 10 may be constructed from one or more material webs and have one or more air chambers, which are formed from the outer skin 12. Reinforcement elements such as rods, slats or the like, in particular inflatable elements, can be arranged for reinforcement. It can also be arranged telescopic parts that move apart by the inflation of the front 14 and the rear body 58 and stabilize the sail 50.
  • Fig. 9 shows a section B6 with front body 14, rear body 58 and sail 50, in the front 14 and rear body 58 form a nearly or completely closed outer contour.
  • the sail 50 spans when inflating the body 14 and 58.
  • the flight or sliding element 10 may be constructed from one or more material webs and having one or more air chambers, which are formed from the outer skin 12. Furthermore, this embodiment can have transverse bodies and / or air chambers 60.
  • the air chambers 60 may have a round or elliptical or flattened conical cross section.
  • Fig. 10 shows a section B7 through the outer skin 12, which is formed self-sealing.
  • the front body 14 is inflated as much as possible in order to locate a possibly existing leak.
  • a sealant Into the leak is pierced with a piercing tool 62 and it is introduced a sealant. Due to the internal pressure and the leakage behavior at the leak, the sealant is pressed against the leak area and through the leak. In the process, the sealant (bonded or by vulcanization) bonds to the outer skin 12 at the leak and closes it.
  • the sealant may comprise fibers or similar stabilizing constituents. It can be colored or neutral.
  • a repair can also be made using or similar to a hot melt application.
  • Fig. 1 1 illustrates a section B8 through the outer skin 12, wherein the leak 64 in this illustration is already sealed by the sealing means as described in Fig. 10.
  • the repair can also be done by means of a PIN or by hot glue.
  • the sealing element 66 (PIN) with a visible tear-off edge 68.
  • the sealing means may be formed as an adhesive and be applied in advance on the sealing member 66 or during insertion or removal of the sealing member 66th to wet this from the outside. It can also be arranged storage chambers, which provided by bursting the sealing member 66 with the adhesive.
  • Fig. 13 shows another sealing element 70 (PIN) in another embodiment
  • FIG. 14 illustrates another sealing element 72 (PIN) which also has a tear-off edge 68.
  • Fig. 15 shows a sealing member 74 ( ⁇ ) with a mandrel 76 having an inner tear-off edge 78.
  • the sealing element 74 has a tear-off edge 68.
  • the sealing element 74 is pressed by means of a tool comparable to a blind rivet in the leak.
  • the sealant combines with the outer skin and closes the leak.
  • FIG. 16 illustrates another sealing element 80 (PIN) with a mandrel 82 and an inner trailing edge 84.
  • Fig. 17 shows a pad 86 for sealing.
  • the leak is glued to the pedestal 86. It can be designed in various shapes and sizes as well as colors.
  • FIG. 18 shows an embodiment with a bulkhead 247 which is arranged in the transverse body 20.
  • the bulkhead 247 divides the transverse body 20 into an upper side as a half shell 248 and a lower side as a half shell 249.
  • the upper side of the transverse body 20 is open through a connection opening 14 to the front body 12 and is thereby simultaneously ventilated.
  • the bottom of the cross member 20 forms through the bulkhead 247 and the on or inside valve B with the connecting element for the air guide 148 via the front body 12 through the valve B externally controllable ventilation a separate air chamber.
  • FIG. 19a illustrates a flying or sliding element 10 with transverse bodies 18, 20, 22 and a sail 50.
  • the transverse bodies 18, 20, 22 can penetrate or intersect the sail 50 as required or be part of the sail 50 or from below of the sail 50 to above the sail 50 change.
  • the sail 50 may also be a part of the transverse body 18, 20, 22 and longitudinal body.
  • the flying or sliding element 10 may have at its outer ends in each case an angled side member 88, which serves for stability and allows a quieter flight.
  • FIG. 19b shows the flying or gliding element 10 with an outer region W. Also in the outer region W, the air chamber 60 can penetrate or overhang the sail surface contour profile.
  • the air chambers 60 that meet the requirements, may be part of the surface of the sail 50, 50 'and the inflow surface.
  • FIGS. 20a to 20r show embodiments of sails 50 and air chambers 60 which form a base element 92, wherein the air chambers 60 can have an amplification function.
  • the gain function is carried out in particular by attachable air chambers, z.
  • FIG. 20h supporting elements such as slats or rods.
  • Figs. 20a to 20r show embodiments of sails, air chambers and support members, Fig. 20i showing an example of the sails and the air chamber, and Fig. 20j showing an example of sails and support members. A combination is also possible.
  • FIG. 20a shows a central part or basic element 92 of a flight and sliding element 10 with an air chamber 60 and with a sail 50, wherein both the sail 50 and the air chamber 60 can have a reinforcing function.
  • FIG. 20b shows a segment 90 which can be attached to the middle part on the left.
  • FIG. 20c shows an attachable segment 90 on the right, which is shown in mirror image to the illustration in FIG. 20b.
  • FIG. 20 d shows a deviating embodiment of a segment 90 which can be attached to the left, with an edge 94
  • FIG. 20 e shows a segment 90 which can be attached to the right, which is formed in mirror image to FIG. 20 d.
  • FIG. 20f can be replaced by extension and retraction, flaps, rollers or the like. to be changed.
  • Fig. 20g is another mountable segment 90 in mirror image to the representation of Fig. 20f.
  • FIG. 20h shows an attachable segment 90, which is designed as an air chamber 60, which can also serve as a reinforcing element.
  • the air chamber 60 has the shape of an elongated round body.
  • FIG. 20i an attachable segment 90 with a sail area 50 and a variable number of air chambers 60 is shown.
  • FIG. 20j shows an attachable segment 90 for the trailing edge of the flight and gliding element 10.
  • FIG. 20k shows a base element 92, which is able to fly on its own. For example, to the base member 92 of FIG.
  • the mountable segment 90 may be disposed and include a sail surface 50 formed with and without support members.
  • the support elements can reinforcements, slats, tubes or the like. be and be rigidly or mechanically, electrically or air-controlled retractable and retractable.
  • FIG. 201 represents an independently flightable basic element 92 with an ner edge 94, to which the attachable segments 90 can be arranged from the figures 20f and 20g.
  • FIG. 20m illustrates a basic element 92 according to FIG. 20a to which the attachable segments 90 from FIGS. 20b and 20c are arranged. It is also possible to arrange the mountable segment 90 from FIG. 20i, see FIG. Labels in parentheses. In addition, the segment 90 can still be arranged from the Fig. 20h.
  • Fig. 20k illustrates the base member 92 of Figs. 20n, 20o, 20p in combination with the segment 90 of Fig. 20i.
  • Fig. 20o illustrates the base member 92 of Fig. 201 with the air chamber 60 of Fig. 20g and Figs. 20f combined.
  • FIG. 20p illustrates a base member 92 having a front air chamber 96 and three transverse air chambers 60.
  • FIG. 20q illustrates a base member 92 having air chambers 60 of FIG. 20h.
  • Fig. 20r shows a base member 92 with a sail 24, which is independently capable of flight.
  • the base member 92 has a circumferential air chamber 98 of front 14 and rear body 58. There may be more segments and reinforcing elements can be arranged. It can be arranged cross body, which can form separate air chambers, in this illustration, no cross body are shown.
  • FIG. 21 a shows an air chamber 60 with an air inlet and outlet 100.
  • a connection can be achieved with an aerodynamically formed extension 102.
  • the air chamber 60 may be formed as a stiffening element or rigid element.
  • the air chamber 60 may have support or partition walls or bulkheads, which may be elastic and allow for retraction or contraction and the formation of the shape and the Einfaiten.
  • 21b shows a telescopic design of the air chamber 60 with the air inlet and outlet 100 and the connection 102.
  • the telescopic function can take place in one or more stages.
  • an extendable and retractable air chamber or a rod 104 is used.
  • Fig. 21c illustrates a retractable component. Shown is a sail surface 50 which is stretched between a foldable member 106 and a tie member 108.
  • the connection element 108 may be a quick connection, clips, tabs or be designed as a guide and have the action of support elements. Support elements can reinforcements, slats, tubes or the like. be.
  • the two elements 106 and 108 are by a rotation axis 1 10 against each other and folded out.
  • 21d illustrates two air chambers 60, 60a. These air chambers 60, 60a have a support or partition wall 12, which may be elastic and thereby facilitate retrieval or contraction.
  • the partitions 1 12 may have gleichsöffhungen 1 14 and / or valves.
  • the basic shape tending toward the circle can be deliberately deformed by the use of one or more bulkheads and assume an oval shape. This is flatter in the constriction than in the more distant area.
  • FIGS. 22a to 22e show an inlet and outlet valve A.
  • FIG. 22a shows the valve A in an exploded view.
  • the valve A has a viewing window 16, an overpressure valve 118, a closure lid 120, a connection to an air chamber 122, a ball 124 resting against the stop, an air passage (inlet or outlet) 126 (also when using the ball 124 resting against the stop), a pressure indicator 128 and an air feed 134 for the pressure indicator and pressure relief valve.
  • Fig. 22b illustrates the valve A in a sectional plane X.
  • the pressure gauge 128 indicates the pressure, the pressure relief valve 1 18 is closed.
  • the valve A further comprises a housing 130.
  • the pressure gauge 128 includes pistons 132.
  • An air supply 134 is formed for the pressure gauge 128 and the pressure relief valve 118. It is also conceivable arrangement, wherein the pressure gauge 128 and the pressure relief valve 1 18 are arranged in an air chamber and overpressure a flow channel is released or via the pressure gauge 128, a pressure relief valve 118 opens or that the pressure gauge 128 releases an outflow at overpressure.
  • FIG. 22c illustrates the valve A through the sectional plane X.
  • the valve A has a spring element 136 or spring elements. Shown are the pistons for pressure indicator 132, the housing 130, the ball 126 to the closure, wherein the ball 126 may also be formed as a cone or piston, further The air supply 134 for the pressure gauge and pressure relief valve and the air passage 126, wherein and outlet 126 is shown closed, an air chamber 138 and an open pressure relief valve 1 18th
  • FIG. 22d in addition to the components described for FIG. 22c, also represents a ball stop 140 with the inlet and outlet 126 closed.
  • FIG. 22 e of FIG. 22 d represents the ball stop 140 with the inlet valve open
  • Fig. 23a shows an open-close valve B with a pressure equalization.
  • the valve B has a housing 150 and a mounting ring 152, a closure element 154, as a ball, piston or cone is formed on, furthermore, an adjusting cap 158, an air passage 162 in / from an inner air chamber, and an air passage 164 in / from another outer air chamber in Fig. 23b, an embodiment of the valve B is shown in section.
  • the valve B is installed and operable from the outside, for example by turning, pushing or pulling.
  • the connection of the air chambers 142, 144 takes place within these air chambers 142, 144, but can also be used outside.
  • the valve B is shown closed.
  • There is a connecting element 146 is arranged.
  • a connecting element for an air guide 148 is formed.
  • FIG. 23 c represents the valve B in a sectional plane Z 1 in the closed state.
  • the individual parts are illustrated as indicated in FIG. 23 b.
  • a circumferential sealing region 166 is shown.
  • valve B is shown in a sectional plane XI in the closed state.
  • FIG. 23e according to FIG. 23c shows an automatically opened valve B for pressure equalization.
  • the air passage 164 is shown as indicated.
  • Fig. 23g shows a valve B opened by turning the adjusting cap 158 with pressure compensation.
  • Fig. 23h shows the valve B open in the cutting plane Z2, the cover 158 is moved mechanically or with a magnetic switch outwardly to open the valve B.
  • valve B is shown open in the sectional plane X2.
  • the lid 156 and / or the adjusting cap 158 is moved outwardly mechanically or with a magnetic switch as shown in Fig. 23e to open the valve B.
  • Fig. 24a shows an open-close valve B. It shows a seal and connection 170. This is connected to an air chamber.
  • the valve B is shown in the closed state with an indicated air chamber.
  • FIG. 24c shows a closed valve B with the air chambers 142, 144 and a connection of the air chambers.
  • FIG. opened valve B and Fig. 24e an open valve B with the air chambers 142, 144 and their connection 174 and a closure device 171st
  • a quick coupling 176 is shown with a plug 178 and a sleeve or a receiving element 180.
  • This quick coupling 176 may be used to connect junctions e.g. of bars and air chambers of the flying and sliding element, e.g. of the primitive with other segments.
  • Fig. 26a illustrates a combination of two air chambers, which have different sizes and are arranged adjacent to each other.
  • Fig. 26b illustrates two air chambers, which are spaced from each other and also have different sizes.
  • FIG. 27a an embodiment of air chambers 186, 188 is shown in a juxtaposed position to form a "double air chamber.”
  • the double air chamber has an arcuate course This arrangement may be transverse or longitudinal and arcuate or straight.
  • Fig. 27b shows a variation of the illustration in Fig. 1 with a front body 190 and transverse bodies 194, 196 and 198 and a longitudinal body 197.
  • the front body 190 may, as described in Fig. 27a, be formed of a "double-air chamber".
  • the air chambers 194 to 198 are arcuate and, together with the sail surface 199, shape them three-dimensionally in one or more directions and tighten the sail surface 199 to the flying and gliding element
  • the course of the air chambers 194 to 198 may also be oriented in the other direction
  • the air chambers 194 to 198 may be connected to other air chambers, terminate at the end of a sail or terminate in the middle of the sail.
  • FIG. 27c a further embodiment of FIG. 1 is shown, in which an air chamber is arranged as a reinforcing element 202.
  • the course of transverse air chambers 202 is shown in an arc shape. The course can also be curved in the other direction.
  • the outlet angle to the front body 190 may be formed deviating from 90 °.
  • FIG. 27 d shows a variant with air chambers 204, 206, 208, 210.
  • FIG. 28 shows a variable sail structure of three sail surfaces 212, 214, 216 as well as two air chambers 218, 220.
  • the air chamber 220 is designed to be binding-friendly due to the formation of the outer edge. It can also be combined two sail areas.
  • FIG. 29 a shows an arrangement in which air chambers 222 and 224 are designed with folding aids 226, 228.
  • the folding aids 226, 228 are bulkheads with the function of folding aids.
  • a connection hole 234 is formed between air chambers 230, 232.
  • the air chambers 222, 224, 230, 232 and possibly further can be connected to each other so that they can form a sail area.
  • Fig. 29b shows two air chambers 182, 184 in an assembly with a sail 236, which is in each case arranged centrally on the air chambers 182, 184.
  • This figure shows the embedding of these air chambers in the sail material structure.
  • the sail surface 236 can also be used as a bulkhead and thus the air chamber 182 or 184 or both are divided into upper and lower sides as half shells, which are connected to the sail 236 and together form a roundish shape by uniform pressure distribution.
  • the sail 236 may also be a component of adjacent air chambers.
  • FIG. 29c shows the sail 236, this sail 236 engaging an upper side of the air chamber 182 and the second air chamber 184 resting on the sail 236, thereby forming a further point of engagement for the arrangement of the sail 238.
  • the attack of the sail 236 can also be done centrally of the air chamber 184. When approaching the air from the front thus a paragraph is present, the air pulls the flight element up. A back pressure is avoided.
  • FIG. 29d shows a further exemplary embodiment of the arrangement of two air chambers 184, 192 with a sail 236 arranged in each case on the upper side of the said air chambers.
  • Fig. 30a illustrates air chamber connectors 240 in an exploded view, exemplified in T- or cross-shaped. These serve to connect air chambers 204, 206 to the air chambers 208, 210.
  • the air chamber 206 has a closure cap 244 in this exemplary embodiment.
  • the air chambers can be made of one meter (hose). These can also be pressure hoses, flexible hoses, expanding / contracting hoses.
  • a connector 242 may also serve for repair.
  • the connecting elements 240 may include valves, pressure indicators and / or pressure relief valves. Mechanisms can be used to press off lines to separate the air chambers.
  • FIG. 30b shows receiving devices 246 for receiving air chambers.
  • 30c shows the receiving devices 246 with the air chambers 204, 206 arranged therein and the air chamber connecting elements 240, the connecting piece 242 and the closure cap 244 and the sail 236.
  • Air chambers 204, 206 can, like the sail surfaces 236, connect elements such as lugs, lips, rails, Clamps, bags or the like. exhibit.
  • the receiving devices 246 may be formed similar to a piping and serve to connect the air chambers to sail surfaces.
  • FIG. 31 shows, by way of example, a hybrid line 250 for an energy feed which can be generated on the surface of the flying and gliding element which comprises a linen casing 251 and a linen core 252.
  • a hybrid line 250 for an energy feed which can be generated on the surface of the flying and gliding element which comprises a linen casing 251 and a linen core 252.
  • an additional element 253, which may be formed as a pneumatic or hydraulic line, is arranged in this exemplary embodiment.
  • a further additional element 254 in this exemplary embodiment a current conductor 254, is arranged within the linen casing 251.
  • FIG. 32 illustrates a construction of a hybrid line 250 that includes a line 255 and ancillary elements 253 and 254.
  • Other additional elements may be antennas, lightning rods, etc.
  • FIG. 33 shows a hybrid line 250, which shows the linen jacket 251 and an additional element 254, wherein an internal medium carrier 256 is formed.
  • This medium carrier or the medium line 256 is designed to guide media 257 such as gases or liquids.
  • the gas 257 may in particular be compressed air or helium.
  • the hybrid line 250 is shown with the linen core 252, wherein the hybrid line 250 includes the additional elements 253 and 254.
  • FIGS. 31 to 34 show that all the components required for the energy transmission can be combined in one or more hybrid lines 250. These are in particular power lines 254, pneumatic or hydraulic lines 253 or also media lines 256. These additional elements must therefore not be installed independently, but may as well as antenna, lightning rod or the like. to get integrated.
  • the additional elements can be arranged in parallel or in a spiral or can be arranged inside or outside in conjunction with the line 255 and thus form the hybrid line 250.
  • the hybrid leads 250 can also serve as control elements. This simplifies the arrangement and handling as well as the controllability when extending and retracting the hybrid lines 250.
  • the air chambers can be arranged on the tear-off edge (trailing edge) circumferentially or almost circumferentially.
  • the air chambers and the sail surface or -n can be connected to connecting elements or directly connected or connected by embedding, or also sewn, glued, welded or connected by other suitable means.
  • the air chambers can be arranged side by side or one above the other and independently be formed individually or contiguously. All features described in the description, the following claims and the drawings can be essential to the invention both individually and in any desired combination.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Tents Or Canopies (AREA)

Abstract

L'invention concerne un élément volant ou aérotracteur (10) comprenant une enveloppe extérieure (12) présentant un corps avant (14, 190) et au moins une voile (24, 50, 50', 199, 212, 214, 216, 236, 238), le corps avant (14, 190) et/ou un ou plusieurs corps supplémentaires (16, 18, 20, 22, 42, 194, 196, 197, 198) qui sont agencés transversalement et/ou longitudinalement et/ou en biais, et/ou un corps arrière (58) et/ou au moins une chambre à air (60, 60a, 96, 98, 138, 142, 144, 182, 184, 186, 188, 192, 202, 204, 206, 208, 210, 218, 220, 222, 224, 230, 232), étant formés complètement par ladite enveloppe extérieure (12) en tant que limite extérieure, ladite enveloppe extérieure (12) étant conçue pour présenter une auto-étanchéité et le dispositif étant conçu pour être utilisable en vue d'une production d'énergie.
PCT/DE2017/000305 2016-09-16 2017-09-15 Élément volant ou aérotracteur avec unité d'alimentation en d'énergie WO2018050145A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEDE102016011435.5 2016-09-16
DE102016011435.5A DE102016011435B4 (de) 2016-09-16 2016-09-16 Energieeinspeisungseinheit
DEDE102016011434.7 2016-09-16
DE102016011434.7A DE102016011434B4 (de) 2016-09-16 2016-09-16 Flug- oder Gleitelement

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WO2018050145A1 true WO2018050145A1 (fr) 2018-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023111969A1 (fr) * 2021-12-16 2023-06-22 North Kiteboarding Australasia Aile comprenant une structure porteuse au moins partiellement gonflable pour sports impliquant un déplacement entraîné par énergie éolienne

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Publication number Priority date Publication date Assignee Title
US5816537A (en) * 1993-04-06 1998-10-06 Skystreme Uk Limited Inflatable kite arrangement and launcher
WO2001058755A1 (fr) * 2000-02-10 2001-08-16 Peter Robert Lynn Aile gonflee par air dynamique
DE10116109A1 (de) 2001-03-30 2002-10-02 Christoph Walker Sportlenkdrachen
US20040195435A1 (en) * 2002-12-09 2004-10-07 Tony Logosz Wing with inflatable struts
DE102004018835A1 (de) 2004-04-19 2005-11-03 Skysails Gmbh Wasserfahrzeug mit einem frei ausfliegenden manövrierbaren Windangriffselement als Antrieb
GB2423732A (en) * 2005-03-04 2006-09-06 Derek Whitaker A kite with removable/attachable panels
US7140576B2 (en) * 2003-02-07 2006-11-28 Tony Logosz Inflatable wing with manifold
WO2007012265A1 (fr) 2005-07-23 2007-02-01 Huawei Technologies Co., Ltd. Procédé et système pour réaliser une conversation en temps réel
WO2010106310A1 (fr) * 2009-03-19 2010-09-23 The Secretary Of State For Defence Corps portant gonflable par air dynamique
DE102010046926A1 (de) * 2010-09-28 2012-03-29 Steffen Born Zugdrachen mit druckluftsegmentierter Anströmkante

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5816537A (en) * 1993-04-06 1998-10-06 Skystreme Uk Limited Inflatable kite arrangement and launcher
WO2001058755A1 (fr) * 2000-02-10 2001-08-16 Peter Robert Lynn Aile gonflee par air dynamique
DE10116109A1 (de) 2001-03-30 2002-10-02 Christoph Walker Sportlenkdrachen
US20040195435A1 (en) * 2002-12-09 2004-10-07 Tony Logosz Wing with inflatable struts
US7140576B2 (en) * 2003-02-07 2006-11-28 Tony Logosz Inflatable wing with manifold
DE102004018835A1 (de) 2004-04-19 2005-11-03 Skysails Gmbh Wasserfahrzeug mit einem frei ausfliegenden manövrierbaren Windangriffselement als Antrieb
GB2423732A (en) * 2005-03-04 2006-09-06 Derek Whitaker A kite with removable/attachable panels
WO2007012265A1 (fr) 2005-07-23 2007-02-01 Huawei Technologies Co., Ltd. Procédé et système pour réaliser une conversation en temps réel
WO2010106310A1 (fr) * 2009-03-19 2010-09-23 The Secretary Of State For Defence Corps portant gonflable par air dynamique
DE102010046926A1 (de) * 2010-09-28 2012-03-29 Steffen Born Zugdrachen mit druckluftsegmentierter Anströmkante

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023111969A1 (fr) * 2021-12-16 2023-06-22 North Kiteboarding Australasia Aile comprenant une structure porteuse au moins partiellement gonflable pour sports impliquant un déplacement entraîné par énergie éolienne

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