WO2014118413A1 - Improved kite - Google Patents

Improved kite Download PDF

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Publication number
WO2014118413A1
WO2014118413A1 PCT/ES2014/070057 ES2014070057W WO2014118413A1 WO 2014118413 A1 WO2014118413 A1 WO 2014118413A1 ES 2014070057 W ES2014070057 W ES 2014070057W WO 2014118413 A1 WO2014118413 A1 WO 2014118413A1
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WO
WIPO (PCT)
Prior art keywords
profile
attack
kite
laminar surface
section
Prior art date
Application number
PCT/ES2014/070057
Other languages
Spanish (es)
French (fr)
Inventor
Marcos Pedro Teres Pernichi
Original Assignee
Marcos Pedro Teres Pernichi
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
Application filed by Marcos Pedro Teres Pernichi filed Critical Marcos Pedro Teres Pernichi
Publication of WO2014118413A1 publication Critical patent/WO2014118413A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H8/00—Sail or rigging arrangements specially adapted for water sports boards, e.g. for windsurfing or kitesurfing
    • B63H8/10—Kite-sails; Kite-wings; Control thereof; Safety means therefor

Definitions

  • the purpose of the present invention application is to register an improved kite, which incorporates notable innovations and advantages over the techniques used so far.
  • the invention proposes the development of an improved kite, which by its particular arrangement, adds and improves the aerodynamic and use properties to the known kites used in the practice of kitesurfing.
  • kitesurfing Typical kites used in sports such as kitesurfing are known in the current state of the art.
  • kites use and collect the driving force of the surrounding wind so that the user of a surfboard can move and perform different acrobatic stunts sliding on the surface of the water.
  • the present problem is solved and solved, since it is possible to contribute and add better aerodynamic and support qualities to the already known kites used in the practice of kitesurfing, and in particular those that are inflatable, in addition to improve and facilitate its relaunch after its fall into the water.
  • the present invention has been developed in order to provide an improved kite, of those commonly used in the practice of kitesurfing, comprising a laminar surface delimited by an leading edge and an exit edge, and a frame provided with a profile of attack and a plurality of crossbars that innervate the sheet surface, such that the attack profile innervates the sheet surface along its leading edge, and the crossbars innervate the sheet surface from the leading edge to the trailing edge and are substantially perpendicular to the attack profile, and is essentially characterized by the fact that the attack profile has a cross section of the alar or aerodynamic profile type.
  • the attack profile may be made of a single inflatable type piece.
  • the attack profile is formed by a first piece of substantially circular cross-section, and by another second piece with a suitable cross section to complete with the first piece the cross section of the alar or aerodynamic profile type.
  • the attack profile and the plurality of frame crossbars are made of carbon material.
  • Figure 1 It is a perspective view of a preferred embodiment of the improved kite of the present invention.
  • Figure 2. It is a schematic view of a possible example of an alar or aerodynamic profile.
  • Figure 3. It is a view of a cross section indicated in figure 1.
  • the perfected kite of those commonly used in kitesurfing, comprises a laminar surface 1 delimited by an leading edge 2 and an exit edge 3, and a frame 4 provided with a profile of inflatable attack 4a (including at least one valve for swelling and deflation operations) defining in an inflamed condition an arcuate path and a plurality of crossbars or ribs 4b that innervate the laminar surface 1 and can also be of inflatable type, such that the attack profile 4a innervates the laminar surface 1 along its leading edge 2, and the crossbars 4b innervate the laminar surface 1 from the leading edge 2 to the trailing edge 3 and are substantially perpendicular to the profile of attack 4a, the attack profile 4a being characterized by having a cross-section of the alar or aerodynamic profile type.
  • the sheet surface 1 may be joined or extend from the front or the back of the attack profile 4a.
  • the perfected kite in a view from a position on land, the perfected kite has an arrangement and presence in principle similar to the kites usually known and used in the practice of kitesurfing. It comprises a laminar surface 1, delimited by an leading edge 2 and an exit edge 3, in the direction of the incident air flow represented by the arrows.
  • Such a laminar surface 1 is innervated by a frame 4, provided with an attack profile 4a and a plurality of crossbars 4b.
  • the attack profile 4a innervates the laminar surface 1 along the leading edge 2, and the plurality of crossbars 4b innervates the laminar surface 1 from the leading edge 2 towards the trailing edge 3, and are arranged substantially perpendicular to the attack profile 4a.
  • the perfected kite of the invention can use and collect the driving force of the surrounding wind so that the user of a surfboard can move and perform different acrobatic stunts, as is carried out in the known sport practice as kitesurfing
  • the improved kite of the invention has the particular disposition to present the attack profile 4a with a cross section of the alar or aerodynamic profile type.
  • the attack profile 4a is made in one piece.
  • figure 3 a section of section A-A indicated in figure 1 is shown, where it can be seen that the attack profile 4a has an alar or aerodynamic profile.
  • attack profile 4a and the plurality of crossbars 4b of the frame 4 are made of carbon material.
  • the attack profile 4a is formed by a first piece of substantially circular cross section, and by another second piece with a cross section suitable for completing with the first piece a cross section of alar or aerodynamic profile.
  • the existence of such an alar or aerodynamic profile contributes to substantially improve the qualities, performance and aerodynamic and support properties of the known kites used in the practice of kitesurfing.
  • the attack profile has a sufficiently large or wide width so that the upper part of the attack profile itself also acts as a laminar surface.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)

Abstract

The invention relates to an improved kite of the type commonly used for kitesurfing, comprising a laminar surface (1) defined by a leading edge (2) and a trailing edge (3), and a frame (4) equipped with a leading profile (4a) and a plurality of crossbars (4b) extending across the laminar surface (1), such that the leading profile (4a) extends along the length of the leading edge (2) of the laminar surface (1), and the crossbars (4b) extend across the laminar surface (1) from the leading edge (2) to the trailing edge (3) thereof and are substantially perpendicular to the leading profile (4a). Moreover, the cross-section of the leading profile (4a) is of the aerodynamic or wing profile type.

Description

DESCRIPCIÓN  DESCRIPTION
COMETA PERFECCIONADA PERFECTED COMET
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente solicitud de invención tiene por objeto el registro de una cometa perfeccionada, que incorpora notables innovaciones y ventajas frente a las técnicas utilizadas hasta el momento. The purpose of the present invention application is to register an improved kite, which incorporates notable innovations and advantages over the techniques used so far.
Más concretamente, la invención propone el desarrollo de una cometa perfeccionada, que por su particular disposición, añade y mejora las propiedades aerodinámicas y de uso a las conocidas cometas utilizadas en la práctica del kitesurfing. More specifically, the invention proposes the development of an improved kite, which by its particular arrangement, adds and improves the aerodynamic and use properties to the known kites used in the practice of kitesurfing.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Son conocidas en el actual estado de la técnica las típicas cometas utilizadas en deportes como el kitesurfing. Typical kites used in sports such as kitesurfing are known in the current state of the art.
Tales cometas utilizan y recogen la fuerza motriz del viento circúndate para que el usuario de una tabla de surf pueda desplazarse y realizar diferentes piruetas acrobáticas deslizándose sobre la superficie del agua. Such kites use and collect the driving force of the surrounding wind so that the user of a surfboard can move and perform different acrobatic stunts sliding on the surface of the water.
Sin embargo, pese a todas las buenas cualidades, prestaciones y aplicaciones que tales cometas pueden ofrecer al usuario y practicante de tal actividad deportiva, en ocasiones su forma aerodinámica no es la más adecuada, por la formación de turbulencias en el lado de alta presión, es decir, alrededor del perfil del borde de ataque, que perjudican el rendimiento y capacidad aerodinámica alar de la cometa. However, despite all the good qualities, performance and applications that such kites can offer the user and practitioner of such sporting activity, sometimes their aerodynamic shape is not the most appropriate, due to the formation of turbulence on the high pressure side, that is, around the profile of the leading edge, which impair the performance and aerodynamic capacity of the kite.
También, en la habitual circunstancia de caída al agua de la cometa, la cavidad resultante en el lado de alta presión entre la superficie laminar y el perfil de ataque de la cometa, queda llena de agua, dificultando de nuevo su relanzamiento desde el agua y puesta en correcta posición por parte del usuario para ser utilizada de nuevo. Gracias a la presente invención, se soluciona y solventa la presente problemática, pues se consigue aportar y añadir mejores cualidades aerodinámicas y de sustentación a las ya conocidas cometas utilizadas en la práctica de kitesurfing, y en particular aquellos que son de tipo hinchable, además de mejorar y facilitar su relanzamiento después de su caída al agua. Also, in the usual circumstance of falling into the water of the kite, the resulting cavity on the high pressure side between the laminar surface and the attack profile of the kite is filled with water, again making it difficult to relaunch from the water and put in correct position by the user to be used again. Thanks to the present invention, the present problem is solved and solved, since it is possible to contribute and add better aerodynamic and support qualities to the already known kites used in the practice of kitesurfing, and in particular those that are inflatable, in addition to improve and facilitate its relaunch after its fall into the water.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
La presente invención se ha desarrollado con el fin de proporcionar una cometa perfeccionada, de las habitualmente utilizadas en la práctica de kitesurfing, que comprende una superficie laminar delimitada por un borde de ataque y un borde de salida, y un armazón dotado de un perfil de ataque y una pluralidad de travesaños que inervan la superficie laminar, tal que el perfil de ataque inerva a la superficie laminar a lo largo de su borde de ataque, y los travesaños inervan a la superficie laminar desde el borde de ataque hasta el borde de salida y son sensiblemente perpendiculares al perfil de ataque, y se caracteriza esencialmente por el hecho de que el perfil de ataque presenta una sección transversal del tipo perfil alar o aerodinámico. The present invention has been developed in order to provide an improved kite, of those commonly used in the practice of kitesurfing, comprising a laminar surface delimited by an leading edge and an exit edge, and a frame provided with a profile of attack and a plurality of crossbars that innervate the sheet surface, such that the attack profile innervates the sheet surface along its leading edge, and the crossbars innervate the sheet surface from the leading edge to the trailing edge and are substantially perpendicular to the attack profile, and is essentially characterized by the fact that the attack profile has a cross section of the alar or aerodynamic profile type.
Preferentemente, en la cometa perfeccionada, el perfil de ataque puede estar hecho de una sola pieza de tipo hinchable. Preferably, in the perfected kite, the attack profile may be made of a single inflatable type piece.
Alternativamente, en la cometa perfeccionada, el perfil de ataque está conformado por una primera pieza de sección transversal sensiblemente circular, y por otra segunda pieza con sección transversal adecuada para completar con la primera pieza la sección transversal del tipo perfil alar o aerodinámico. Alternatively, in the improved kite, the attack profile is formed by a first piece of substantially circular cross-section, and by another second piece with a suitable cross section to complete with the first piece the cross section of the alar or aerodynamic profile type.
Por añadidura, en la cometa perfeccionada, el perfil de ataque y la pluralidad de travesaños del armazón están hechos de material de carbono. In addition, in the perfected kite, the attack profile and the plurality of frame crossbars are made of carbon material.
Gracias a la presente invención, se consigue aportar y añadir a las conocidas cometas hinchables utilizadas en la práctica del kitesurfing, unas mejoras cualidades aerodinámicas y sustentadoras, además de mejorar también su capacidad de uso reiterado tras su caída al agua. Otras características y ventajas de la cometa perfeccionada resultarán evidentes a partir de la descripción de una realización preferida, pero no exclusiva, que se ilustra a modo de ejemplo no limitativo en los dibujos que se acompañan, en los cuales: Thanks to the present invention, it is possible to contribute and add to the known inflatable kites used in the practice of kitesurfing, improved aerodynamic and sustaining qualities, in addition to also improving their ability to use repeatedly after falling into the water. Other features and advantages of the improved kite will be apparent from the description of a preferred but not exclusive embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which:
BREVE DESCRIPCIÓN DE LOS DIBUJOS BRIEF DESCRIPTION OF THE DRAWINGS
Figura 1 .- Es una vista en perspectiva de una modalidad de realización preferida de la cometa perfeccionada de la presente invención. Figure 1 .- It is a perspective view of a preferred embodiment of the improved kite of the present invention.
Figura 2.- Es una vista esquemática de un posible ejemplo de perfil alar o aerodinámico. Figura 3.- Es una vista de una sección transversal señalada en la figura 1 .  Figure 2.- It is a schematic view of a possible example of an alar or aerodynamic profile. Figure 3.- It is a view of a cross section indicated in figure 1.
DESCRIPCIÓN DE UNA REALIZACIÓN PREFERENTE DESCRIPTION OF A PREFERRED EMBODIMENT
Tal y como se muestra en las figuras, la cometa perfeccionada, de las habitualmente utilizadas en la práctica de kitesurfing, comprende una superficie laminar 1 delimitada por un borde de ataque 2 y un borde de salida 3, y un armazón 4 dotado de un perfil de ataque 4a hinchable (incluyendo al menos una válvula para las operaciones de hinchado y deshinchado) que define en una condición hinchada una trayectoria arqueada y una pluralidad de travesaños o nervios 4b que inervan la superficie laminar 1 y pueden ser también de tipo hinchable, tal que el perfil de ataque 4a inerva a la superficie laminar 1 a lo largo de su borde de ataque 2, y los travesaños 4b inervan a la superficie laminar 1 desde el borde de ataque 2 hasta el borde de salida 3 y son sensiblemente perpendiculares al perfil de ataque 4a, caracterizándose el perfil de ataque 4a por presentar una sección transversal del tipo perfil alar o aerodinámico. La superficie laminar 1 puede estar unida o extenderse desde la parte frontal o bien la parte posterior del perfil de ataque 4a. As shown in the figures, the perfected kite, of those commonly used in kitesurfing, comprises a laminar surface 1 delimited by an leading edge 2 and an exit edge 3, and a frame 4 provided with a profile of inflatable attack 4a (including at least one valve for swelling and deflation operations) defining in an inflamed condition an arcuate path and a plurality of crossbars or ribs 4b that innervate the laminar surface 1 and can also be of inflatable type, such that the attack profile 4a innervates the laminar surface 1 along its leading edge 2, and the crossbars 4b innervate the laminar surface 1 from the leading edge 2 to the trailing edge 3 and are substantially perpendicular to the profile of attack 4a, the attack profile 4a being characterized by having a cross-section of the alar or aerodynamic profile type. The sheet surface 1 may be joined or extend from the front or the back of the attack profile 4a.
En esta memoria no se va a entrar en detalle en la descripción de los medios de guiado o dirección así como elementos de seguridad para el uso correcto de la cometa ya que no son parte del objeto de la presente invención. This description will not go into detail in the description of the guidance or direction means as well as safety elements for the correct use of the kite since they are not part of the object of the present invention.
Según se aprecia en la figura 1 , en una vista desde una posición en tierra, la cometa perfeccionada, presenta una disposición y presencia en principio similar a las cometas habitualmente conocidas y utilizadas en la práctica del kitesurfing. Comprende una superficie laminar 1 , delimitada por un borde de ataque 2 y un borde de salida 3, en el sentido del flujo de aire incidente representado por las flechas. As can be seen in figure 1, in a view from a position on land, the perfected kite has an arrangement and presence in principle similar to the kites usually known and used in the practice of kitesurfing. It comprises a laminar surface 1, delimited by an leading edge 2 and an exit edge 3, in the direction of the incident air flow represented by the arrows.
Tal superficie laminar 1 está inervada por un armazón 4, dotado de un perfil de ataque 4a y una pluralidad de travesaños 4b. Such a laminar surface 1 is innervated by a frame 4, provided with an attack profile 4a and a plurality of crossbars 4b.
El perfil de ataque 4a inerva la superficie laminar 1 a lo largo del borde de ataque 2, y la pluralidad de travesaños 4b inervan a la superficie laminar 1 desde el borde de ataque 2 hacia el borde de salida 3, y están dispuestos sensiblemente perpendiculares al perfil de ataque 4a. The attack profile 4a innervates the laminar surface 1 along the leading edge 2, and the plurality of crossbars 4b innervates the laminar surface 1 from the leading edge 2 towards the trailing edge 3, and are arranged substantially perpendicular to the attack profile 4a.
Con la disposición descrita, la cometa perfeccionada de la invención puede utilizar y recoger la fuerza motriz del viento circundante para que el usuario de una tabla de surf pueda desplazarse y realizar diferentes piruetas acrobáticas, tal y como se lleva a cabo en la práctica deportiva conocida como kitesurfing. With the described arrangement, the perfected kite of the invention can use and collect the driving force of the surrounding wind so that the user of a surfboard can move and perform different acrobatic stunts, as is carried out in the known sport practice as kitesurfing
Además de lo anteriormente descrito, la cometa perfeccionada de la invención presenta la particular disposición de presentar el perfil de ataque 4a con una sección transversal del tipo perfil alar o aerodinámico. In addition to the above, the improved kite of the invention has the particular disposition to present the attack profile 4a with a cross section of the alar or aerodynamic profile type.
En la figura 2 aparece representado un ejemplo de perfil alar o aerodinámico, y estando el flujo de aire incidente representado por las flechas. An example of an alar or aerodynamic profile is shown in Figure 2, and the incident air flow being represented by the arrows.
En esta modalidad de realización preferida, el perfil de ataque 4a está hecho de una sola pieza. En la figura 3 aparece representada una sección de corte A-A señalada en la figura 1 , en donde se aprecia que el perfil de ataque 4a presenta un perfil alar o aerodinámico. In this preferred embodiment, the attack profile 4a is made in one piece. In figure 3 a section of section A-A indicated in figure 1 is shown, where it can be seen that the attack profile 4a has an alar or aerodynamic profile.
En esta modalidad de realización preferida, el perfil de ataque 4a y la pluralidad de travesaños 4b del armazón 4 están hechos de material de carbono. In this preferred embodiment, the attack profile 4a and the plurality of crossbars 4b of the frame 4 are made of carbon material.
En otra modalidad de realización preferida, no representada en los dibujos, el perfil de ataque 4a está conformado por una primera pieza de sección transversal sensiblemente circular, y por otra segunda pieza con una sección transversal adecuada para completar con la primera pieza una sección transversal de perfil alar o aerodinámico. La existencia de tal perfil alar o aerodinámico contribuye a mejorar sustancialmente las cualidades, prestaciones y propiedades aerodinámicas y de sustentación de las conocidas cometas utilizadas en la práctica de kitesurfing. In another preferred embodiment, not shown in the drawings, the attack profile 4a is formed by a first piece of substantially circular cross section, and by another second piece with a cross section suitable for completing with the first piece a cross section of alar or aerodynamic profile. The existence of such an alar or aerodynamic profile contributes to substantially improve the qualities, performance and aerodynamic and support properties of the known kites used in the practice of kitesurfing.
Además de esta sustancial y útil mejora, se impide el llenado de agua en el lado de alta presión de la región de la superficie laminar 1 que es contigua al perfil de ataque 4a cuando la cometa cae al agua, facilitando al usuario el izado de la cometa para su nueva utilización cuando ha caído al agua tras su uso. In addition to this substantial and useful improvement, the filling of water on the high pressure side of the laminar surface region 1 that is contiguous to the attack profile 4a when the kite falls into the water is prevented, making it easier for the user to lift the Kite for new use when it has fallen into the water after use.
Cabe destacar, que existe la posibilidad de que en una realización alternativa (no representada) el perfil de ataque tenga una anchura suficientemente grande o extensa de modo que la parte superior del propio perfil de ataque actúe también como superficie laminar. It should be noted that there is a possibility that in an alternative embodiment (not shown) the attack profile has a sufficiently large or wide width so that the upper part of the attack profile itself also acts as a laminar surface.
Los detalles, las formas, las dimensiones y demás elementos accesorios, así como los materiales empleados en la fabricación de la cometa perfeccionada de la invención, podrán ser convenientemente sustituidos por otros que sean técnicamente equivalentes y no se aparten de la esencialidad de la invención ni del ámbito definido por las reivindicaciones que se incluyen a continuación. The details, shapes, dimensions and other accessory elements, as well as the materials used in the manufacture of the improved kite of the invention, may be conveniently replaced by others that are technically equivalent and do not depart from the essentiality of the invention or of the scope defined by the claims included below.

Claims

REIVINDICACIONES
1 . Cometa perfeccionada, de las habitualmente utilizadas en la práctica de kitesurfing, que comprende una superficie laminar (1 ) delimitada por un borde de ataque (2) y un borde de salida (3), y un armazón (4) dotado de un perfil de ataque (4a) y una pluralidad de travesaños (4b) que inervan la superficie laminar (1 ), tal que el perfil de ataque (4a) inerva a la superficie laminar (1 ) a lo largo de su borde de ataque (2), y los travesaños (4b) inervan a la superficie laminar (1 ) desde el borde de ataque (2) hasta el borde de salida (3) y son sensiblemente perpendiculares al perfil de ataque (4a), caracterizada por el hecho de que el perfil de ataque (4a) presenta una sección transversal del tipo perfil alar o aerodinámico. one . Improved kite, of those commonly used in the practice of kitesurfing, comprising a laminar surface (1) delimited by a leading edge (2) and an exit edge (3), and a frame (4) provided with a profile of attack (4a) and a plurality of crossbars (4b) that innervate the laminar surface (1), such that the attack profile (4a) innervates the laminar surface (1) along its leading edge (2), and the crossbars (4b) innervate the sheet surface (1) from the leading edge (2) to the trailing edge (3) and are substantially perpendicular to the attack profile (4a), characterized by the fact that the profile of attack (4a) has a cross section of the profile type alar or aerodynamic.
2. Cometa perfeccionada según la reivindicación anterior, caracterizada por el hecho de que el perfil de ataque (4a) está hecho de una sola pieza de tipo hinchable. 2. Kite perfected according to the preceding claim, characterized in that the attack profile (4a) is made of a single inflatable type piece.
3. Cometa perfeccionada según la reivindicación 1 , caracterizada por el hecho de que el perfil de ataque (4a) está conformado por una primera pieza de sección transversal sensiblemente circular, y por otra segunda pieza con sección transversal adecuada para completar con la primera pieza la sección transversal del tipo perfil alar o aerodinámico. 3. A perfected kite according to claim 1, characterized in that the attack profile (4a) is formed by a first piece of substantially circular cross-section, and by another second piece with a suitable cross-section to complete with the first piece the cross section of the alar or aerodynamic profile type.
4. Cometa perfeccionada según la reivindicación 1 , caracterizada por el hecho de que el perfil de ataque (4a) y la pluralidad de travesaños (4b) del armazón (4) están hechos de material de carbono. 4. A perfected kite according to claim 1, characterized in that the attack profile (4a) and the plurality of crossbars (4b) of the frame (4) are made of carbon material.
PCT/ES2014/070057 2013-02-01 2014-01-27 Improved kite WO2014118413A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU201330110 2013-02-01
ES201330110U ES1078661Y (en) 2013-02-01 2013-02-01 PERFECTED COMET

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558087A (en) * 1969-05-22 1971-01-26 Barish Ass Inc Parachute
DE3131874A1 (en) * 1981-08-12 1983-02-24 Hartlev 5600 Wuppertal Liebchen Construction of a wing for light aircraft (hang-gliders or kites) by means of a profiled strut and sail
DE20103119U1 (en) * 2001-02-22 2002-03-07 Kraft, Dieter, 87474 Buchenberg Four line sport stunt kite
FR2816913A1 (en) * 2000-11-17 2002-05-24 Philippe Combeau Traction wing with rigid leading edge for kite surfing comprises sleeve composed of inflated battens connected by partitions with lines for control of incidence angle and take off and landing
WO2004020284A2 (en) * 2002-08-28 2004-03-11 Gaastra Kiteboarding International Ltd. Wing structure
US20060192055A1 (en) * 2005-02-04 2006-08-31 Alex Shogren Inflatable wing
DE102009009305A1 (en) * 2009-02-12 2010-08-26 Achilles, Peter, Dipl.-Ing. Tube kite for use as propulsion unit in e.g. snow kite surfing, has profile bracing unit running in flow direction, and hollow space lying between front tube, upper sail and lower sail and opened along common rear edge of lower sail

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558087A (en) * 1969-05-22 1971-01-26 Barish Ass Inc Parachute
DE3131874A1 (en) * 1981-08-12 1983-02-24 Hartlev 5600 Wuppertal Liebchen Construction of a wing for light aircraft (hang-gliders or kites) by means of a profiled strut and sail
FR2816913A1 (en) * 2000-11-17 2002-05-24 Philippe Combeau Traction wing with rigid leading edge for kite surfing comprises sleeve composed of inflated battens connected by partitions with lines for control of incidence angle and take off and landing
DE20103119U1 (en) * 2001-02-22 2002-03-07 Kraft, Dieter, 87474 Buchenberg Four line sport stunt kite
WO2004020284A2 (en) * 2002-08-28 2004-03-11 Gaastra Kiteboarding International Ltd. Wing structure
US20060192055A1 (en) * 2005-02-04 2006-08-31 Alex Shogren Inflatable wing
DE102009009305A1 (en) * 2009-02-12 2010-08-26 Achilles, Peter, Dipl.-Ing. Tube kite for use as propulsion unit in e.g. snow kite surfing, has profile bracing unit running in flow direction, and hollow space lying between front tube, upper sail and lower sail and opened along common rear edge of lower sail

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ES1078661Y (en) 2013-05-20

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