EP0968915B1 - Voile de proue - Google Patents

Voile de proue Download PDF

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Publication number
EP0968915B1
EP0968915B1 EP99100865A EP99100865A EP0968915B1 EP 0968915 B1 EP0968915 B1 EP 0968915B1 EP 99100865 A EP99100865 A EP 99100865A EP 99100865 A EP99100865 A EP 99100865A EP 0968915 B1 EP0968915 B1 EP 0968915B1
Authority
EP
European Patent Office
Prior art keywords
sail
opening
headwind
raising part
secured
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP99100865A
Other languages
German (de)
English (en)
Other versions
EP0968915A3 (fr
EP0968915A2 (fr
Inventor
Hartmut Schädlich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCHAEDLICH, BIRGIT
Original Assignee
Schadlich Birgit
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 DE19829604A external-priority patent/DE19829604A1/de
Application filed by Schadlich Birgit filed Critical Schadlich Birgit
Publication of EP0968915A2 publication Critical patent/EP0968915A2/fr
Publication of EP0968915A3 publication Critical patent/EP0968915A3/fr
Application granted granted Critical
Publication of EP0968915B1 publication Critical patent/EP0968915B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
    • B63H9/067—Sails characterised by their construction or manufacturing process

Definitions

  • the invention relates to a downwind sail with one on the mast attaching top area, and one to a tree and a sheet or on the stay or on a second tree or on a stay and a sheet to fasten the lower area.
  • Document DE 1247890 discloses such a downwind sail.
  • the downwind sail When sailing in front of the wind, the downwind sail sets, for example a spinnaker resists the airflow, causing decelerated the air flow and thereby the propulsion of the Ship is reached.
  • the feed force that can be achieved and thus the speed of the ship is on the one hand the size of the Area of the sail and on the other hand the angle of incidence of the wind dependent on the sail.
  • Spinnakers are said to be as much wind as possible to capture and the resulting wind or Transfer dynamic pressure over the rig to the hull of the ship.
  • the profile of the spinnaker plays in an aerodynamic sense no or at most a very subordinate role, so that the strongest force that can be derived from the air current, namely the aerodynamic force remains unused. So that's it Application of spinnakers essentially to sailing in the Limited wind area.
  • the invention is based on the task of a downwind sail, especially to train a spinnaker in such a way that in addition the aerodynamic force of the air flow in addition to the dynamic pressure can be used to propel the ship forward.
  • this object is achieved with a generic Downwind sail, in particular a spinnaker solved in that between its upper and lower area at least one with the sail set in a substantially horizontal direction extending opening is provided and within the Opening at least one buoyancy part extending transversely to the sail is arranged with an aerodynamic profile such that both above and below the buoyancy part Flow opening available for the air mass flowing around this is.
  • the buoyancy element looks like a wing, the aerodynamic force of the air flowing around the buoyancy part Air mass to achieve an essentially forward and exploited upward buoyancy and thereby the mode of operation of the spinnaker is supported insofar as this relieves the hull and rig from the buoyancy become. This reduces the friction of the ship, so that this slides more easily and increases its speed this increases.
  • the downwind sail according to the invention represents a combination of one Buoyancy and propulsion sail, its possible use from the downwind to the half wind course.
  • the advantage of the invention is increasingly in the erecting Moment of the ship, which reduces the deals and the speed is increased. In doing so, increasingly half wind then the second tree can be dispensed with if the sheet is led over a break point on deck, or if the Neck is attached to the forestay.
  • a particularly large increase in Propulsion power of the ship can be achieved in that several arranged at a vertical distance from one another and essentially openings directed parallel to one another are provided and a floating part is assigned to each of the openings.
  • the buoyancy parts can be a hollow body, which is preferably divided into chambers are formed and each have an inlet opening for the Have air mass. This is the case with a corresponding cut of the buoyancy part whose aerodynamic profile through the Air flow or the resulting excess pressure in the chambers each one automatically.
  • the buoyancy parts can also be designed as closed hollow bodies and can be filled with a gas, preferably with air.
  • the hull of a (indicated) ship is 1 referred to, on which in a manner known per se for inclusion a sail serving mast 2 is attached.
  • 2 and 4 has the sail 3, for example as a spinnaker is formed, a lower region 4 and an upper region 5 on.
  • the lower area 4 of the spinnaker is by means of a Tree 6, to which a tree repeater is assigned, on mast 2 and attached to a sheet 7 on the hull 1.
  • the sheet 7 can also be replaced by a second boom attached to mast 2 is.
  • the upper area 5 of the sail 3 is known per se Attached to mast 2.
  • Both areas 4 and 5 of the sail 3 act as a propulsion part.
  • An opening 8 is provided between the two regions 4, 5 almost to the side of the two areas 4,5 extends and serves as a flow opening for the air mass.
  • Both areas 4, 5 span the opening 8 Bands 9 connected together. Instead of the tapes 9 can also serve a network spanning the opening 8.
  • a buoyancy part 10 is provided, which as Hollow body and be divided into several chambers can.
  • the buoyancy part 10 can be open at its sail-side end or be locked here. If the buoyancy part 10 is open is inflated by the wind; is the buoyancy part 10 as closed hollow body, so it is with a valve provided to fill it with air or another gas can.
  • the cutting of the buoyancy part 10, which consists of a for Sails usually used material is so chosen that the buoyancy part in its active state has an aerodynamic profile. The size of this profile is dimensioned in relation to the size of the opening 8 so that the Air mass the buoyancy part 10 both on its underside and also flows around on its top, making it wing-like acts.
  • the third embodiment of the invention shown in FIG. 1c also works in accordance with the two previously described embodiments.
  • the buoyancy part 10 is not formed by a part additionally attached to the actual sail 3. Rather, the upper area 5 of the sail 3 itself is designed as a buoyancy part 10 and, like the respective buoyancy part 10 of the other two embodiments, also has an aerodynamic profile, around which the air mass flows on both its top and bottom sides. this also flows through an opening 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Tents Or Canopies (AREA)
  • Catching Or Destruction (AREA)
  • Toys (AREA)
  • Fats And Perfumes (AREA)

Claims (9)

  1. Voile de proue comportant une zone supérieure à fixer au mât et une zone inférieure à fixer à une bôme et une écoute ou à l'étai ou à une seconde bôme ou à un étai et une écoute, au moins une ouverture (8), s'étendant dans une direction substantiellement horizontale lorsque la voile (3) est déployée, étant prévue entre la zone inférieure et supérieure (respectivement 4 et 5), caractérisée en ce que dans l'ouverture (8) au moins une pièce de poussée verticale (10) au profil aérodynamique, s'étendant perpendiculairement à la voile (3), est disposée de telle façon qu'une ouverture de passage est formée aussi bien au-dessus qu'en dessous de la pièce de poussée verticale (10) pour la masse d'air circulant autour de celle-ci.
  2. Voile de proue comportant une zone supérieure à fixer au mât et une zone inférieure à fixer à une bôme et une écoute ou à l'étai ou à une seconde bôme ou à un étai et une écoute, au moins une ouverture (8), s'étendant dans une direction substantiellement horizontale lorsque la voile (3) est déployée et servant d'ouverture de passage pour la masse d'air, étant prévue entre la zone inférieure et supérieure (respectivement 4 et 5), caractérisée en ce que la zone inférieure (4) sert de pièce de poussée horizontale et en ce que la zone supérieure (5) est réalisée sous la forme d' pièce de poussée verticale (10) au profil aérodynamique, dont l'extrémité mince est voisine de l'ouverture (8).
  3. Voile de proue selon la revendication 1, caractérisée en ce que plusieurs ouvertures (8) orientées essentiellement parallèlement les unes aux autres et disposées verticalement à distance les unes des autres sont prévues, et en ce qu'à chacune des ouvertures (8) est associée une pièce de poussée verticale (10).
  4. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que la zone inférieure et supérieure (respectivement 4 et 5) sont reliées l'une à l'autre par des bandes (9) traversant l'ouverture (8) à la manière d'un pont, et en ce que la pièce de poussée verticale (10) est fixée à celles-ci.
  5. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les bandes (9) sont reliées les unes aux autres au moyen d'autres bandes s'étendant perpendiculairement à leur direction longitudinale.
  6. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que la zone inférieure et supérieure (respectivement 4 et 5) sont reliées l'une à l'autre au moyen d'un filet placé sur l'ouverture (8) à la manière d'un pont, et en ce que la pièce de poussée verticale (10) est fixée à celui-ci.
  7. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les pièces de poussée verticale (10) sont réalisées sous la forme de corps creux et présentent respectivement une ouverture d'entrée pour la masse d'air.
  8. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les pièces de poussée verticale (10) sont réalisées en corps creux et peuvent être remplies de gaz, de préférence d'air.
  9. Voile de proue selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que la position relative de la pièce de poussée verticale (10) par rapport à la voile (3) peut être réglée par des bouts (11), qui peuvent être fixés à l'extrémité libre de la pièce de poussée verticale (10) par une extrémité et à la voile (3) par l'autre extrémité.
EP99100865A 1998-06-29 1999-01-19 Voile de proue Expired - Lifetime EP0968915B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19829604 1998-06-29
DE19829604A DE19829604A1 (de) 1997-07-18 1998-06-29 Rennerspinnaker mit Auftriebsflügel

Publications (3)

Publication Number Publication Date
EP0968915A2 EP0968915A2 (fr) 2000-01-05
EP0968915A3 EP0968915A3 (fr) 2001-02-07
EP0968915B1 true EP0968915B1 (fr) 2004-08-18

Family

ID=7872774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100865A Expired - Lifetime EP0968915B1 (fr) 1998-06-29 1999-01-19 Voile de proue

Country Status (5)

Country Link
EP (1) EP0968915B1 (fr)
AT (1) ATE273827T1 (fr)
DK (1) DK0968915T3 (fr)
ES (1) ES2226210T3 (fr)
PT (1) PT968915E (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20310950U1 (de) * 2003-07-16 2003-09-11 Skywalk GmbH & Co. KG, 83224 Grassau Segel mit Auftriebselement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1299061A (fr) * 1961-06-08 1962-07-20 Perfectionnements aux voilures de bateaux
US3851612A (en) * 1972-10-20 1974-12-03 D Jalbert Spinnaker construction
ES484016A0 (es) * 1979-09-10 1980-11-01 Plana Salas J Perfeccionamientos en los sistemas de propulsion para embarcaciones
FR2552393A1 (fr) * 1983-09-28 1985-03-29 Julian Yvon Voile comportant des elements de voile additionnels et bateau equipe de cette voile
US5095837A (en) * 1990-09-28 1992-03-17 Baird Lincoln F Ram-air inflatable beam for use with a spinnaker

Also Published As

Publication number Publication date
ATE273827T1 (de) 2004-09-15
EP0968915A3 (fr) 2001-02-07
ES2226210T3 (es) 2005-03-16
DK0968915T3 (da) 2004-12-13
EP0968915A2 (fr) 2000-01-05
PT968915E (pt) 2004-12-31

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