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EP1908679A2 - Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode - Google Patents

Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode Download PDF

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Publication number
EP1908679A2
EP1908679A2 EP07291452A EP07291452A EP1908679A2 EP 1908679 A2 EP1908679 A2 EP 1908679A2 EP 07291452 A EP07291452 A EP 07291452A EP 07291452 A EP07291452 A EP 07291452A EP 1908679 A2 EP1908679 A2 EP 1908679A2
Authority
EP
European Patent Office
Prior art keywords
sailboat
fins
symmetry
plane
lateral
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.)
Withdrawn
Application number
EP07291452A
Other languages
English (en)
French (fr)
Other versions
EP1908679A3 (de
Inventor
Jean Psarofagis
Marc Van Peteghen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP07291452A priority Critical patent/EP1908679A3/de
Publication of EP1908679A2 publication Critical patent/EP1908679A2/de
Publication of EP1908679A3 publication Critical patent/EP1908679A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/24—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
    • B63B1/28—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils
    • B63B1/30—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils retracting or folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/16—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces
    • B63B1/24—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type
    • B63B1/242—Mounting, suspension of the foils

Definitions

  • the invention relates to the field of sailing, in particular the field of navigation on sailboats with several hulls and lift fins also referred to as English “foils” or “hydrofoils”.
  • the object of the invention is to propose a sailboat having an excellent adaptability enabling it, in particular, to have good performances in the Archimedean regime, ie at low speed, as well as in hydrodynamic regime, that is to say after passage to the advanced position.
  • the sailboat according to the invention has a great adaptability, which is reflected in particular by performances comparable to those of catamarans when the wind speed is low to moderate and, when the wind speed is moderate to high, by keeping the "overspeed rates" high (speed higher than that of the wind).
  • the boat according to the invention has a reduced weight because we can do without drifts.
  • the sailboat according to the invention is represented on the figure 1 according to a preferred embodiment. It comprises two shells 1,2, two transverse beams 3,4 connecting said shells 1,2, a central bar 5, a mast 6 carrying a sail 7 and if necessary other sails, a tail fin 8 generally called “ tail foil “and which is integral with a saffron 9, and two lateral lifting fins 10, 11 generally called” foils ", each generally provided with an end fin 12, 13 often referred to as a" winglet “and anti-ventilation rings 14 called “fence”.
  • the boat can obviously include other elements well known to those skilled in the art.
  • the sailboat is provided with means for fixing and tilting of the lifting fins which will now be described in detail.
  • Beam extensions 15, 16 are provided at each of the longitudinal ends of the beam 3. Preferably, they rise slightly preferably with respect to the longitudinal axis of the beam 3. These beam extensions 15, 16 have, beam side, a square section and, aileron side, a trapezoidal section. The largest side of the trapeze is on the sky side and the smaller side is the sea side.
  • Each extension 15, 16 forms, on the aileron side, a plane inclined with respect to the axis of the respective extension.
  • the slope forms, on the mast side, an acute angle with the axis of the respective extension (cf. Fig. 3 ).
  • fixing arms 17 project from the trapezium forming the free end of the extension 15.
  • These fixing arms 17 may be hollow tubes of carbon fibers.
  • This sleeve 19 has substantially the shape of a hollow tube with a rectangular section and whose interior matches the hydrodynamic shape of the lifting fin 10.
  • hollow carbon fiber fixing tubes 20 From the four corners of the rectangular face of the sleeve 19 on the shell side extend hollow carbon fiber fixing tubes 20, which converge at the point of articulation E mentioned above.
  • a triangular plate 19 whose base has the same length as the short side 21 of the trapezium extends this small side 21. At the free top 22 of this triangular plate is fixed in known manner the lower part of the body of a cylinder 23, leaving the cylinder 23 the ability to rotate about an axis parallel to the longitudinal axis of the shells 1, 2 and 5 bar.
  • the free end 25 of the rod of this cylinder is connected to the articulation E. This connection is similar to that of the fixing tubes 20 which is represented on the figure 8 and which is described below.
  • the fork 26 has a hole 28 at one end and, at another end, two feet 28 which each fit into the end of a fixing arm 17.
  • the connecting piece 27 has, at one end, four feet 29 which extend in pyramidal divergence to reach the sleeve 19 and, at the other end, a hole provided to align with the hole 28 and receive a link axis.
  • both the connecting piece 27 and the fork 26 and the end 25 of the jack 26 can rotate independently of each other about their common connecting axis.
  • the figure 6 represents the end of an attachment arm 17 intended to be articulated to the extension 15. This articulation is effected by means of a part having a cylindrical end 30 inserted into the (hollow) end of the arm of fixation 17 and another free end forming a thin wall 31 traversed by a hole in which extends an axis 32.
  • the thin wall 31 is intended to be inserted into a recess (not shown) provided in the inclined end of the extension 15, recess of which two opposite walls have a hole for each receiving an end of the axis 32.
  • Each end of the long side 24 of the trapezium comprises such a recess in order to fix the attachment arms 17 by allowing them to rotate around the axis 32.
  • FIG. 7 fixing the other end of the attachment arm 18 at the sheath 19.
  • a part having a cylindrical end 33 inserted inside a fixing arm 18 and a thin wall forming end 34 comprising a hole is maintained by means of an axis 35 between two flanges 36 receiving the axis 35 and projecting from the face of the sleeve 19 on the hull side.
  • the fixing arm 18 can rotate relative to the sheath 19.
  • a feed pipe joins a control device not shown, well known to those skilled in the art.
  • the latter comprises a manual or possibly electric pump connected to a handle and a distributor independently actuating the cylinder 23 of the extension 15 and the cylinder of the extension 16.
  • the piston can move from a position where its rod is retracted, to a position where its rod is out, the "retracted position” corresponding to the position A of a lift fin and the "position exit "at position B of this flap.
  • the person skilled in the art will be able, from the foregoing, to calculate the dimensions of the various parts mentioned above, so that the lateral lifting fins 10, 11 can move between a position A where they form an angle in the range of -15 to +15 degrees with respect to the plane of symmetry of the sailboat, that is to say the plane perpendicular to that formed by the transverse beams 3 and 4, and a position B where they form an angle in the range of 30 to 60 degrees from the plane of symmetry of the sailboat.
  • the lifting fin 10 or 11 performs, during the transition from the retracted position to the extended position, a displacement which is neither a rotation nor a translation but an advantageous combination of two.
  • sliding means such as (son, crank, etc.) to effect a sliding of one and / or the other lateral lifting fins along its respective longitudinal axis, to the inside its sheath.
  • control device is provided with a distributor which actuates the cylinders independently, it is possible to obtain an asymmetrical inclination of the lifting fins, which means that one of the lift fins may have an inclination, compared to the predefined plan of symmetry of the sailboat, which is different from that of the other fin.
  • the means for inclining the lift fins may be provided to obtain the respective distances between the upper ends of the lateral lifting fins and the hulls on which they are respectively fixed. , are smaller in position A than in position B (this possibility appears by comparing the figures 2 and 3 ).
  • the aforementioned fixing and tilting means allow, during the transition from position B to position A, to reduce the immersed part of the lifting fins, because they are then partially pulled out of the water by the cylinders.
  • This device may, for example, comprise a rail or a slide and it may replace or supplement the aforementioned fixing / tilting means.
  • any means allowing the respective distances between the upper ends of the lateral lifting fins and the hulls on which they are respectively fixed, of being smaller in position A than in position B, must also be understood as belonging to the present invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Wind Motors (AREA)
  • Toys (AREA)
EP07291452A 2007-12-04 2007-12-04 Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode Withdrawn EP1908679A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07291452A EP1908679A3 (de) 2007-12-04 2007-12-04 Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07291452A EP1908679A3 (de) 2007-12-04 2007-12-04 Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode

Publications (2)

Publication Number Publication Date
EP1908679A2 true EP1908679A2 (de) 2008-04-09
EP1908679A3 EP1908679A3 (de) 2008-07-23

Family

ID=39148507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07291452A Withdrawn EP1908679A3 (de) 2007-12-04 2007-12-04 Doppelrumpf-Segelboot mit Stützflügeln und entsprechende Navigationsmethode

Country Status (1)

Country Link
EP (1) EP1908679A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014129915A1 (en) 2013-02-20 2014-08-28 Ux2 Centrum Technologiczne Sp. Z.O.O A small-sized speedboat with hydrofoils

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678333A1 (fr) 1991-06-27 1992-12-31 Valeo Embrayage a commande hydraulique, notamment pour vehicule automobile.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE362712C (de) * 1919-10-02 1922-10-31 Emil Palmblad Schwertanordnung
US4582011A (en) * 1983-07-01 1986-04-15 Logan William F Hydrofoil vessel
FR2703975B1 (fr) * 1993-04-13 1995-06-30 Bergh De Alain Henri Jean Hydroptere a voile.
LV11603B (en) * 1996-08-19 1997-04-20 Eglajs Aldis Sailboat-trimaran with hydrofoil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2678333A1 (fr) 1991-06-27 1992-12-31 Valeo Embrayage a commande hydraulique, notamment pour vehicule automobile.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014129915A1 (en) 2013-02-20 2014-08-28 Ux2 Centrum Technologiczne Sp. Z.O.O A small-sized speedboat with hydrofoils

Also Published As

Publication number Publication date
EP1908679A3 (de) 2008-07-23

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