EP0119228B1 - Dispositif d'hydroptere stabilise par empennage et vehicule nautique muni de ce dispositif - Google Patents

Dispositif d'hydroptere stabilise par empennage et vehicule nautique muni de ce dispositif Download PDF

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Publication number
EP0119228B1
EP0119228B1 EP83902890A EP83902890A EP0119228B1 EP 0119228 B1 EP0119228 B1 EP 0119228B1 EP 83902890 A EP83902890 A EP 83902890A EP 83902890 A EP83902890 A EP 83902890A EP 0119228 B1 EP0119228 B1 EP 0119228B1
Authority
EP
European Patent Office
Prior art keywords
tail unit
principal
assembly
bearing surface
articulation
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
Application number
EP83902890A
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German (de)
English (en)
French (fr)
Other versions
EP0119228A1 (fr
Inventor
Daniel Elie Chaumette
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
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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
Publication of EP0119228A1 publication Critical patent/EP0119228A1/fr
Application granted granted Critical
Publication of EP0119228B1 publication Critical patent/EP0119228B1/fr
Expired 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
    • B63B1/16—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
    • B63B1/285—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils changing the angle of attack or the lift of the foil

Definitions

  • the present invention relates to a hydrofoil device (also called hydrofoil) with empennags, intended for use on ess fast nautical vehicles. It also extends to nautical vehicles minuis of this device.
  • hydrofoils is a technique increasingly used on fast boats, motor or sail, to improve their performance beyond a certain speed, by replacing the lift of hydrostatic origin by the hydrodynamic lift. a system of submerged wings.
  • the first type has the advantage of being able to lead to configurations where the marine vehicle is naturally stable relative to the surface of the water. On the other hand, it has the disadvantage of having a stronger drag than the second type.
  • the second type on the other hand does not have natural stability and must be piloted permanently. Boats using this type of hydrofoil are currently stabilized by an automatic pilot system acting on control surfaces by means of hydraulic cylinders. This leads to an expensive, cumbersome and complicated system.
  • the present invention relates to a hydrofoil system similar to the second type, but arranged to have natural stability and bare automatic regulation of the depth of immersion without the intervention of a piloting system.
  • the main bearing surface which is completely submerged in operation, at a certain height below the surface, is combined with an empennage or auxiliary bearing surface, which is raised relative to the bearing surface. main, so as to emerge when the system is raised and while the main surface is still completely submerged.
  • the decrease in the lift exerted on the empennage then causes a decrease in the incidence of the main surface and a correlative decrease in its lift, so that the system tends to immerse itself more.
  • the empemage is in front of the main bearing surface in the direction of advance of the boat.
  • Figure 1 is a side view, in elevation, of a device according to the invention.
  • Figure 2 is a horizontal projection view.
  • Figure 3 shows an alternative embodiment.
  • Figure 4 is a perspective view of an assembly comprising two empennages associated with the same main surface.
  • Figure 5 shows an embodiment of the joint of the main bearing surface, fuselage and tail assembly.
  • FIG. 6 is a perspective of a boat comprising three devices according to FIG. 1.
  • FIG. 1 comprises a main bearing surface 3 which will be called hereinafter "main plane", it being understood that said surface may have a shape different from that of a plane and be for example a biplane, a front horizontal stabilizer 4 and a fuselage 5 connecting the two load-bearing elements.
  • main plane which will be called hereinafter "main plane"
  • front horizontal stabilizer 4 and a fuselage 5 connecting the two load-bearing elements.
  • the empennage is located at a certain height 6 above the main plane 3.
  • the assembly is articulated by the hinge pin 2 on a profiled strut 1 which supports a nautical craft, boat for example.
  • the operation is similar to that of the basic invention, the condition of stability being obtained on the other hand on the condition that the articulation axis 2 is in front of the hydrodynamic focus of the mobile assembly devoid of its tail.
  • the angular setting of the latter relative to the fuselage 5 is such that the proper lift of the empennage is directed downwards, while it is directed towards
  • the articulation axis of the mobile assembly can be carried by several struts, the mobile assembly can have one or more main bearing planes, and one or more tail units carried by one or more fuselages.
  • FIG. 4 shows an example in which the main plane 3 is linked to two fuselages 5 each comprising a tailplane 4 and articulated respectively in 2 on struts 1 supporting the boat.
  • the articulation axes 2 are aligned.
  • FIG. 5 shows an exemplary embodiment of such a connection between the strut 1 and the fuselage 5 of the mobile assembly.
  • the articulation axis 2 is equipped with travel stops 10 and a hydraulic shock absorber 11.
  • the invention in its different forms is applicable to all fast sea vehicles, sailing or motor (including speedboats, multihull sailboats, sailboards).
  • FIG. 6 shows an example of application on a speedboat using three carrier assemblies a, b, c, produced according to FIG. 1.
  • These assemblies can be lifted or folded for maneuvering at low speeds. They can also play the role of rudder or rudder, and be integrated with the propellant device: for example propeller carried by the rear assembly c which also acts as rudder, its strut 1 then being movable in rotation around a vertical axis.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Earth Drilling (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
EP83902890A 1982-09-15 1983-09-14 Dispositif d'hydroptere stabilise par empennage et vehicule nautique muni de ce dispositif Expired EP0119228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8215630A FR2545779B1 (fr) 1982-09-15 1982-09-15 Systeme d'hydrofoil stabilise par empennage
FR8215630 1982-09-15

Publications (2)

Publication Number Publication Date
EP0119228A1 EP0119228A1 (fr) 1984-09-26
EP0119228B1 true EP0119228B1 (fr) 1986-02-26

Family

ID=9277494

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83902890A Expired EP0119228B1 (fr) 1982-09-15 1983-09-14 Dispositif d'hydroptere stabilise par empennage et vehicule nautique muni de ce dispositif

Country Status (9)

Country Link
US (1) US4579076A (it)
EP (1) EP0119228B1 (it)
JP (1) JPS59501503A (it)
AU (1) AU554930B2 (it)
BR (1) BR8307517A (it)
DE (1) DE3362319D1 (it)
FR (1) FR2545779B1 (it)
IT (1) IT1169824B (it)
WO (1) WO1984001137A1 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652558B1 (fr) * 1989-03-03 1995-05-19 Gilles Durand Flotteur equipe d'une aile portante sous-marine asservie par un palpeur.
AU7250291A (en) * 1989-12-20 1991-07-18 Greg S. Ketterman Foil suspended watercraft
US5311832A (en) * 1991-12-20 1994-05-17 Dynafoils, Inc. Advanced marine vehicles for operation at high speeds in or above rough water
US5653189A (en) * 1991-12-20 1997-08-05 Dynafoils, Inc. Hydrofoil craft
US5309859A (en) * 1993-04-13 1994-05-10 Miller Richard T Hydrofoil device
DE19545458A1 (de) * 1995-12-06 1997-06-12 Heinz Gruenberg Schiff mit mehreren Antriebsschrauben und auftriebserzeugenden Flügeln
US6178905B1 (en) * 1998-08-19 2001-01-30 Waveblade Corporation Personal hydrofoil water craft
HU222032B1 (hu) 1999-10-22 2003-03-28 István Subert Javított menettulajdonságú ultravékony hajótest
US9056654B1 (en) * 2014-12-19 2015-06-16 Serge Fraser Hydrofoil and water sport board equipped therewith
US10118668B2 (en) * 2016-08-17 2018-11-06 Markus Dombois Self-propelling hydrofoil device
US10486771B2 (en) 2017-11-08 2019-11-26 Yujet International Corporation Limited Motorized hydrofoil device
FR3089200B1 (fr) * 2018-12-04 2021-07-16 Univ Montpellier Ensemble support pour élément profilé
SE546047C2 (en) * 2022-01-17 2024-04-23 Candela Tech Ab Watercraft with hydrofoild adjustment arrangement comprising truncated head
SE2250037A1 (en) * 2022-01-17 2023-07-18 Candela Tech Ab A strut for a profiled element of a marine vessel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL34042C (it) * 1900-01-01
US1186816A (en) * 1913-06-03 1916-06-13 William M Meacham Hydroplane-boat.
US2584347A (en) * 1950-04-11 1952-02-05 Allyn B Hazard Hydrofoil boat
US3141437A (en) * 1958-05-23 1964-07-21 Scherer Constant lift system for craft
US3407770A (en) * 1966-12-02 1968-10-29 David Z. Bailey Hydrofoil
US3520264A (en) * 1967-10-16 1970-07-14 Paul A Scherer Hydrofoil cargo ship
US3762353A (en) * 1971-09-09 1973-10-02 S Shutt High speed sailboat

Also Published As

Publication number Publication date
AU1949083A (en) 1984-04-04
IT8322886A0 (it) 1983-09-14
EP0119228A1 (fr) 1984-09-26
FR2545779B1 (fr) 1986-12-26
WO1984001137A1 (fr) 1984-03-29
FR2545779A1 (fr) 1984-11-16
IT1169824B (it) 1987-06-03
JPS59501503A (ja) 1984-08-23
US4579076A (en) 1986-04-01
AU554930B2 (en) 1986-09-04
BR8307517A (pt) 1984-08-14
DE3362319D1 (en) 1986-04-03

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