EP0119228A1 - 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.Info
- Publication number
- EP0119228A1 EP0119228A1 EP83902890A EP83902890A EP0119228A1 EP 0119228 A1 EP0119228 A1 EP 0119228A1 EP 83902890 A EP83902890 A EP 83902890A EP 83902890 A EP83902890 A EP 83902890A EP 0119228 A1 EP0119228 A1 EP 0119228A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- main
- tail
- main bearing
- 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.)
- Granted
Links
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
- Hydrofoil device stabilized by tailplane and nautical vehicle fitted with this device.
- the present invention 'relates to a hydroptèr device (also called hydrofoil) to tail, intended to be u- sed on fast watercraft. It also extends to nautical vehicles fitted with this device.
- hydrofoils is a technique increasingly used on fast boats, motor or sail, to improve their performance beyond a certain
- the first type has the advantage of being able to lead to configurations where the marine vehicle is naturally stable with respect 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, has no natural stability and must be constantly piloted. 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 designed to present natural stability and automatic regulation of the depth of immersion without the intervention of a piloting system.
- the main por ⁇ aunt surface which is completely immersed in fonc ⁇ tioning, A. a height -Dessous of s * urfa- this is combined with a stabilizer or auxiliary airfoil, which is raised relative to the main por ⁇ tant surface, so as to emerge when the system lifts and while the main surface is still completely submerged.
- the decrease in the importance exerted on the tail then causes a decrease in the incidence of the main surface and a corresponding decrease in its lift, so that the system tends to submerge more.
- the tail is in front of the main bearing surface in the direction of forward movement of the boat.
- the auxiliary surface is at a level lower than that of the main bearing surface, so that the automatic stabilization effect provided by the invention cannot be obtained.
- Figure 1 is a side view, in elevation, of a device according to the invention.
- Figure 2 is a horizontal projection view. The figure shows an alternative embodiment.
- Figure 4 is a perspective view of an assembly comprising two tail units associated with the same main surface.
- Figure 5 shows an embodiment of the art culation of the main load-bearing surface fuselage and tail assembly.
- FIG. 6 is a view of a boat comprising three devices — 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.
- This angle incidence 7 is a function of the deflection of the front stabilizer which can either have been predetermined or be adjusted during navigation (for example by means of a cable control under flexible sheath).
- the front stabilizer due to the offset in height 6 relative to the main bearing plane, approaches the surface first.
- FIG. 3 In the variant of the invention represented by FIG. 3, the same elements are found: strut 1, hinge pin 2, main bearing plane 3 . empennage 4, fuselage 5. The only difference is that the empennage is placed behind the principal plane compared to the direction of advance 8. The empennage is still shifted in height (offset 6) compared to the main bearing plane
- 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 thereof relative to the fuselage 5 is such that the proper lift of the empenna ge is directed downwards, while it is directed towards the top in the case of Figure 1.
- 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 empennages 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 tail unit 4 and articulated respectively in 2 on ja - hes of force 1 supporting the boat.
- the axes of articulation 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
- the invention in its various forms is applicable to all fast, sailing or motorized marine vehicles (especially speedboats, multihull sailboats, sailboards).
- FIG. 6 shows an example of application on a speedboat using three carrier assemblies a, b, £, 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 cable: for example propeller carried by the rear assembly ç_ which also acts as rudder, its strut 1 then being mobile in rotation around d 'a vertical axis.
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)
- 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)
Abstract
Description
Claims
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 true EP0119228A1 (fr) | 1984-09-26 |
EP0119228B1 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 (fr) |
EP (1) | EP0119228B1 (fr) |
JP (1) | JPS59501503A (fr) |
AU (1) | AU554930B2 (fr) |
BR (1) | BR8307517A (fr) |
DE (1) | DE3362319D1 (fr) |
FR (1) | FR2545779B1 (fr) |
IT (1) | IT1169824B (fr) |
WO (1) | WO1984001137A1 (fr) |
Families Citing this family (14)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL34042C (fr) * | 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 |
-
1982
- 1982-09-15 FR FR8215630A patent/FR2545779B1/fr not_active Expired
-
1983
- 1983-09-14 BR BR8307517A patent/BR8307517A/pt unknown
- 1983-09-14 US US06/610,990 patent/US4579076A/en not_active Expired - Fee Related
- 1983-09-14 WO PCT/FR1983/000179 patent/WO1984001137A1/fr active IP Right Grant
- 1983-09-14 EP EP83902890A patent/EP0119228B1/fr not_active Expired
- 1983-09-14 DE DE8383902890T patent/DE3362319D1/de not_active Expired
- 1983-09-14 JP JP83502960A patent/JPS59501503A/ja active Pending
- 1983-09-14 AU AU19490/83A patent/AU554930B2/en not_active Ceased
- 1983-09-14 IT IT22886/83A patent/IT1169824B/it active
Non-Patent Citations (1)
Title |
---|
See references of WO8401137A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU1949083A (en) | 1984-04-04 |
IT8322886A0 (it) | 1983-09-14 |
FR2545779B1 (fr) | 1986-12-26 |
WO1984001137A1 (fr) | 1984-03-29 |
FR2545779A1 (fr) | 1984-11-16 |
IT1169824B (it) | 1987-06-03 |
EP0119228B1 (fr) | 1986-02-26 |
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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