EP3687890A1 - Motor boat with foils which are retractable by tilting - Google Patents

Motor boat with foils which are retractable by tilting

Info

Publication number
EP3687890A1
EP3687890A1 EP18786857.5A EP18786857A EP3687890A1 EP 3687890 A1 EP3687890 A1 EP 3687890A1 EP 18786857 A EP18786857 A EP 18786857A EP 3687890 A1 EP3687890 A1 EP 3687890A1
Authority
EP
European Patent Office
Prior art keywords
foils
boat
supports
horizontal direction
tilting
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
Application number
EP18786857.5A
Other languages
German (de)
French (fr)
Other versions
EP3687890B8 (en
EP3687890B1 (en
Inventor
Arthur ROZAND
Alaric LUKOWSKI
Stéphane DYEN
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.)
Enata Holding Foundation
Original Assignee
Enata Investment Corp Pte Ltd
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 Enata Investment Corp Pte Ltd filed Critical Enata Investment Corp Pte Ltd
Priority to HRP20230314TT priority Critical patent/HRP20230314T1/en
Priority to SI201830886T priority patent/SI3687890T1/en
Publication of EP3687890A1 publication Critical patent/EP3687890A1/en
Application granted granted Critical
Publication of EP3687890B1 publication Critical patent/EP3687890B1/en
Publication of EP3687890B8 publication Critical patent/EP3687890B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B63B1/26—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type having more than one hydrofoil
    • 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
    • B63B1/28—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils
    • B63B2001/281—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving additional lift from hydrodynamic forces of hydrofoil type with movable hydrofoils movable about an axis substantially parallel to the flow direction

Definitions

  • the present invention relates to motorized foil boats.
  • US Patent 4,237,810 discloses a motor boat with foils.
  • the patent application WO2016 / 0094090 discloses a principle that makes it possible to satisfy two distinct distinct geometrical configurations, namely (i) the coincidence with the shape of the hull of the foils in the raised position, and (ii) the positioning of the foils in the low position which allows to obtain naturally the autostability of the hydrofoil in flight, whether in roll or in pitch.
  • the devices of the state of the art do not allow the foils to be both above the waterline in the passive position, optimally integrated in the supporting structure, and sufficiently wide apart in the active position, p. ex. at least twice the width of the boat. Such a provision would have the merit of increasing the natural stability of the boat while minimizing the bulk of the foils in the passive position.
  • the invention offers the advantage of reducing the bulk of foils since they can be positioned under the deck of the boat.
  • the figure describes an exemplary embodiment in which the foils 2 are similar but not symmetrically identical.
  • the supports 4 are slightly asymmetrical so as to be superimposed in the carrier structure 1 in the passive position.
  • the figure illustrates three positions foils 2,2 ', 2 ", the passive position 2, a transient position 2' and the active position 2".
  • the wings 3 merge with the side walls of the supporting structure 1.
  • the distance between the ends of the wings 3 is at least equivalent to twice the width of the supporting structure 1.
  • the foils 2,2 ', 2 "initially move along a slightly curved path that moves away from the vertical median plane 5 of the supporting structure 1.
  • a tilting of the foils 2 follows. ', 2 "around an axis 6 directed in a direction parallel to the main axis of the boat.
  • the free end 8 of each support 4 is also rotated about the axis 6.

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)
  • Support Of The Bearing (AREA)
  • Particle Accelerators (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Superconductive Dynamoelectric Machines (AREA)

Abstract

Motor boat comprising a support structure and at least one pair of similar foils arranged on each side of the support structure, each of said foils being defined by a wing and its support; the latter being retractable into the lower part of the structure and mounted so as to be slidable relative thereto; said foils being arranged so as to adopt at least two fixed positions, namely an "active" position in which they are deployed in similar positions and a "passive" position in which said supports are retracted into the support structure; characterized in that the boat is adapted such that the deployment of the foils comprises an initial movement of the supports in a substantially horizontal direction away from the vertical median plane of the support structure, followed by a tilting about an axis parallel or substantially parallel to the main axis of the boat.

Description

Bateau moteur à foils rétractables par basculement  Motorboat with tiltable retractable foils
Domaine de l'invention Field of the invention
La présente invention concerne les bateaux motorisés à foils. The present invention relates to motorized foil boats.
Etat de la technique State of the art
Le principe consistant à assurer l'équilibrage du poids d'un bateau par un effet de portance hydrodynamique produit par la vitesse de l'eau agissant sur des éléments en forme d'ailes immergées, semi-immergées ou traversant la surface de l'eau, par opposition à la seule utilisation de l'effet archimédien des volumes immergés, est relativement ancien. Dès le début du vingtième siècle il existe des bateaux à moteur équipés de ce genre de dispositif nommé foil. On connaît par ailleurs l'utilisation de foils dans le but de stabiliser en roulis ou en tangage des navires en configuration archimédienne. L'utilisation de foils améliore la performance des bateaux par l'augmentation de la vitesse et/ou la diminution de la consommation énergétique. The principle of balancing the weight of a boat by a hydrodynamic lift effect produced by the speed of the water acting on elements in the form of submerged wings, semi-submerged or crossing the surface of the water , as opposed to the only use of the Archimedean effect of submerged volumes, is relatively old. From the beginning of the twentieth century there are motor boats equipped with this kind of device named foil. We also know the use of foils in order to stabilize roll or pitch vessels in Archimedean configuration. The use of foils improves the performance of boats by increasing speed and / or reducing energy consumption.
Le brevet US 4 237 810 divulgue un bateau à moteur doté de foils. US Patent 4,237,810 discloses a motor boat with foils.
Sur ce bateau, et plus généralement sur les bateaux motorisés à foils, la position des foils par rapport à la structure porteuse ne varie pas, que le bateau soit à l'arrêt, se déplace à faible ou grande vitesse, que la force du vent ou la hauteur des vagues soit prononcée ou non. On this boat, and more generally on motorized foil boats, the position of the foils relative to the load-bearing structure does not vary, whether the boat is at a standstill, moves at low or high speed, that the force of the wind where the height of the waves is pronounced or not.
D'autres brevets, tels que le brevet US 3 241 51 1 , divulguent des principes de bateaux à moteur et à foils avec système de rétractabilité des foils, par coulissement vertical ou par mécanismes divers de rotation. Ces systèmes permettent notamment de relativement réduire l'encombrement et la traînée des appendices lorsqu'ils ne sont pas utilisés. Other patents, such as US Pat. No. 3,241,511, disclose principles of motor and foil boats with foil retractability system, vertical sliding or various rotational mechanisms. These systems make it possible in particular to relatively reduce the size and the drag of the appendages when they are not used.
La demande de brevet WO2016/0094090 divulgue un principe permettant de satisfaire deux configurations géométriques distinctes précises, à savoir (i) la coïncidence avec la forme de la coque des foils en position relevée, et (ii) le positionnement des foils en position basse qui permette d'obtenir naturellement l'autostabilité de l'hydrofoil en vol, que ce soit en roulis ou en tangage. The patent application WO2016 / 0094090 discloses a principle that makes it possible to satisfy two distinct distinct geometrical configurations, namely (i) the coincidence with the shape of the hull of the foils in the raised position, and (ii) the positioning of the foils in the low position which allows to obtain naturally the autostability of the hydrofoil in flight, whether in roll or in pitch.
Les dispositifs de l'état de la technique ne permettent cependant pas que les foils soient à la fois au-dessus de la ligne de flottaison en position passive, intégrés de façon optimale dans la structure porteuse, et suffisamment écartés en position active, p. ex. d'au moins deux fois la largeur du bateau. Une telle disposition aurait le mérite d'augmenter la stabilité naturelle du bateau tout en minimisant l'encombrement des foils en position passive. The devices of the state of the art, however, do not allow the foils to be both above the waterline in the passive position, optimally integrated in the supporting structure, and sufficiently wide apart in the active position, p. ex. at least twice the width of the boat. Such a provision would have the merit of increasing the natural stability of the boat while minimizing the bulk of the foils in the passive position.
Description de l'invention Description of the invention
La présente invention offre notamment l'avantage de remédier au problème décrit dans le chapitre précédent. The present invention offers the advantage of overcoming the problem described in the previous chapter.
De manière générale, elle consiste à initialement déployer les foils le long d'une trajectoire sensiblement horizontale puis de les basculer en direction du plan d'eau. In general, it consists in initially deploying the foils along a substantially horizontal trajectory and then tilting them towards the body of water.
L'invention concerne plus précisément un bateau à moteur comprenant une structure porteuse et au moins une paire de foils similaires disposés de chaque côté de la structure porteuse , chacun desdits foils étant défini par une aile et son support; ce dernier étant rétractable dans la partie inférieure de la structure et monté coulissant par rapport à celle-ci ; lesdits foils étant disposés de manière à adopter au moins deux positions fixes, à savoir une position dite « active » dans laquelle ils sont déployés dans des positions similaires et une position dite « passive » dans laquelle lesdits supports sont rétractés dans la structure porteuse; caractérisé par le fait que le bateau est adapté de manière à ce que le déploiement des foils comprenne un déplacement initial des supports selon une direction sensiblement horizontale, qui s'éloigne du plan médian vertical de la structure porteuse, suivi d'un basculement autour d'un axe parallèle ou sensiblement parallèle à l'axe principal du bateau. The invention more specifically relates to a motor boat comprising a carrying structure and at least one pair of similar foils disposed on each side of the support structure, each of said foils being defined by a wing and its support; the latter being retractable in the lower part of the structure and slidably mounted relative thereto; said foils being arranged to adopt at least two fixed positions, namely a so-called "active" position in which they are deployed in similar positions and a so-called "passive" position in which said supports are retracted into the carrier structure; characterized by the fact that the boat is adapted so that the unfolding of the foils comprises an initial displacement of the supports in a substantially horizontal direction, which moves away from the vertical median plane of the supporting structure, followed by a tilting around an axis parallel or substantially parallel to the main axis of the boat.
Par « direction sensiblement horizontale », il faut comprendre une trajectoire rectiligne horizontale ou presque, une trajectoire légèrement incurvée mais se confondant presque avec une direction horizontale, ou tout autre trajectoire projet d'une direction horizontale.  By "substantially horizontal direction" must be understood a straight or almost horizontal trajectory, a slightly curved trajectory but almost coinciding with a horizontal direction, or any other project trajectory of a horizontal direction.
Il convient de relever que l'invention offre notamment l'avantage de réduire l'encombrement des foils étant donné qu'ils peuvent être positionnés sous le pont du bateau. It should be noted that the invention offers the advantage of reducing the bulk of foils since they can be positioned under the deck of the boat.
Selon un autre mode de réalisation de l'invention les foils sont guidés par deux cales adaptées en ce qu'elles permettent le passage de voiles de corde et vrillages évolutifs. Avantageusement le système de remontée mécanique des foils comporte un vérin à vis solidaire de structure porteuse et du foil simultanément. De manière générale, le mécanisme de déploiement des foils décrit dans la présente demande de brevet peut être combiné avec toutes les autres caractéristiques décrites dans la demande de brevet WO 2016/009409, en particulier le simulateur dynamique. According to another embodiment of the invention the foils are guided by two shims adapted in that they allow the passage of rope sails and evolutionary twisting. Advantageously, the mechanical lift system of the foils comprises a screw jack secured to the carrier structure and the foil simultaneously. In general, the mechanism for deploying foils described in the present patent application can be combined with all the other features described in the patent application WO 2016/009409, in particular the dynamic simulator.
La figure décrit un exemple de réalisation dans lequel les foils 2 sont similaires mais pas symétriquement identiques. Les supports 4 sont légèrement dissymétriques de manière à pouvoir être superposés dans la structure porteuse 1 en position passive. La figure illustre trois positions des foils 2,2',2", soit la position passive 2, une position transitoire 2' et la position active 2". The figure describes an exemplary embodiment in which the foils 2 are similar but not symmetrically identical. The supports 4 are slightly asymmetrical so as to be superimposed in the carrier structure 1 in the passive position. The figure illustrates three positions foils 2,2 ', 2 ", the passive position 2, a transient position 2' and the active position 2".
En position passive, les ailes 3 se confondent avec les parois latérales de la structure porteuse 1. In passive position, the wings 3 merge with the side walls of the supporting structure 1.
En position active, la distance entre les extrémités des ailes 3" est au moins équivalente à deux fois la largeur de la structure porteuse 1. In the active position, the distance between the ends of the wings 3 "is at least equivalent to twice the width of the supporting structure 1.
Lors de la phase de déploiement les foils 2,2', 2" se déplacent initialement le long d'une trajectoire légèrement incurvée qui s'éloigne du plan médian vertical 5 de la structure porteuse 1 . S'en suit un basculement des foils 2',2" autour d'un axe 6 dirigé selon une direction parallèle à l'axe principal du bateau. Lors du basculement, l'extrémité libre 8 de chaque support 4 subit également une rotation autour de l'axe 6. During the deployment phase the foils 2,2 ', 2 "initially move along a slightly curved path that moves away from the vertical median plane 5 of the supporting structure 1. A tilting of the foils 2 follows. ', 2 "around an axis 6 directed in a direction parallel to the main axis of the boat. During tilting, the free end 8 of each support 4 is also rotated about the axis 6.
Il va de soi que l'invention ne se limite pas aux exemples décrits et illustrés dans le présent document. Elle couvre n'importe quel mécanisme permettant de modifier la position des foils pendant la navigation tel que défini dans les revendications. It goes without saying that the invention is not limited to the examples described and illustrated in this document. It covers any mechanism for modifying the position of the foils during navigation as defined in the claims.
Références numériques utilisées dans la figure : Numerical references used in the figure:
1. Structure porteuse 1. Supporting structure
2. Foil en position passive  2. Foil in passive position
2'. Foil en position transitoire 2 '. Foil in transient position
2". Foil en position active 2 ". Foil in active position
3. Aile en position passive 3'. Aile en position transitoire 3". Aile en position active 3. Wing in passive position 3 '. Wing in transitional position 3 "Wing in active position
4. Support en position passive 4'. Support en position transitoire 4". Support en position active 4. Support in passive position 4 '. Support in transitional position 4 "Support in active position
5. Plan médian vertical 5. Vertical median plane
6. Axe de basculement  6. Tipping axis
7. Extrémité libre de support  7. Free support end
8. Trajectoire d'extrémité libre de support  8. Support free end path

Claims

REVENDICATIONS
1. Bateau à moteur comprenant une structure porteuse (1) et au moins une paire de foils similaires (2,2', 2") disposés de chaque côté de la structure porteuse (1), chacun desdits foils (2,2',2") étant défini par une aile (3, 3', 3") et son support (4,4',4"); ce dernier étant rétractable dans la partie inférieure de la structure (1) et monté coulissant par rapport à celle-ci ; lesdits foils (2, 2', 2") étant disposés de manière à adopter au moins deux positions fixes, à savoir une position dite « active » dans laquelle ils sont déployés dans des positions similaires et une position dite « passive » dans laquelle lesdits supports (4, 4', 4") sont rétractés dans la structure porteuse (1); caractérisé par le fait que le bateau est adapté de manière à ce que le déploiement des foils (2,2', 2") comprenne un déplacement initial des supports (4,4') selon une direction sensiblement horizontale, qui s'éloigne du plan médian vertical (5) de la structure porteuse (1), suivi d'un basculement autour d'un axe (6) parallèle ou sensiblement parallèle à l'axe principal du bateau.  Motor boat comprising a carrier structure (1) and at least one pair of similar foils (2,2 ', 2 ") disposed on each side of the carrier structure (1), each of said foils (2,2', 2 ") being defined by a wing (3, 3 ', 3") and its support (4,4', 4 "); the latter being retractable in the lower part of the structure (1) and slidably mounted relative thereto; said foils (2, 2 ', 2 ") being arranged to adopt at least two fixed positions, namely a so-called" active "position in which they are deployed in similar positions and a so-called" passive "position in which said supports (4, 4 ', 4 ") are retracted into the carrier structure (1); characterized in that the boat is adapted so that the deployment of the foils (2,2 ', 2 ") comprises an initial displacement of the supports (4,4') in a substantially horizontal direction, away from the vertical median plane (5) of the supporting structure (1), followed by a tilting around an axis (6) parallel or substantially parallel to the main axis of the boat.
2. Bateau à moteur selon la revendication 1 dans lequel les foils (2,2', 2") sont déployés de manière dissymétrique. 2. Motorboat according to claim 1 wherein the foils (2,2 ', 2 ") are deployed asymmetrically.
3. Bateau à moteur selon la revendication 1 ou 2 dans lequel la direction sensiblement horizontale forme une trajectoire légèrement incurvée. A motor boat according to claim 1 or 2 wherein the substantially horizontal direction forms a slightly curved path.
4. Utilisation d'un bateau à moteur tel que défini dans l'une quelconque des revendications précédentes, caractérisé par le fait que le déploiement des foils (2,2', 2") comprend un déplacement initial des supports (4,4') selon une direction sensiblement horizontale, qui s'éloigne du plan médian vertical (5) de la structure porteuse (1), suivi d'un basculement autour d'un axe (6) parallèle ou sensiblement parallèle à l'axe principal du bateau. 4. Use of a motor boat as defined in any one of the preceding claims, characterized in that the deployment of the foils (2,2 ', 2 ") comprises an initial displacement of the supports (4,4' ) in a substantially horizontal direction, which moves away from the vertical median plane (5) of the supporting structure (1), followed by a tilting around an axis (6) parallel or substantially parallel to the main axis of the boat .
EP18786857.5A 2017-09-26 2018-09-12 Motor boat with foils which are retractable by tilting Active EP3687890B8 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HRP20230314TT HRP20230314T1 (en) 2017-09-26 2018-09-12 Motor boat with foils which are retractable by tilting
SI201830886T SI3687890T1 (en) 2017-09-26 2018-09-12 Motor boat with foils which are retractable by tilting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17193090 2017-09-26
PCT/IB2018/056975 WO2019064106A1 (en) 2017-09-26 2018-09-12 Motor boat with foils which are retractable by tilting

Publications (3)

Publication Number Publication Date
EP3687890A1 true EP3687890A1 (en) 2020-08-05
EP3687890B1 EP3687890B1 (en) 2022-12-28
EP3687890B8 EP3687890B8 (en) 2023-04-12

Family

ID=60001672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18786857.5A Active EP3687890B8 (en) 2017-09-26 2018-09-12 Motor boat with foils which are retractable by tilting

Country Status (12)

Country Link
US (1) US11577806B2 (en)
EP (1) EP3687890B8 (en)
AU (1) AU2018343213A1 (en)
DK (1) DK3687890T3 (en)
ES (1) ES2941469T3 (en)
FI (1) FI3687890T3 (en)
HR (1) HRP20230314T1 (en)
LT (1) LT3687890T (en)
PL (1) PL3687890T3 (en)
PT (1) PT3687890T (en)
SI (1) SI3687890T1 (en)
WO (1) WO2019064106A1 (en)

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Also Published As

Publication number Publication date
US20200247505A1 (en) 2020-08-06
SI3687890T1 (en) 2023-05-31
DK3687890T3 (en) 2023-04-03
EP3687890B8 (en) 2023-04-12
FI3687890T3 (en) 2023-04-18
US11577806B2 (en) 2023-02-14
AU2018343213A1 (en) 2020-04-16
HRP20230314T1 (en) 2023-05-12
LT3687890T (en) 2023-04-25
PT3687890T (en) 2023-03-31
WO2019064106A1 (en) 2019-04-04
EP3687890B1 (en) 2022-12-28
PL3687890T3 (en) 2023-05-22
ES2941469T3 (en) 2023-05-23

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