FR3018498A1 - INCREASE IN THE STABILITY OF A BOAT AT ANCHORING WITH A SYSTEM OF FINS FIXED ON THE FLANKS OF THE HULL AND WHICH MOVE UNDER THE LINE OF FLOTATION - Google Patents

INCREASE IN THE STABILITY OF A BOAT AT ANCHORING WITH A SYSTEM OF FINS FIXED ON THE FLANKS OF THE HULL AND WHICH MOVE UNDER THE LINE OF FLOTATION Download PDF

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Publication number
FR3018498A1
FR3018498A1 FR1400591A FR1400591A FR3018498A1 FR 3018498 A1 FR3018498 A1 FR 3018498A1 FR 1400591 A FR1400591 A FR 1400591A FR 1400591 A FR1400591 A FR 1400591A FR 3018498 A1 FR3018498 A1 FR 3018498A1
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Prior art keywords
boat
hull
water
fins
stability
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FR1400591A
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French (fr)
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Espen Franck Fabrice Henri Van
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Individual
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Priority to FR1400591A priority Critical patent/FR3018498A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/06Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B41/00Drop keels, e.g. centre boards or side boards ; Collapsible keels, or the like, e.g. telescopically; Longitudinally split hinged keels

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  • 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)

Abstract

Le principe de l'invention est de fixer deux coffres sur les flancs du bateau qui contiennent deux ailerons qui pivotent ensuite sous la ligne de flottaison. Lorsque ces ailerons sont abaissés, ils exercent une pression contre l'eau pour diminuer le roulis. Grâce à une petite partie plane fixée sur l'une des arêtes, ils pourront se relever automatiquement sous la poussée de l'eau et ensuite être coincé par un système de fermeture en position horizontale. En libérant ce système de fermeture, ils descendent librement dans l'eau jusqu'à 90 ° de la ligne représentée par le bouchain de la coque et offrent ainsi une résistance contre l'eau pour limiter le balancement du bateau. L'avantage de ce boîtier est qu'il se confond dans la structure latérale de la coque et qu'il n'altère en rien les capacités dynamiques du bateau. Ce dispositif s'adresse à tous les types de bateau sans aucune limite de taille.The principle of the invention is to fix two chests on the sides of the boat which contain two fins which then pivot below the waterline. When these fins are lowered, they exert a pressure against the water to reduce the roll. Thanks to a small flat part fixed on one of the edges, they will be able to rise automatically under the pressure of the water and then to be wedged by a closing system in horizontal position. By releasing this closing system, they descend freely into the water up to 90 ° from the line represented by the bilge of the hull and thus offer resistance against water to limit the swaying of the boat. The advantage of this case is that it merges into the lateral structure of the hull and it does not alter the dynamic capabilities of the boat. This device is for all types of boat without any size limit.

Description

Description de l'invention 1 la présente invention permet d'augmenter la stabilité d'un bateau au mouillage avec un mécanisme simple, efficace et économique. A ce jour, pour améliorer la stabilité d'un bateau de moins de 15 mètres, il n'existe que des systèmes artisanaux peu efficaces et très contraignant par leur mise en place. 5 Sur les plus grandes unités, il existe d'autres solutions émises par certains industriels qui nécessitent des moyens importants et surtout une alimentation électrique obligatoire fournie la plupart du temps par des groupes électrogènes. Il s'agit de stabilisateurs gyroscopiques où d'ailerons fixés sous la coque qui pivotent par un mécanisme hydraulique pour contre 10 balancer le bateau au mouvement opposé de sa gîte. Le premier système très couteux présente le défaut de devoir attendre au moins 40 minutes pour être efficace. Le deuxième possède des appendices importants sous la coque qui diminuent les performances de l'embarcation. L'invention s'adresse à toutes les tailles de bateau sans avoir aucune incidence sur ses 15 performances et elle n'a pas besoin du fonctionnement continuel d'un groupe électrogène. Simple à installer et très économique, elle s'adapte parfaitement sur des anciens où des nouveaux bateaux à partir d'une longueur minimale de 3 mètres. Pour être efficaces, la largeur et la profondeur de ces ailerons seront calculés en fonction du poids, la longueur et 20 la hauteur du bateau. Fixés dans un rangement qui pourra être vissé ou/et collé sur les flancs de la coque, ils seront capables de pivoter librement sur un axe à condition d'être libérés manuellement de leur système de maintien placé sur la partie supérieure. Pour se confondre avec la forme du bateau et ne pas nuire à son esthétique, ces ailerons seront cachés dans un 25 boîtier spécialement conçu à cet effet. Celui-ci sera fixé juste au dessus du bouchain sur la paroi verticale de la coque. La partie avant du coffre devra être très fine et fortement inclinée pour que l'eau puisse glisser facilement.DESCRIPTION OF THE INVENTION The present invention makes it possible to increase the stability of a boat at anchor with a simple, efficient and economical mechanism. To date, to improve the stability of a boat less than 15 meters, there are only artisanal systems that are not very effective and very restrictive by their implementation. 5 On larger units, there are other solutions issued by some manufacturers that require significant resources and especially a mandatory power supply supplied mostly by generators. These are gyroscopic stabilizers or fins fixed under the hull that pivot by a hydraulic mechanism to counterbalance the boat to the opposite movement of his house. The first very expensive system has the defect of having to wait at least 40 minutes to be effective. The second has important appendages under the hull that reduce the performance of the boat. The invention is directed to all boat sizes without having any impact on its performance and does not require the continuous operation of a generator. Simple to install and very economical, it fits perfectly on old or new boats from a minimum length of 3 meters. To be effective, the width and depth of these fins will be calculated according to the weight, length and height of the boat. Fixed in a storage that can be screwed or / and glued to the sides of the shell, they will be able to rotate freely on an axis provided they are manually released from their holding system placed on the upper part. To be confused with the shape of the boat and not detract from its aesthetics, these fins will be hidden in a box specially designed for this purpose. This one will be fixed just above the chime on the vertical wall of the hull. The front part of the trunk should be very thin and strongly inclined so that the water can slide easily.

Le mouvement rotatif de l'aileron pourra éventuellement être motorisé. Dans le cas contraire, il se relèvera automatiquement sous la poussée de 30 l'eau contre une petite partie plane installée sur la partie immergée. Une fois rabattu, l'aileron disparaitra totalement dans son rangement. Ce dispositif peut être éventuellement installé dans la partie intérieure de la coque. Le dessin annexé illustre parfaitement l'invention. (1) Aileron pivotant sur 90°. (2) Axe de rotation. (3) cache protecteur. Pour éviter toute oxydation, 35 l'ensemble des pièces sera en plastique où en matière composites. Les axes et système de fermeture seront de la même matière où en inox. Le boîtier sera fixé sur la coque soit à l'aide de boulons et écrous où bien lorsqu'il n'y a pas d'accès à l'intérieur de la coque, avec l'aide d'une colle spécifique très résistante en milieu humide. Plus le boîtier sera mince et plus sa pénétration 40 dans l'eau sera facile. Il faut que l'aileron soit aussi le plus rigide possible pour assurer un résultat optimal. L'invention comporte trois parties : la première fixée contre la coque par des vis ou par une colle spécifique représente la partie interne du boitier sur laquelle s'articule l'aileron. Celui-ci qui représente la deuxième partie pivotera autour d'un axe suffisamment large 45 pour que l'ensemble soit parfaitement rigide lors de l'immersion. En position relevé, l'aileron sera maintenu grâce à un système de fixation installé sur la partie supérieure. Le capot formant la troisième partie viendra plaquer le tout pour que l'aileron puisse parfaitement pivoter. Lorsque le bateau commence à avancer, l'aileron se relèvera automatiquement sous la poussée de 50 l'eau grâce à une partie plane fixée perpendiculairement. Ce dispositif s'adresse à tous types de bateaux quels que soient leur longueur qu'ils soient neufs où d'occasion. La taille du boitier et des ailerons seront calculés en fonction du poids, longueur et hauteur du bateau.The rotary movement of the fin may optionally be motorized. Otherwise, it will rise automatically under the pressure of the water against a small flat portion installed on the immersed part. Once folded, the flap will disappear completely in its storage. This device can be optionally installed in the inner part of the hull. The appended drawing perfectly illustrates the invention. (1) Swivel wing on 90 °. (2) Axis of rotation. (3) protective cover. To prevent oxidation, all the parts will be plastic or composite materials. The axes and closing system will be of the same material or stainless steel. The case will be fixed on the hull either with bolts and nuts where well when there is no access to the inside of the hull, with the help of a specific glue very resistant in the middle wet. The thinner the case is, the easier it will be to penetrate the water. The fin must also be as rigid as possible to ensure optimal results. The invention comprises three parts: the first fixed against the shell by screws or by a specific glue represents the inner part of the housing on which the aileron is articulated. The latter which represents the second part will pivot about a sufficiently wide axis 45 so that the whole is perfectly rigid during immersion. In the raised position, the fin will be maintained thanks to a fixing system installed on the upper part. The hood forming the third part will flatten the whole so that the fin can rotate perfectly. When the boat starts to advance, the flap will automatically rise under the pressure of 50 water through a flat portion perpendicularly fixed. This device is for all types of boats regardless of their length whether they are new or used. The size of the case and the fins will be calculated according to the weight, length and height of the boat.

FR1400591A 2014-03-12 2014-03-12 INCREASE IN THE STABILITY OF A BOAT AT ANCHORING WITH A SYSTEM OF FINS FIXED ON THE FLANKS OF THE HULL AND WHICH MOVE UNDER THE LINE OF FLOTATION Pending FR3018498A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1400591A FR3018498A1 (en) 2014-03-12 2014-03-12 INCREASE IN THE STABILITY OF A BOAT AT ANCHORING WITH A SYSTEM OF FINS FIXED ON THE FLANKS OF THE HULL AND WHICH MOVE UNDER THE LINE OF FLOTATION

Applications Claiming Priority (1)

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FR1400591A FR3018498A1 (en) 2014-03-12 2014-03-12 INCREASE IN THE STABILITY OF A BOAT AT ANCHORING WITH A SYSTEM OF FINS FIXED ON THE FLANKS OF THE HULL AND WHICH MOVE UNDER THE LINE OF FLOTATION

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FR3018498A1 true FR3018498A1 (en) 2015-09-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2215345A1 (en) * 1973-01-26 1974-08-23 Solik Henryk
DE2357046A1 (en) * 1973-11-15 1975-05-22 Burmester Hans Peter Dipl Ing Twin centre boards for sailing dinghy - are inclined towards mast to provide optimum grip when vessel leans over
FR2626240A1 (en) * 1988-01-22 1989-07-28 Prunier Jean Sail boats of the drop keel type including two lateral drop keel wells and two inclined raisable drop keels
FR2627450A1 (en) * 1988-02-22 1989-08-25 Galbert Albert De Adjustable fin and centre-board for sailing craft - has pivots at upper ends of board, which can be operated independently and have aerofoil section at lower ends
FR2698606A1 (en) * 1992-11-30 1994-06-03 Beneteau Chantiers Yacht with twin aerodynamic section drop keels - has keels retractable by power to form twin bilge keels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2215345A1 (en) * 1973-01-26 1974-08-23 Solik Henryk
DE2357046A1 (en) * 1973-11-15 1975-05-22 Burmester Hans Peter Dipl Ing Twin centre boards for sailing dinghy - are inclined towards mast to provide optimum grip when vessel leans over
FR2626240A1 (en) * 1988-01-22 1989-07-28 Prunier Jean Sail boats of the drop keel type including two lateral drop keel wells and two inclined raisable drop keels
FR2627450A1 (en) * 1988-02-22 1989-08-25 Galbert Albert De Adjustable fin and centre-board for sailing craft - has pivots at upper ends of board, which can be operated independently and have aerofoil section at lower ends
FR2698606A1 (en) * 1992-11-30 1994-06-03 Beneteau Chantiers Yacht with twin aerodynamic section drop keels - has keels retractable by power to form twin bilge keels

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