WO1994006674A1 - Boat hull with external longitudinal stiffening elements - Google Patents

Boat hull with external longitudinal stiffening elements Download PDF

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Publication number
WO1994006674A1
WO1994006674A1 PCT/FR1993/000895 FR9300895W WO9406674A1 WO 1994006674 A1 WO1994006674 A1 WO 1994006674A1 FR 9300895 W FR9300895 W FR 9300895W WO 9406674 A1 WO9406674 A1 WO 9406674A1
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WO
WIPO (PCT)
Prior art keywords
hull
stiffening elements
longitudinal
longitudinal stiffening
shell
Prior art date
Application number
PCT/FR1993/000895
Other languages
French (fr)
Inventor
Gérard RONZATTI
Original Assignee
Etinter
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 Etinter filed Critical Etinter
Publication of WO1994006674A1 publication Critical patent/WO1994006674A1/en

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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 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/16—Shells
    • B63B3/18—Shells characterised by being formed predominantly of parts that may be developed into plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/20—Use of propulsion power plant or units on vessels the vessels being powered by combinations of different types of propulsion units

Definitions

  • the invention relates to a boat hull of the type comprising stiffening elements of the hull in the longitudinal direction thereof.
  • This boat hull structure has multiple drawbacks.
  • the arrangement of the stiffening elements inside the shell reduces the available useful space and requires the installation of an additional floor.
  • the present invention aims to provide a boat hull which does not have the drawbacks of known hulls.
  • a boat hull according to the invention is characterized in that the longitudinal stiffening elements are formed by profiles made of a rigid material, in particular metal, such as steel, which are fixed on at least part of the surface external of the shell. which must be reinforced in its longitudinal direction.
  • the longitudinal stiffening elements are formed by U-shaped profiles.
  • the longitudinal stiffening elements constitute anti-drift means, such as keel or fin effect means.
  • the longitudinal stiffening elements when they form in the fixed state on the external face of the shell of the channels with closed cross section, are part of a cooling system traversed by a coolant and are connected to conductive elements of the coolant placed inside the shell, by conductive elements passing through the wall of the shell.
  • the longitudinal stiffening elements constitute means of protection against mooring shocks or collisions with floating objects.
  • FIG. 2 is a schematic cross-sectional view of a boat hull, of the type shown in Figure 1;
  • - Figure 3 is a schematic perspective view, similar to the figure
  • FIG. 4 is a bottom view of the boat hull according to Figure 3;
  • FIG. 5 is a cross-sectional view of a boat hull according to the present invention.
  • FIG. 6 illustrates the application of the invention to a more sophisticated form of boat hull.
  • FIG. 1 schematically shows a hull 1 of a boat, of the specific type of the state of the art, which carries, on its internal face, stiffening elements 2 which extend transversely, that is to say pe ⁇ endicular to the longitudinal axis of the hull, and longitudinal stiffening elements 3 of the hull, which intersect pe ⁇ endicularly the transverse elements 2.
  • FIG 3 is a perspective view of a boat hull which has the same shape as the hull of Figure 1 but is provided with a stiffening device according to the present invention.
  • This device is characterized by the fact that the longitudinal stiffening elements are formed by profiles, advantageously made of steel which are fixed to the external face of the hull. These external longitudinal stiffening elements are marked with the reference 6.
  • These longitudinal stiffening elements are constituted by U-shaped profiles, made of steel, which are welded along the edge of the two wings of the profile on the external surface of the hull, then consisting of assembled sheets.
  • these sections extend in the longitudinal direction of the shell and are applied to the bottom and the side walls of the shell, at least on the parts thereof which must be reinforced in the longitudinal direction.
  • the U-shaped sections made of steel, a few centimeters wide, welded according to the invention on all or part of the outer surface of the boat hull, whatever its shape, have a large number of advantages. Indeed, these U-shaped elements alone fulfill several functions. This multifunctionality of the profiles sometimes allows the elimination of a certain number of devices currently necessary on a traditional boat which they replace without inconvenience, sometimes constitute real improvements compared to conventional devices whose functions they fulfill. In any case, the use of these profiles ensures a reduction in the construction cost of the boats and increases the available volume.
  • the external U-shaped profiles fulfill the function of additional means of protection against mooring shocks or resulting from collision with floating objects. In the case of boats of traditional structure, this function is accomplished by additional specific means such as those represented at 8 in FIG. 2.
  • the U-shaped profiles can constitute conductive elements of a cooling agent and be inco ⁇ orated to the cooling device of the boat.
  • the U-shaped profiles when welded to the external face of the shell form therewith channels which are connected together and / or to conductive elements of the cooling agent , provided inside the boat, by jumper conductors 12 which pass through the hull.
  • Independent cooling circuits are then obtained which can serve as many installations as necessary in the boat without the layout constraints presented by conventional systems, indicated diagrammatically at 13 in FIGS. 1 and 2.
  • the hull can be considered on its entire surface as a heat exchanger.
  • FIG. 6 shows that the invention can also be applied to hulls having a more complex and hydrodynamic shape.
  • the shell is formed by assembling planar wall elements, it is obvious that the shell can have any other shape and have curvatures.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

A boat hull of the type comprising longitudinal hull stiffening elements is characterized in that said longitudinal stiffening elements consists of sections (6) of a rigid material, particularly metal, such as steel, attached to at least that part of the outer surface of the hull to be reinforced longitudinally. Application in boat building.

Description

COQUE DE BATEAU AVEC DES ELEMENTS RAIDISSEURS LONGITUDINAOX EXTERNESBOAT HULL WITH EXTERNAL LONGITUDINAOX STIFFENERS
L'invention concerne une coque de bateau du type comprenant des éléments raidisseurs de la coque dans la direction longitudinale de celle-ci.The invention relates to a boat hull of the type comprising stiffening elements of the hull in the longitudinal direction thereof.
On connaît déjà des coques de bateau de ce type, dont l'ensemble des éléments raidisseurs. transversaux et longitudinaux, sont fixés sur la surface interne de la coque.Boat hulls of this type are already known, including all of the stiffening elements. transverse and longitudinal, are fixed on the internal surface of the hull.
Cette structure de coque de bateau présente de multiples inconvénients. Ainsi on constate notamment que la disposition des éléments raidisseurs à l'intérieur de la coque réduit l'espace utile disponible et nécessite la mise en place d'un plancher supplémentaire. La présente invention a pour but de proposer une coque de bateau qui ne présente pas les inconvénients des coques connues.This boat hull structure has multiple drawbacks. Thus it is noted in particular that the arrangement of the stiffening elements inside the shell reduces the available useful space and requires the installation of an additional floor. The present invention aims to provide a boat hull which does not have the drawbacks of known hulls.
Pour atteindre ce but. une coque de bateau selon l'invention est caractérisée en ce que les éléments de raidissement longitudinaux sont formés par des profilés en un matériau rigide, notamment en métal, tel que de l'acier, qui sont fixés sur au moins la partie de la surface externe de la coquε. qui doit être renforcée dans sa direction longitudinale.To reach this goal. a boat hull according to the invention is characterized in that the longitudinal stiffening elements are formed by profiles made of a rigid material, in particular metal, such as steel, which are fixed on at least part of the surface external of the shell. which must be reinforced in its longitudinal direction.
Selon une caractéristique avantageuse de l'invention, les éléments de raidissement longitudinaux sont formés par des profilés en U.According to an advantageous characteristic of the invention, the longitudinal stiffening elements are formed by U-shaped profiles.
Selon encore une autre caractéristique avantageuse de l'invention, les éléments de raidissement longitudinaux constituent des moyens anti-dérive, tels que des moyens à effet de quille ou aileron.According to yet another advantageous characteristic of the invention, the longitudinal stiffening elements constitute anti-drift means, such as keel or fin effect means.
Selon encore une autre caractéristique avantageuse de l'invention, les éléments de raidissement longitudinaux, lorsqu'ils forment à l'état fixé sur la face externe de la coque des canaux à section transversale fermée, font partie d'un système de refroidissement parcouru par un agent de refroidissement et sont reliés à des éléments conducteurs de l'agent de refroidissement placés à l'intérieur de la coque, par des éléments conducteurs traversant la paroi de la coque.According to yet another advantageous characteristic of the invention, the longitudinal stiffening elements, when they form in the fixed state on the external face of the shell of the channels with closed cross section, are part of a cooling system traversed by a coolant and are connected to conductive elements of the coolant placed inside the shell, by conductive elements passing through the wall of the shell.
Selon encore une autre caractéristique avantageuse de l'invention, les éléments de raidissement longitudinaux constituent des moyens de protection contre des chocs d'amarrage ou de collisions avec des objets flottants.According to yet another advantageous characteristic of the invention, the longitudinal stiffening elements constitute means of protection against mooring shocks or collisions with floating objects.
L'invention sera mieux comprise et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement au cours de la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels :The invention will be better understood and other objects, characteristics, details and advantages thereof will appear more clearly during the explanatory description which follows, made with reference to the appended schematic drawings given solely by way of example illustrating a mode of the invention and in which:
iT :" ; - la figure 1 est une vue en perspective, schématique d'une coque de bateau qui est typique de l'état de la technique ;iT: "; - Figure 1 is a schematic perspective view of a boat hull which is typical of the state of the art;
- la figure 2 est une vue en coupe transversale schématique d'une coque de bateau, du type représenté à la figure 1 ; - la figure 3 est une vue en perspective schématique, similaire à la figure- Figure 2 is a schematic cross-sectional view of a boat hull, of the type shown in Figure 1; - Figure 3 is a schematic perspective view, similar to the figure
1, mais d'une coque de bateau selon la présente invention ;1, but of a boat hull according to the present invention;
- la figure 4 est une vue de dessous de la coque de bateau selon la figure 3 ;- Figure 4 is a bottom view of the boat hull according to Figure 3;
- la figure 5 est une vue en coupe transversale d'une coque de bateau selon la présente invention ; et- Figure 5 is a cross-sectional view of a boat hull according to the present invention; and
- la figure 6 illustre l'application de l'invention à une forme de coque de bateau plus sophistiquée.- Figure 6 illustrates the application of the invention to a more sophisticated form of boat hull.
La figure 1 montre schématiquement une coque 1 d'un bateau, du type spécifique de l'état de la technique, qui porte, sur sa face interne des éléments raidisseurs 2 qui s'étendent transversalement, c'est-à-dire peφendiculairement à l'axe longitudinal de la coque, et des éléments de raidissement longitudinaux 3 de la coque, qui croisent peφendiculairement les éléments transversaux 2.FIG. 1 schematically shows a hull 1 of a boat, of the specific type of the state of the art, which carries, on its internal face, stiffening elements 2 which extend transversely, that is to say peφendicular to the longitudinal axis of the hull, and longitudinal stiffening elements 3 of the hull, which intersect peφendicularly the transverse elements 2.
Comme il ressort plus clairement de la figure 2, ces éléments de raidissement transversaux et longitudinaux 2, 3 nécessitent la mise en place d'un plancher supplémentaire 4.As can be seen more clearly from FIG. 2, these transverse and longitudinal stiffening elements 2, 3 require the installation of an additional floor 4.
La figure 3 est une vue en perspective d'une coque de bateau qui présente la même forme que la coque de la figure 1 mais est pourvue d'un dispositif de raidissement conforme à la présente invention. Ce dispositif se caractérise par le fait que les éléments de raidissement longitudinaux sont formés par des profilés, avantageusement en acier qui sont fixés sur la face externe de la coque. Ces éléments de raidissement longitudinaux externes portent la référence 6. Ces éléments de raidissement longitudinaux sont constitués par des profilés en U, en acier, qui sont soudés le long du bord des deux ailes du profilé sur la surface extérieure de la coque se composant alors des tôles assemblées.Figure 3 is a perspective view of a boat hull which has the same shape as the hull of Figure 1 but is provided with a stiffening device according to the present invention. This device is characterized by the fact that the longitudinal stiffening elements are formed by profiles, advantageously made of steel which are fixed to the external face of the hull. These external longitudinal stiffening elements are marked with the reference 6. These longitudinal stiffening elements are constituted by U-shaped profiles, made of steel, which are welded along the edge of the two wings of the profile on the external surface of the hull, then consisting of assembled sheets.
Comme le montrent les figures 3 à 5, ces profilés s'étendent dans le sens longitudinal de la coque et sont appliqués sur le fond et les parois latérales de la coque, au moins sur les parties de celle-ci qui doivent être renforcées dans le sens longitudinal. Les profilés en U, réalisés en acier, d'une largeur de quelques centimètres, soudés selon l'invention sur tout ou partie de la surface extérieure de la coque du bateau, quelle que soit la forme de celle-ci, présentent un grand nombre d'avantages. En effet, ces éléments en U remplissent à eux seuls plusieurs fonctions. Cette multifonctionnalité des profilés tantôt permet la suppression d'un certain nombre de dispositifs actuellement nécessaires sur un bateau traditionnel auxquels ils se substituent sans inconvénient, tantôt constituent de véritables améliorations par rapport à des dispositifs classiques dont ils remplissent les fonctions. De toute manière, l'utilisation de ces profilés assure une réduction du coût de construction des bateaux et augmentent le volume disponible.As shown in Figures 3 to 5, these sections extend in the longitudinal direction of the shell and are applied to the bottom and the side walls of the shell, at least on the parts thereof which must be reinforced in the longitudinal direction. The U-shaped sections, made of steel, a few centimeters wide, welded according to the invention on all or part of the outer surface of the boat hull, whatever its shape, have a large number of advantages. Indeed, these U-shaped elements alone fulfill several functions. This multifunctionality of the profiles sometimes allows the elimination of a certain number of devices currently necessary on a traditional boat which they replace without inconvenience, sometimes constitute real improvements compared to conventional devices whose functions they fulfill. In any case, the use of these profiles ensures a reduction in the construction cost of the boats and increases the available volume.
On constate encore que les profilés en U extérieurs remplissent la fonction de moyen de protection supplémentaire contre les chocs d'amarrage ou résultant de collision avec des objets flottants. Dans le cas des bateaux de structure traditionnelle, cette fonction est accomplie par des moyens spécifiques supplémentaires tels que ceux représentés en 8 sur la figure 2.It can also be seen that the external U-shaped profiles fulfill the function of additional means of protection against mooring shocks or resulting from collision with floating objects. In the case of boats of traditional structure, this function is accomplished by additional specific means such as those represented at 8 in FIG. 2.
Ces éléments en U en raison de leur disposition longitudinale sur la face externe limite la dérive du bateau et permettent ainsi de supprimer des dispositifs anti-dérives spécifiques, tels que des quilles ou ailerons représentés en 9 et 10 sur la figure 2.These U-shaped elements due to their longitudinal arrangement on the external face limit the drift of the boat and thus make it possible to remove specific anti-drift devices, such as keels or fins represented at 9 and 10 in FIG. 2.
Un autre avantage important réside dans le fait que les profilés en U peuvent constituer des éléments conducteurs d'un agent de refroidissement et être incoφorés au dispositif de refroidissement du bateau. En effet, les profilés en forme d'un U lorsqu'ils sont soudés sur la face externe de la coque forment avec celle-ci des canaux que l'on raccorde entre eux et/ou à des éléments conducteurs de l'agent de refroidissement, prévus à l'intérieur du bateau, par des conducteurs de pontage 12 qui traversent la coque. On obtient alors des circuits indépendants de refroidissement qui peuvent desservir autant d'installations que nécessaires dans le bateau sans les contraintes d'implantation que présentent les systèmes classiques, indiqués schématiquement en 13 sur les figures 1 et 2. Ainsi la coque peut être considérée sur toute sa surface comme un échangeur thermique.Another important advantage lies in the fact that the U-shaped profiles can constitute conductive elements of a cooling agent and be incoφorated to the cooling device of the boat. Indeed, the U-shaped profiles when welded to the external face of the shell form therewith channels which are connected together and / or to conductive elements of the cooling agent , provided inside the boat, by jumper conductors 12 which pass through the hull. Independent cooling circuits are then obtained which can serve as many installations as necessary in the boat without the layout constraints presented by conventional systems, indicated diagrammatically at 13 in FIGS. 1 and 2. Thus the hull can be considered on its entire surface as a heat exchanger.
La figure 6 montre que l'invention peut être appliquée aussi à des coques présentant une forme plus complexe et hydrodynamique. Bien que dans le cas de la figure 6 la coque est constituée par assemblage d'éléments de paroi plane, il est évident que la coque peut avoir toute autre forme et présenter des incurvations. FIG. 6 shows that the invention can also be applied to hulls having a more complex and hydrodynamic shape. Although in the case of Figure 6 the shell is formed by assembling planar wall elements, it is obvious that the shell can have any other shape and have curvatures.

Claims

REVENDICATIONS
1. Coque de bateau du type comprenant des éléments raidisseurs de la coque dans la direction longitudinale de celle-ci et, le cas échéant, dans la direction transversale, les éléments raidisseurs transversaux étant fixés sur la surface interne de la coque, caractérisé en ce que les éléments de raidissement longitudinaux sont formés par des profilés (6) en un matériau rigide, notamment en métal, tel que de l'acier, qui sont fixés sur au moins la partie de la surface externe de la coque qui doit être renforcée dans la direction longitudinale, l'espace interne de la coque étant libre d'éléments raidisseurs longitudinaux au moins dans cette partie. 1. Boat hull of the type comprising stiffening elements of the hull in the longitudinal direction thereof and, where appropriate, in the transverse direction, the transverse stiffening elements being fixed on the internal surface of the hull, characterized in that that the longitudinal stiffening elements are formed by profiles (6) made of a rigid material, in particular metal, such as steel, which are fixed to at least the part of the external surface of the shell which must be reinforced in the longitudinal direction, the internal space of the shell being free of longitudinal stiffening elements at least in this part.
2. Coque selon la revendication 1, caractérisée en ce que les éléments de raidissement longitudinaux (6) sont formés par des profilés en U.2. Hull according to claim 1, characterized in that the longitudinal stiffening elements (6) are formed by U-shaped profiles.
3. Coque selon l'une des revendications 1 ou 2, caractérisée en ce que les éléments de raidissement longitudinaux (6) constituent des moyens anti-dérive, tels que des moyens à effet de quille ou aileron. 3. Hull according to one of claims 1 or 2, characterized in that the longitudinal stiffening elements (6) constitute anti-drift means, such as keel or fin effect means.
4. Coque de bateau selon l'une des revendications précédentes, caractérisée en ce que les éléments de raidissement longitudinaux (6), lorsqu'ils forment à l'état fixé sur la surface externe de la coque des canaux à section transversale fermée font partie d'un système de refroidissement parcouru par un agent de refroidissement et sont reliés entre eux et/ou à des éléments conducteurs de cet agent, placés à l'intérieur de la coque, par des éléments conducteurs (12) traversant la paroi de la coque.4. Hull of boat according to one of the preceding claims, characterized in that the longitudinal stiffening elements (6), when they form in the fixed state on the external surface of the hull of the channels with closed cross section are part of a cooling system traversed by a cooling agent and are connected to each other and / or to conductive elements of this agent, placed inside the shell, by conductive elements (12) passing through the wall of the shell .
5. Coque de bateau selon l'une des revendications précédentes, caractérisée en ce que les éléments de raidissement longitudinaux (6) constituent des moyens de protection contre des chocs d'amarrage ou de collision avec des objets flottants. 5. Hull of boat according to one of the preceding claims, characterized in that the longitudinal stiffening elements (6) constitute means of protection against mooring shocks or collision with floating objects.
PCT/FR1993/000895 1992-09-16 1993-09-16 Boat hull with external longitudinal stiffening elements WO1994006674A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9211049A FR2695618B1 (en) 1992-09-16 1992-09-16 Boat hull of the type comprising longitudinal stiffening elements.
FR92/11049 1992-09-16

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WO1994006674A1 true WO1994006674A1 (en) 1994-03-31

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WO (1) WO1994006674A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254656A (en) * 2019-06-26 2019-09-20 武汉理工大学 Shipping anti-collision system and method based on passive energy-absorbing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH172935A (en) * 1933-12-20 1934-10-31 Wangler Albert Sport and utility boat.
US3332386A (en) * 1965-10-28 1967-07-25 Technigaz Tanker
US3841396A (en) * 1973-06-12 1974-10-15 T Knaebel Finned heat exchanger and system
US4214332A (en) * 1978-04-24 1980-07-29 Ares, Inc. Method of constructing welded metal skin boat hulls and hulls made thereby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH172935A (en) * 1933-12-20 1934-10-31 Wangler Albert Sport and utility boat.
US3332386A (en) * 1965-10-28 1967-07-25 Technigaz Tanker
US3841396A (en) * 1973-06-12 1974-10-15 T Knaebel Finned heat exchanger and system
US4214332A (en) * 1978-04-24 1980-07-29 Ares, Inc. Method of constructing welded metal skin boat hulls and hulls made thereby

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Low cost internal spray-on LPG insulation", SHIPBUILDING AND SHIPPING RECORD, vol. 118, no. 9, 27 August 1971 (1971-08-27), LONDON GB, pages 25 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254656A (en) * 2019-06-26 2019-09-20 武汉理工大学 Shipping anti-collision system and method based on passive energy-absorbing

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FR2695618A1 (en) 1994-03-18

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