EP3442855B1 - Coque de catamaran a structure hybride et embarcation utilisant une telle coque - Google Patents

Coque de catamaran a structure hybride et embarcation utilisant une telle coque Download PDF

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Publication number
EP3442855B1
EP3442855B1 EP17717390.3A EP17717390A EP3442855B1 EP 3442855 B1 EP3442855 B1 EP 3442855B1 EP 17717390 A EP17717390 A EP 17717390A EP 3442855 B1 EP3442855 B1 EP 3442855B1
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EP
European Patent Office
Prior art keywords
hull
partition
float
lateral
bulkhead
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.)
Active
Application number
EP17717390.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3442855A1 (fr
Inventor
Laurent DA ROLD
Jean DELAUNE
Jean-Marc SALPETRIER
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.)
Kayflo Developpement
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Kayflo Developpement
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Publication date
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Publication of EP3442855A1 publication Critical patent/EP3442855A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
    • 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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • 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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • 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
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/121—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls
    • B63B2001/123—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising two hulls interconnected by a plurality of beams, or the like members only

Definitions

  • the technical field of the invention is that of boat hulls.
  • the present invention relates to a catamaran hull and in particular a catamaran hull with a hybrid structure.
  • a boat hull located on a body of water is subject to several forces which can give rise to significant stresses.
  • the weight of the ship and the buoyancy balance and the constraints imposed on the hull are generally low.
  • Archimedes' thrust is unevenly distributed and the ship then takes an arc or a counter-arc depending on the configuration.
  • a catamaran hull is made up of two floats connected by a platform.
  • the forces exerted by the water on the two floats can be asymmetrical and cause great stresses.
  • support structures commonly called beams, connecting the two floats forming the hull of the catamaran.
  • these beams take the form of partitions having an inverted U-shaped profile, each branch of the inverted U coming to be housed in one of the hull floats.
  • CA1265174 discloses a catamaran with interior partitions.
  • the invention offers a solution to the problems mentioned above, by proposing a catamaran hull with a hybrid structure comprising beams each consisting of a partition, said partitions defining one or more monoblock hull parts.
  • a hybrid structure comprising beams each consisting of a partition, said partitions defining one or more monoblock hull parts.
  • substantially perpendicular is meant that the angle between the bow-stern axis and the plane containing the first partition or the second partition is equal to 90 ° plus or minus 20 °.
  • the term “monobloc hull part” means a part of the hull comprising the central float, a part of the first lateral float and a part of the second lateral float, the assembly forming a hull part made in one piece.
  • the volume of the monobloc part is defined by the first partition, the second partition as well as the external lateral walls opposite the central float of the first lateral float and of the second lateral float.
  • Beam here means an element contributing to the mechanical strength of the hull.
  • the first beam and the second beam are in the form of a first partition and a second partition.
  • first partition is therefore equivalent to the term first beam
  • second partition is therefore equivalent to the term second beam. It is therefore understood that the first partition and the second partition contribute to the mechanical strength of the hull and should therefore not be considered as simple partitions having only a role of separation between two spaces.
  • the first partition and the second partition make it possible to obtain a monobloc part which has volumes similar to a monohull; the parts of the hull outside this monobloc part having a catamaran profile.
  • the hull can therefore be described as a catamaran hull with a hybrid structure. This structure gives the whole great stability and a large living space.
  • the invention also relates to a boat comprising a hull according to the invention.
  • the shell according to one aspect of the invention may have one or more complementary characteristics among the following, considered individually or according to all the technically possible combinations.
  • the first partition and / or the second partition have an opening.
  • the first partition and / or the second partition have a plurality of openings.
  • outside light can enter the space between the first partition and the second partition which limits the use of artificial lighting. This also ensures natural ventilation of the same space.
  • the one-piece hull part comprises a bottom part defining a hull bottom of the one-piece hull part; said hull bottom being completely submerged.
  • the volume of the hull part defined between the first partition and the second partition is maximized.
  • the one-piece hull part has a bottom part defining a hull bottom of the one-piece hull part; said hull bottom being partially submerged.
  • the hull comprises a plurality of central floats, a plurality of first beams each first beam being constituted by a first partition, a plurality of second beams each second beam being constituted by a second partition, the central part of each partition comprising an element lower intended to cooperate with a lower part of a central float of the plurality of central floats; each shell part arranged between a first partition and a second partition defining a one-piece shell part so as to form a plurality of one-piece shell parts.
  • the plurality of first beams corresponds to a plurality of first partitions.
  • the plurality of second beams corresponds to a plurality of second partitions.
  • Each hull part arranged between a first partition of the plurality of first partitions and a second partition of the plurality of second partitions defines a one-piece hull part.
  • the plurality of first partitions and the plurality of second partitions thus form a plurality of one-piece shell parts.
  • each partition of the plurality of first partitions or of the plurality of second partitions comprises a central part comprising a lower element intended to cooperate with a lower part of a central float of the plurality of central floats.
  • each first partition of the plurality of first partitions is associated with a second partition of the plurality of second partitions and with a central float of the plurality of central floats to form a one-piece hull part. It is therefore possible to provide a plurality of monohull type volumes within the shell according to the invention.
  • a fourth beam is arranged horizontally at the rear part of the hull so as to be positioned between the first lateral float and the second lateral float, said fourth beam comprising a first end joining the fourth beam to the first lateral float and a second end joining the fourth beam to the second lateral float.
  • this fourth beam located outside the floats, reinforces the rigidity of the hull on the catamaran part of the hull while allowing the development of a wide aft deck on an upper surface of the fourth beam, the fourth beam being arranged horizontally.
  • a rear deck in particular facilitates access to the sea or to the land.
  • the term "arranged horizontally” means that the fourth beam defines a first plane, said first plane being parallel to the water plane.
  • water plane means the plane passing through the water line.
  • the first partition 1 and the second partition 2 make it possible to obtain a one-piece part 7 of the shell 5 which has a profile similar to a monohull.
  • the hull 5 can be described as hybrid since the one-piece hull part 7 of the hull 5 has a monohull profile while the one or more hull parts not included in the one-piece part 7 have a catamaran profile.
  • each partition 1, 2 has a height H and a width L.
  • the dimensions of the first partition may be different from the dimensions of the second partition. Alternatively, these dimensions can be identical.
  • the first lateral part has a width L G and a height H G
  • the central part has a width L C and a height H C while the second lateral part has a width L D and a height H D.
  • first partition 1 and the second partition 2 are substantially rectangular.
  • the surface of each partition of width L and height H is equal, more or less 20%, to the surface of a rectangle of width L and height H.
  • the volume obtained between the first partition 1 and the second partition 2 then has a substantially parallelepiped shape which makes it possible to facilitate the interior arrangement of said volume.
  • the first partition 1 has an opening 4. This opening 4 allows the outside light to penetrate into at least part of the volume defined between the first partition 1 and the second partition 2. It also allows natural ventilation of this same volume.
  • the arrangement of an opening 4 in the first partition 1 only slightly reduces the mechanical resistance of this first partition 1. It is also possible to provide a plurality of openings 4 on the same partition. In the drawings, only the first partition 1 has an opening 4. However, it is possible to provide an opening 4 or a plurality of openings 4 in the second partition 2 or alternatively a first opening or a first plurality of openings in the first partition 1 as well as a second opening or a second plurality of second openings in the second partition 2.
  • the first partition 1 and the second partition 2 are positioned so that the one-piece hull part 7 is located at the front of the hull 5.
  • the hybrid catamaran hull 5 has a monohull profile at the front of the hull 5 and a catamaran profile at the rear of the hull 5.
  • the first partition 1 and the second partition 2 are positioned so that the one-piece hull part 7 is located at the rear of the hull 5.
  • the hull 5 of the hybrid catamaran has a profile monohull at the rear of hull 5 and a catamaran profile at the front of hull 5.
  • a third beam 3 mechanically reinforces the rear part of the shell 5. Indeed, when one wishes to have the one-piece part 7 of the shell 5 so as to obtain a large volume at the front of the shell 5, the first partition 1 and the second partition 2 are then both placed at the front of the shell 5. This can lead to weakness at the rear of the shell 5 in which no beam is present.
  • the addition of a third beam 3 makes it possible to reinforce the rear of the hull 5 while retaining a hybrid structure, the hull part 5 located between the second partition 2 and the third beam 3 having the profile of a hull of catamaran.
  • the third beam 3 therefore has a shape similar to a beam used in the catamaran hulls according to the state of the prior art.
  • a fourth beam 8 is arranged horizontally at the rear part of the shell 5 so as to be positioned between the first lateral float D and the second lateral float G, said fourth beam comprising a first end joining the fourth beam to the first lateral float D and a second end joining the fourth beam to the second lateral float G.
  • the fourth beam 8 is in the form of a central parallelepiped part, a first end part and a second end part, said end parts forming an angle with the central part. , the central part being located in a plane parallel to the waterline. The central part, the first end part and the second end part constituting a single mechanical part.
  • the first end joining the first lateral float D is one end of the first end part and the second end joining the second lateral float G is one end of the second end part.
  • the distance separating the fourth beam 8 from the stern is less than or equal to 1m.
  • the width of the beam 8 is between 0.5m and 2.5m.
  • the distance separating the fourth beam from the water plane is between 10cm and 70cm.
  • a plurality of third beams 3 is provided.
  • This plurality of third beams 3 reinforces the catamaran part of the hull 5 of a catamaran with a hybrid structure.
  • This embodiment is particularly advantageous when the catamaran part of the hull 5 of a catamaran with a hybrid structure is too long for a single third beam 3 to be sufficient to stiffen said catamaran part.
  • a third beam of the plurality of third beams 3 is arranged at the rear of the shell 5 so as to form the rear end of said shell 5, said third beam comprising a flattened upper part forming a connection between the first lateral float D and the second lateral float G.
  • said third beam constitutes the transom of the first lateral float D and of the second lateral float G so as to form a rear shelf over the entire width of the hull 5, at said third beam.
  • Such a rear deck in particular facilitates access to the sea or to land.
  • a third beam 3 mechanically reinforces the rear part of the shell 5.
  • the first partition has an opening.
  • the first partition is positioned at 90% of the length of the hull; the second partition is positioned at 75% of the length of the hull.
  • the third beam is positioned at 40% of the length of the hull so as to reinforce the rear part of the hull.
  • the first partition is understood to be positioned at 90% of the length of the hull that a distance equal to 90% of the total length of the hull separates the rear of the hull from the position of the first partition.
  • the expression “second partition positioned at 75% of the length of the shell” means that a distance equal to 75% of the total length of the shell separates the rear of the shell from the position of the second partition.
  • the term third beam positioned at 40% of the length of the hull means that a distance equal to 40% of the total length of the hull separates the rear of the hull from the position of the third beam.
  • the hull 5 may comprise a plurality of central floats, a plurality of first beams each first beam being constituted by a first partition, a plurality of second beams each second beam being constituted by a second partition, the central part of each partition comprising a lower element intended to cooperate with a lower part of the central float of the plurality of central floats; each shell part arranged between a first partition and a second partition defining a one-piece shell part so as to form a plurality of one-piece shell part.
  • the hull comprises a first central float C, a second central float C ', a first partition 1, a second partition 2, a third partition 1' and a fourth partition 2 '; each one-piece shell part 7, 7 'being arranged between a first partition 1, 1' and a second partition 2, 2 '.
  • the first lateral float D and the second lateral float G are thus joined using a first central float C and a second central float C '.
  • the lower element of the central part PC of the first partition 1 and of the second partition 2 cooperates with a lower part of the first central float 7.
  • the lower element of the first lateral part of the first partition 1 and of the second partition 2 cooperates with a lower part of the first lateral float D.
  • the lower element of the second lateral part PG of the first partition 1 and of the second partition 2 cooperates with a lower part of the second lateral float G.
  • the lower element of the central part PC of the third partition 1 'and of the fourth partition 2' cooperates with a lower part of the second central float 7 '.
  • the lower element of the first lateral part of the third partition 1 'and of the fourth partition 2' cooperates with a lower part of the first lateral float D.
  • the lower element of the second lateral part PG of the third partition 1 'and of the fourth partition 2 ' cooperates with a lower part of the second lateral float G.
  • the hull part arranged between the first partition 1 and the second partition 2 defines a first one-piece hull part 7 while the hull part arranged between the third partition 1 'and the fourth partition 2' defines a second hull part monobloc 7 '.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Catching Or Destruction (AREA)
EP17717390.3A 2016-04-11 2017-04-11 Coque de catamaran a structure hybride et embarcation utilisant une telle coque Active EP3442855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1653179A FR3049923B1 (fr) 2016-04-11 2016-04-11 Coque de catamaran a structure hybride et embarcation utilisant une telle coque
PCT/EP2017/058678 WO2017178485A1 (fr) 2016-04-11 2017-04-11 Coque de catamaran a structure hybride et embarcation utilisant une telle coque

Publications (2)

Publication Number Publication Date
EP3442855A1 EP3442855A1 (fr) 2019-02-20
EP3442855B1 true EP3442855B1 (fr) 2020-02-12

Family

ID=56087418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17717390.3A Active EP3442855B1 (fr) 2016-04-11 2017-04-11 Coque de catamaran a structure hybride et embarcation utilisant une telle coque

Country Status (11)

Country Link
US (1) US10676159B2 (zh)
EP (1) EP3442855B1 (zh)
KR (1) KR102258663B1 (zh)
CN (1) CN109070972B (zh)
AU (1) AU2017251242B2 (zh)
BR (1) BR112018071034A2 (zh)
CA (1) CA3020955A1 (zh)
DK (1) DK3442855T3 (zh)
FR (1) FR3049923B1 (zh)
WO (1) WO2017178485A1 (zh)
ZA (1) ZA201807465B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313100A (zh) * 2021-12-17 2022-04-12 中国人民解放军海军工程大学 振动局域化的耐压艇体的舱壁间距布置方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049923B1 (fr) * 2016-04-11 2018-04-13 Kayflo Developpement Coque de catamaran a structure hybride et embarcation utilisant une telle coque

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US3221697A (en) * 1962-08-04 1965-12-07 Allegretti Pier Luigi Boats with two or more hulls
US3230918A (en) * 1964-10-09 1966-01-25 Arthur M Compton Ski-catamaran boat
FR2031701A5 (zh) * 1969-02-04 1970-11-20 Bodinier Jacques
US4714041A (en) * 1985-04-09 1987-12-22 Etat Francais Structure of surface effect ship with side walls
FR2588237B1 (fr) * 1985-10-08 1987-12-24 Briand P Cadre de jonction pour catamaran de croisiere
NZ222572A (en) * 1986-11-18 1990-03-27 Leonard Jefferson Blee Marine hull; recess in hull bottom vented to atmosphere
DE19744291C2 (de) * 1997-10-07 2000-05-04 Ernst Bullmer Mehrrumpfwasserfahrzeug variabler Breite
US6640737B2 (en) * 2002-03-14 2003-11-04 William S. Chacon Retractable multi-hulled watercraft
DE10343078B4 (de) * 2003-09-17 2005-08-18 New-Logistics Gmbh Wasserfahrzeug
CN201587530U (zh) * 2009-12-16 2010-09-22 中国船舶重工集团公司第七〇二研究所 设置中心开启水密门的小水线面双体船
FR3049923B1 (fr) * 2016-04-11 2018-04-13 Kayflo Developpement Coque de catamaran a structure hybride et embarcation utilisant une telle coque

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114313100A (zh) * 2021-12-17 2022-04-12 中国人民解放军海军工程大学 振动局域化的耐压艇体的舱壁间距布置方法

Also Published As

Publication number Publication date
KR102258663B1 (ko) 2021-05-31
FR3049923A1 (fr) 2017-10-13
EP3442855A1 (fr) 2019-02-20
BR112018071034A2 (pt) 2019-02-12
WO2017178485A1 (fr) 2017-10-19
US20190161143A1 (en) 2019-05-30
KR20180132849A (ko) 2018-12-12
CA3020955A1 (fr) 2017-10-19
US10676159B2 (en) 2020-06-09
AU2017251242A1 (en) 2018-11-01
AU2017251242B2 (en) 2022-10-13
CN109070972B (zh) 2020-11-24
ZA201807465B (en) 2020-02-26
FR3049923B1 (fr) 2018-04-13
CN109070972A (zh) 2018-12-21
DK3442855T3 (da) 2020-05-04

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