EP3177518B1 - Katamaranboot - Google Patents

Katamaranboot Download PDF

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Publication number
EP3177518B1
EP3177518B1 EP15760280.6A EP15760280A EP3177518B1 EP 3177518 B1 EP3177518 B1 EP 3177518B1 EP 15760280 A EP15760280 A EP 15760280A EP 3177518 B1 EP3177518 B1 EP 3177518B1
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EP
European Patent Office
Prior art keywords
catamaran
craft
boat
coupling
stern
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EP15760280.6A
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English (en)
French (fr)
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EP3177518A1 (de
Inventor
John SCANU
Luca RIVIERI
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Individual
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Individual
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Priority to HRP20182094TT priority Critical patent/HRP20182094T1/hr
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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 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
    • 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 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/02—Hulls assembled from prefabricated sub-units
    • B63B3/08—Hulls assembled from prefabricated sub-units with detachably-connected sub-units
    • B63B2003/085—Multiple hull vessels, e.g. catamarans, assembled from detachably-connected sub-units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B2035/002—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for inland waters, e.g. for use on canals or rivers

Definitions

  • the present invention relates to a catamaran boat of the type specified in the preamble of the claim 1.
  • Each water transport means is currently being designed and built with the specific aim of carrying a maximum defined number of people and, therefore, with a definite weight and / or maximum load volume.
  • the load capacity variable can be really important, especially during some periods of the year. Considers, for example, the passengers transport activities close to the holiday periods in tourist areas: in this case the increase of the load capacity is limited to a few days. Alternatively, in the case of transport for commercial purposes of products, the increase of the load can be tied to the seasonal nature of such products, or affect time windows of amplitude undefined and unpredictable.
  • An example of a traditional boat is disclosed in patent application BE-A-443241A .
  • the document EP 2 679 482 A2 discloses a catamaran boat being expandable by addition of floating modules. This document is considered the closest prior art.
  • the traditional boats do not lend themselves to such versatility, with unavoidable increase in terms of operating costs.
  • the non-satisfaction of some requests causes discontent loss of customers, economic and image disadvantages.
  • Another problem for the boats consists in the fact that, having to navigate even in routes particularly narrow (for example in a river, a channel, a harbor, etc.), they are very complex and hard working to handle.
  • the technical task underlying the present invention is to provide a catamaran boat capable of substantially obviating the mentioned drawbacks.
  • Another important aim of the invention is to realize a catamaran boat strong, sturdy, whose load capacity is variable easily and in conditions of maximum safety for the operators.
  • a further aim of the invention is to make a catamaran boat economic to manufacture and, moreover, characterized by a high simplicity of maneuvering.
  • the technical task mentioned and the aims specified are achieved by a catamaran boats claimed in the appended Claim 1.
  • a catamaran boat characterized in that it comprises at least one catamaran craft defining a bow, a stern and comprising:
  • the azimuth thruster of the catamaran craft rotates around a thrust axis substantially perpendicular to the supporting surface.
  • the rudder blade of the catamaran craft rotates around a directional axis substantially perpendicular to the supporting surface.
  • the azimuth thruster rotation is controlled in a dependent way or, preferably, an independent way respect to the rotation of the rudder blade.
  • a catamaran boat characterized in that it comprises:
  • said first and said second catamaran craft are identical and the hull resulting from their junction is substantially symmetrical with respect to said junction transverse plane.
  • said coupling means comprise:
  • said locking means comprise:
  • the azimuth thrusters of said first and second catamaran crafts rotate independently on respective axes to ensure the handling of said catamaran boat resulting from the union of the catamaran crafts.
  • the main advantage of the catamaran boat lies in its modularity and flexibility.
  • a catamaran boat with a modular architecture can solve different requirements related to a daily or seasonally variable load capacity, a reduction of costs related to personnel on board, fuel and parking at the dock.
  • Each catamaran craft in fact, provides by itself a well-defined load capacity, which may, however, be doubled if they are to form, once assembled, a single means of transport, that is to say a single catamaran boat.
  • Another important aspect is the storage of the catamaran boat for extraordinary maintenance operations.
  • the operation performed in two stages, separately for the two catamaran crafts, allows two advantages: on the one hand it reduces the cost of lifting and positioning on site, having to move a smaller load, with reduced use of lifting equipment and less occupied spaces, on the other hand it allows to not completely stop the activity because of the use of the catamaran boat.
  • the catamaran hull in fact, allows the installation of steering bodies suitably arranged in the stern area and, if positioned between the side hulls and, in particular, on the axis of symmetry of the catamaran boat, they are especially efficient. In the traditional hulls it occurs instead that the maneuver bodies, in most cases, protrude from the aft end to the outside, thereby preventing a possible combination of the sterns of the two catamaran crafts.
  • catamaran hulls also allows a more efficient coupling and a structurally more resistant constraint.
  • the two independent catamaran crafts are mutually identical. This characteristic is essential for operating a correct positioning there between during the mutual approach, even in case of minimum headway, and then ensuring, thanks to the structural symmetry and fair distribution of the weights derived there from, an optimal, stable and rigid constraint.
  • the use of two identical catamaran crafts allows, once assembled, to assign either one or the other the main control functions, with a more convenient maneuverability of the catamaran boat.
  • the captain may, in fact, choose the command post between the two existing and equivalent, simply basing on the specifics of mission, and from said control post he can access all systems on board.
  • the above-described variation of the capacity of people and / or things transport can be increased by realizing a catamaran boat, adding to catamaran crafts one or more intermediate catamaran crafts, able to be connected permanently between the catamaran crafts, and / or adding at least one additional catamaran craft able to bind to the stern of a catamaran craft.
  • the distribution and shape of the coupling means is extremely favorable for the structural rigidity of the assembled catamaran boat, as it will be highlighted in the following description.
  • measures, values, shapes and geometric references when associated to words such as “about” or similar terms such as “almost” or “substantially”, are to be intended as measurement errors or inaccuracies due to production and/or manufacture errors and, above all, with the exception of a slight divergence from the value, from the size, from the shape or from the geometric reference which it is associated.
  • such terms when associated to a value, preferably indicate a divergence of no more than 10% of the value itself.
  • the catamaran boat according to the invention is globally indicated with the number1.
  • the catamaran boat 1 can be, therefore, apt to be used for navigation along a waterway, that is a navigable canal, of natural or artificial origin, used to manage the vessel traffic such as, for example, a river or a lake.
  • the catamaran boat1 comprises at least one catamaran craft and, preferably, two catamaran crafts, namely a first catamaran craft 1a ( Figs. 2a and 3a ) and a second catamaran craft 1b ( Figs. 2b and 3b ).
  • a first catamaran craft 1a Figs. 2a and 3a
  • a second catamaran craft 1b Figs. 2b and 3b
  • it is obtained by the stable connection of two catamaran crafts 1a, 1b substantially identical, both having a catamaran hull and each defining a median axis x.
  • Each of said catamaran crafts 1a, 1b comprises a bow 2a, 2b, a stern 3a, 3b, and at least one among the motor means 4a, 4b and directional means 5a, 5b.
  • the first catamaran craft 1a can act independently and therefore comprises a first bow 2a, a first stern 3a, first motor means 4a, first directional means 5a provided along the prevailing direction of longitudinal development of the same catamaran craft, coinciding with a median axis x; while the second catamaran craft, also functioning independently, comprises a second bow 2b, a second stern 3b, and one between the second motor means 4b and second directional means 5b.
  • each catamaran craft 1a, 1b is functioning independently and therefore comprises a bow 2a, 2b, a stern 3a, 3b, and motor means 4a, 4b and directional means 5a, 5b provided along the prevailing direction of longitudinal development of the same catamaran craft, coinciding with a median axis x.
  • each catamaran craft 1a and 1b presents a control station (namely a wheelhouse) 110 suitably connected to the means 4a, 4b, 5a and 5b so as to control direction and speed of advance of the catamaran craft 1a and 1b and, in particular, of the catamaran boat 1.
  • a control station namely a wheelhouse
  • each catamaran craft 1a and 1b presents a control station (namely a wheelhouse) 110 suitably connected to the means 4a, 4b, 5a and 5b so as to control direction and speed of advance of the catamaran craft 1a and 1b and, in particular, of the catamaran boat 1.
  • Said motor means 4a, 4b comprises, for each catamaran craft 1a and 1b, an azimuth thruster provided in the respective bow area 2a, 2b, while said directional means 5a, 5b comprises, for each catamaran craft, a rudder blade provided in the respective aft area 3a, 3b.
  • the motor means 4a, 4b comprises an azimuth thruster, conveniently, adapted to rotate on a thrust axis 4c preferably substantially perpendicular to the supporting surface thus varying the direction of the thrust force.
  • the directional means 5a and 5b comprise a rudder blade, suitably, adapted to rotate on a directional axis 5c preferably substantially perpendicular to the support surface thus varying the direction of advance.
  • the axes 5c and 4c are substantially parallel to each other, in particular, lie on a plane almost parallel to the median axis x.
  • the axis 4c, 5c and x lies substantially on a single plane.
  • the means 4a, 4b, 5a and 5b and, in particular, the azimuth thruster and the rudder blade are adapted to rotate independently one another as to allow each catamaran craft 1a and 1b and, therefore, the catamaran boat 1 to selectively move along a transverse direction and, in some cases, perpendicular to the median axis x, advance along the median axis x, almost to roto-translate and, in detail, almost to rotate.
  • each catamaran craft 1a, 1b comprises a supporting structure 6, consisting of a bridge and, preferably, of a superstructure formed by the sidewalls 7and a ceiling 8.
  • each catamaran craft 1a, 1b is plain and is opportunely tightened to accommodate the coupling means and the required bodies for coupling.
  • Each catamaran craft 1a, 1b also comprises two side hulls 100 on which it is leaned and among which the structure 6 essentially underlies.
  • each craft 1a, 1b have an extremity defining a contact face 100a and 100b adapted to make contact with the respective contact face 100b and 100a of the other catamaran craft 1a and 1b; and, suitably, the other extremity tapered so to facilitate the movements of the catamaran boat 1 and/or of the single catamaran craft 1a and 1b.
  • the contact faces 100a and 100b are parallel between them and, in detail, substantially conforming to each other in shape so as to lean mutually and, therefore, facilitate the linkage between the catamaran crafts 1a and 1b.
  • the means 4a, 4b, 5a and 5b are preferably constrained to the supporting structure 6 and, suitably, placed between the side hulls100.
  • each catamaran craft 1a, 1b comprises two transverse bulkheads 9a and 9'a, 9b and 9'b, placed at the last two structural frames of the supporting structure 6 confined in the aft area 3a, 3b.
  • Such bulkheads 9a and 9'a, 9b and 9'b identify a compartment 29a, 29b at the end of the stern 3a, 3b of each single catamaran craft 1a, 1b where must take place all joining operations in order to obtain a single catamaran boat 1.
  • Said first catamaran craft 1a and said second catamaran 1b each comprise coupling means for their mutual stable coupling, obtained matching the relative sterns 3a, 3b, in a transversal junction plane ⁇ ( Figs. 1, 2a, 2b , 3a and 3b and 6 ).
  • the contact takes place between the two outer stern bulkheads 9a, 9b of each catamaran craft.
  • Said coupling means comprise:
  • the coupling means preferably comprise at least one gasket adapted to interpose between the units 1a and 1b avoiding the entry of water between the catamaran crafts when mutually bounded by coupling means and especially to compensate possible tolerance as well as deformations of the contact bulkheads.
  • said alignment means comprise means of shape-coupling provided on the respective bulkheads 9a, 9b of the external area of the stern 3a, 3b of each catamaran craft 1a, 1b.
  • Said form coupling means work in correspondence of said junction transverse plane ⁇ .
  • Each catamaran craft 1a, 1b comprises, on its external stern bulkhead 9a, 9b and, in particular, on the contact faces 100a and 100b, a truncated pyramidal structure 10a, 10b which protrudes toward the outside of the stern 3a, 3b and a recess conformed 11a, 11b proceeds instead in the same stern.
  • Said truncated pyramidal structure 10a, 10b and said recess conformed 11a, 11b have complementary section so as to cooperate with sliding of the respective inclined planes during the headway action.
  • the first catamaran craft 1a comprises on a contact face 100a a truncated pyramidal structure 10a and on the other contact face 100a a recess conformed 11a; while the second catamaran craft 1b comprises on a contact face 100b a structure like a truncated pyramidal and on the other face 10b of contact 100b a recess conformed 11b.
  • the connectors could be arranged the connectors, so that, when the catamaran craft 1a and 1b are joined, the joined connectors realizes a data transfer/energy between the catamaran craft 1a and 1b.
  • they may be placed on bulkheads 9a and 9'a, 9b and 9'be, suitably, above the waterline of the boat catamarana 1.
  • each catamaran craft 1a, 1b may comprise, suitably placed on the external stern bulkhead 9a, 9b, at least one gasket adapted to engage itself on the other gasket placed on the other units 1a and 1b so as to hermetically seal the catamaran boat 1, compensating deformations.
  • the gasket housed within a suitable recess on the stern bulkhead, is placed along a first semi-perimeter of the first unit 1a and along a second semi-perimeter of the second unit 1b so that, when the units are mutually bonded by the coupling means, the two gaskets are distributed along all the perimeter hermetically sealing the catamaran boat 1, compensating deformations.
  • the truncated pyramidal structure 10a of said first catamaran craft 1a will be inserted in the recess conformed 11b of said second catamaran craft 1b, while the recess 11a of said first catamaran craft 1a will host the truncated pyramidal structure 10b of the second catamaran craft 1b.
  • the two sterns 3a, 3b will match each other, preferably substantially perfectly, the respective median axes x of the catamaran crafts 1a and 1b will coincide and the entire catamaran boat 1 will thus be substantially symmetrical with respect to the transverse plane of junction ⁇ .
  • said coupled means comprise a movable hook 12a, 12b provided on each catamaran craft 1a, 1b and adapted to interact, orthogonally to said junction plane transverse ⁇ , with a respective retention cuneiform element 13a, 13b provided on the opposite catamaran craft.
  • each hook 12a, 12b is housed inside a suitable place 14a, 14b formed in the compartment 29a, 29b defined by the stern bulkheads 9a and 9'a, 9b and 9'b, of the respective catamaran craft ( Fig. 7 ), while in the use said hook 12a, 12b is adapted to be disposed, rotating, orthogonally to the respective outer stern bulkhead 9a, 9b ( Fig. 8 ).
  • Said hook 12a, 12b is constituted by an arm 15a, 15b fitted with a hooked end 16a, 16b, and is connected to the opposite end to a sliding hinge 17a, 17b in the stern compartment 29a, 29b.
  • Said restraining element 13a, 13b is as the same time provided along a vane 18a, 18b realized at the compartment 29a, 29b of each catamaran craft 1a and 1b.
  • the coupling takes place when said arm 15a, 15b, sliding in said seat 18a, 18b, reaches with its hooked end 16a, 16b said retention element 13a, 13b and engages itself as shown in Fig. 9 .
  • Said locking means comprise a panel 20a, 20b pivotally associated on the left of each catamaran craft 1a, 1b and adapted to be stably fixed on the opposite catamaran craft 1a, 1b ( Figs. 7 , 10, 11 ).
  • Said panel 20a, 20b is associated, through a hinge with a vertical axis 21a, 21b, to the outside of the structural bulkhead 9'a, 9'b facing the stern.
  • Said panel 20a, 20b, by rotating about said hinge 21a, 21b, is adapted to be fixed stably on the whole both of the two aft bulkheads 9a and 9b that the structural bulkhead 9'a, 9'b facing the aft one, on the opposite catamaran craft.
  • both structural compartments 29a, 29b of the two opposite catamaran craft 1a, 1b working together in equal measure to the effort generated by the assembly.
  • Said hook is substantially constituted by a lever arm 23a, 23b to one end of which is provided with a jaw 24a, 24b adapted to cooperate engaging a corresponding retention element 25.
  • Said retaining element is obtained by a suitable shaping 26a, 26b of the upper portion of each exterior stern bulkhead 9a, 9b in such a way that, in the mating position, the two shaped portions 26a and 26b, matching between them, realize a semi-cylindrical retaining element 25 perfectly engaged by the respective jaw tightening.
  • Said rectilinear lineament with a semi-cylindrical geometry 25 is therefore the result of the combination of the two external bulkheads 9a, 9b of the stern of each catamaran craft 1a, 1b and is positioned on their upper extremity.
  • a hydraulic piston 27a, 27b provided at the opposite end of the lever arm 23a, 23b allows to exercise a grip such as to tighten said jaw 24a, 24b around said retention element 25 and maintain tight, one against the other, the projecting portions 26a, 26b of the two external stern bulkheads 9a and 9b ( Fig. 14 ), thus adding a further locking element to the two catamaran crafts 1a, 1b and ensuring a pair still more stable and safe.
  • the assembling of the catamaran boat 1 takes place in three distinct phases:
  • the approaching operation between the sterns of the catamaran crafts 1a, 1b, before the mechanical coupling, can be performed with the aid of the motor means and the directional means.
  • the azimuth thruster at the bow and the rudder blade at the stern of each catamaran craft act in synergy allowing, even with little headway, the correct positioning of the two catamaran crafts, and the mutual alignment, so that the respective median axes x, which are extended along the longitudinal direction of development of each catamaran craft, coincide ( Fig. 6 ).
  • the optimal conditions to perform them approaches maneuvers provide calm water and are therefore to be executed in port areas.
  • an operator disengages the hooks 12a, 12b of the two catamaran crafts 1a, 1b from their vanes, by turning them up to arrange them in a horizontal position, at right angles to the respective draft bulkheads.
  • This operation could also be automated ( Figs. 7 and 8 ).
  • each catamaran craft 1a, 1b protrudes the hook 12a, 12b of the coupling at the stern, according to the direction of longitudinal development.
  • the headway allows to the extended hooks to slide inside the corresponding seats 18a, 18b formed in the bearing structure of the opposite catamaran craft 1a, 1b up to achieve the holding elements 13a, 13b.
  • the two hooks are inserted in their vane and they have hooked the holding elements, the operator actuates the electric or hydraulic system which, by moving the piston 19a, 19b of each arm, close the hooks on the relative holding elements ( Fig. 9 ) bringing into stable contact the two catamaran craft.
  • the two catamaran crafts 1a, 1b are perfectly combined with the stern bulkhead matching to define the cross junction plane ⁇ .
  • the target of the locking phase is to ensure the relative position reached by the aligning on a stable, structurally safe and definitive manner, in order to consider the catamaran boat so assembled a single unit from the architectural point of view ( Figs. 1 , 10 and 11 ).
  • each catamaran craft 1a, 1b are disengaged from their vanes and made to rotate around their hinges with a vertical axis 21a, 21b up to adhere to the opposite side of the catamaran craft engaging to it in correspondence of its structure, in particular on structural bulkheads defining the compartments 29a, 29b.
  • the two catamaran craft are a single catamaran boat with on board systems manageable by a single control station 110, wheelhouse, chosen by the commander among the two available.
  • Each board system (sprinkler system, bilge system, fresh water system, sewage system, electrical system, fuel system, etc.) is designed in a modular way, with control units placed in the control station 110, as to take indifferently the function of master or slave.
  • the captain can choose the control station 110 between the two existing and equivalent, simply according to the specific mission, and from the same he can have access to all onboard systems, comprising propulsion.
  • the catamaran boat 1 assembled is in fact equipped with two azimuth thrusters 4a, 4b, arranged at the ends of the resulting hull.
  • the rudder blade 5a, 5b in this configuration remain locked in position along the longitudinal axis of the catamaran boat and therefore do not cooperate to the motion.
  • the captain decides the maneuvers to be executed.
  • a suitable control system depending on the physical and geometrical characteristics of the catamaran boat, can act on the motors according to the maneuver, by imposing on them thrust and rotation.
  • the azimuth thrusters of said first and second catamaran craft can rotate on their respective axes either independently or in a coordinated and dependent way for moving said catamaran craft.
  • the catamaran boat 1 moves his center of gravity along a straight line while maintaining the fore-aft direction constant.
  • the angle between the movement direction and the fore-aft direction may vary between 0 and ⁇ 180°. To drive along a straight line it is necessary to rotate both thrusters by the same angle, both in module and in sign.
  • the catamaran boat 1 moves his center of gravity on a tangent to the curve while maintaining the same fore-aft direction.
  • the two thrusters can act dependent or independent from each other. In the case of dependence both will rotate by the same angle in module, but with opposite direction. In the case of independence the azimuth thrusters will rotate with different angles in modulus and sign. A particular case of turn can be obtained by rotating a thruster only.
  • the catamaran boat 1 comprises, in addition to catamaran craft 1a and 1b, one or more intermediate catamarans craft 1c adapted to be interposed between the catamarans craft 1a and 1b and, therefore, to further increase the load capacity of the catamaran boat 1.
  • the catamaran boat 1 is obtained by the stable coupling of two catamaran craft 1a, 1b substantially identical, and, among the catamaran craft 1a and 1b, one or more intermediate catamaran craft.
  • Each intermediate catamaran craft 1c comprises an intermediate catamaran hull and defines an intermediate bow, an intermediate transom and an intermediate middle axis.
  • it is a multihull and comprises two intermediate lateral hulls 28e, an intermediate support structure 29 coated by intermediate sidewalls and an intermediate ceiling.
  • the intermediate catamaran craft 1c may comprise an intermediate control station and at least one, among intermediate motor means and intermediate directional means, placed on the bow and/or on the stern and substantially similar to the aforesaid means 4a, 4b, 5a and 5b of the catamaran craft 1a and 1b.
  • the intermediate catamaran craft 1c comprises a control station and intermediate motor means and intermediate directional means places on opposite sides, that are fore and aft.
  • each intermediate craft catamaran 1c comprises, at the intermediate bow and stern, the intermediate coupling means able to allow to link intermediate craft to the catamaran craft 1a and 1b and/or one or more intermediate catamaran craft.
  • the intermediates coupling means comprise:
  • the intermediates coupling means are similar to the coupling means of the catamaran craft 1a and 1b.
  • the intermediate aligning means are substantially analogous to the above described aligning means 10a, 10b, 11a, 11b
  • the intermediate coupling means are substantially analogous to the above described coupling means 12a, 12b, 13a, 13b, 14a, 14b, 15a, 15b , 16a, 16b, 17a, 17b, 18a, 18b, 19a, 19b.
  • Intermediates locking means are substantially similar to the above-described locking means 20a, 20b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b, 25, 26a, 26b, 27a, 27b; the intermediate connectors are substantially similar to the above-described connectors; and the intermediate gasket is substantially similar to the above-described gasket.
  • a non-claimed intermediate catamaran craft 1c may comprise at least one additional intermediate hull 30 adapted to improve the stability of the catamaran boat 1.
  • the intermediate catamaran craft 1c comprises at least one and, to be precise, exactly two intermediate additional hulls 30 located externally to the intermediate side hulls 28 and, in particular, on opposite sides of the intermediate side hulls 28, so as to enclose between them the same intermediate side hulls 28.
  • Said additional intermediate hulls 30 have a section that can suitably be smaller than the intermediate section of the side hulls 28.
  • the additional intermediates hulls 30 properly have a length smaller than the length of the intermediate side hulls 28.
  • the additional intermediates hulls 30 suitably have a length at least equal and, specifically, greater than, the length of the intermediate side hulls 28.
  • the catamaran boat 1 comprises a only catamaran craft acting independently and defining a bow 2, a stern 3 and a median axis x.
  • the catamaran craft comprises a catamaran hull and, in detail, two side hulls 100; a supporting structure 6 connecting the side hulls 100 and defining a supporting surface; motor means 4 adapted to generate a thrust force of the catamaran craft/boat and selectively placed in the bow 2 or stern 3; and directional means 5 adapted to define, properly together with the motor means 4, the direction of advance of the catamaran craft and, therefore, the catamaran boat 1 and placed on the opposite side of the motor means 4 and, therefore, selectively at the stern 3 or bow 2.
  • the motor means 4 are at the bow 2 and the directional means 5 at the stern 3 ( Figs. 17a and 17b ).
  • the motor means 4 are at the stern 3 and the directional 5 at the bow 2 ( Figs. 16a and 16b ).
  • the motor means 4 and directional means 5 are constrained to the structure 6 and, preferably, placed between the side hulls 100 and, more preferably, along the median axis x.
  • the motor means 4 comprise an azimuth thruster, conveniently, adapted to rotate on a thrust axis 4c substantially perpendicular to the supporting surface, thus changing the direction of the thrust force.
  • the directional means 5 comprise: a rudder blade, properly, arranged to rotate on a directional axis 5c substantially perpendicular to the supporting surface thus varying the direction of advance.
  • the axes 5c and 4c are substantially mutually parallel, in particular, they lie on a plane substantially parallel to the median axis x.
  • the axis 4c, 5c and x lie substantially on a single plane.
  • the axes 5c and 4c are substantially normal to the supporting surface.
  • the means 4 and 5 and, in particular, the azimuth thruster and the rudder blade are adapted to rotate independently one another, so as to allow the catamaran boat 1 selectively moving along a transverse direction and, in some cases, normal to the median axis x, advancing along the x axis or, almost roto-translating and, in particular, substantially rotating.
  • the catamaran craft has a control station, wheelhouse, 110 suitably connected to the thrust means 4 and directional means 5 so as to command its direction and speed of advance and, therefore, said means.
  • the supporting structure 6 is called the bridge and is subtended/underlying between the side hulls, it connects the hulls themselves defining a supporting structure.
  • a structure can be bound to the bridge from the top and formed by sidewalls 7 and a ceiling 8.
  • the side hulls 100 have both ends with a shape of known type and, in particular, tapered so as to facilitate the movements of the catamaran craft and, therefore, of the catamaran boat 1.
  • the side hulls 100 have, as shown in Fig. 18 , one end, preferably the bow 2, tapered and the other end, preferably the stern 3, non-tapered and, in particular, terminating with a flat face suitably and substantially perpendicular to the waterline.
  • the coupling means and the locking means may substantially coincide and, in particular, comprise at least one compression fitting ( Figs. 18, 19a, 19b ).
  • the units 1a and 1b may comprise additional reference means able to prevent a relative movement between the catamaran crafts 1a and 1b along a plane perpendicular to the axis x so as to allow the compression fitting to work almost exclusively for compression.
  • the first catamaran craft 1a as shown in Fig. 18 , comprises at least one first compression fitting 31a disposed at the stern 3a.
  • the first catamaran craft 1a comprises two first compression fittings 31a placed at stern 3a.
  • the first compression fitting 31a comprises a first coupling pin 311b integral with the second catamaran craft 1b; a first boom 312a having one end hinged to the first catamaran craft 1a; a first additional arm 313a provided with a first hook 314a committed to the first pin 311b and having the end, opposite to said first hook 314a, hinged to the first boom 312a; and a first linear actuator 315a having one end hinged to the first catamaran craft 1a and the other to the point of pivoting between the first arms 312a and 313a.
  • the first pin 311b is disposed in a second vane 18b.
  • the first arms 312a, 313a, the first hook 314a and the first linear actuator 315a are placed in a first seat 18a.
  • the first linear actuator 315a controls, as a function of its length variation (preferably an elongation), a mutual rotation of the first arms 312a and 313a respect to the first catamaran craft 1a.
  • Said rotation leads the first hook 314a outside the first seat 18a by placing it in the second seat 18b and, then, committing it to the first pin 311b.
  • Such commitment of the first hook 314a to the first pin 311b defines an articulated triangle in which the first boom is hinged, at its ends, to the first catamaran craft 1a and the first supplementary arm 313a which, in turn, is hinged through the first hook 314a to the first pin 311b and, then, to the second catamaran craft 1b ( Fig. 19a ).
  • the first linear actuator 315a performs a new length variation opposite to the previous one (preferably a contraction).
  • the contraction of the first linear actuator 315a imposes on first arms 312a and 313a a rotation in the opposite direction that combines and binds jointly the second catamaran craft 1b to the first catamaran craft 1a ( Fig. 19b ).
  • the second catamaran craft 1b as shown in Fig. 18 , comprises at least one compression fitting 31b arranged/placed at the stern 3b and, in particular, two compression fittings 31b placed at the stern 3b.
  • the second compression fitting 31b comprises a second pin 311a integral with the first catamaran craft 1a; a second boom 312b having one end hinged to the second catamaran craft 1b; a second additional arm 313b equipped with a second hook 314b committed to the second pin 311a and having the end, opposite to said second hook 314b, hinged to the second boom 312b; and a second linear actuator 315b having one end hinged to the second catamaran craft 1b and the other to the point of pivoting between the second arms 312b and 313b.
  • the second pin 311a is disposed in a first seat 18a.
  • the second arms 312b, 313b, the second hook 314b and the second linear actuator 315b are placed in a second seat 18b.
  • the second linear actuator 315b controls, as a function of its length variation (preferably an elongation), a mutual rotation of the second arms 312b and 313b respect to the second catamaran craft 1b.
  • Said rotation leads the second hook 314b outside the second seat 18b by placing it in the first seat 18a and, then, committing it to the second pin 311a.
  • Such commitment of the second hook 314b to the second pin 311a defines an articulated triangle in which the second boom 312b is hinged, at its ends, to the second catamaran craft 1b and the second additional arm 313b which, in turn, is hinged, through the second hook 314b to the second pin 311a and, then, to the first catamaran craft 1a ( Fig. 19a ).
  • the second linear actuator 315b performs a new length variation opposite to the previous one (preferably a contraction).
  • the contraction of the second linear actuator 315b imposes on second arms 312b and 313b a rotation in the opposite direction that combines and binds solidly the first catamaran craft 1a to the second catamaran craft 1b ( Fig. 19b ).
  • each catamaran craft 1a, 1b comprise on its external stern bulkhead 9a, 9b an additional truncated pyramid structure that protrudes to the outside of the stern 3a, 3b and a supplementary recess complementarily to the additional truncated pyramid structure so as to house inside the additional truncated pyramid structure, preventing a relative movement between the catamaran crafts 1a and 1b along a plane perpendicular to the median axis x.
  • the additional truncated pyramid structure and the supplementary recess have complementary section so as to cooperate substantially by contact of the respective inclined planes during the headway.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shovels (AREA)
  • Toys (AREA)

Claims (10)

  1. Katamaran (1) gekennzeichnet dadurch, dass es Folgendes umfasst:
    - Ein erster unabhängig operierender Katamaranrumpf (1a) mit einer überwiegend longitudinalen Entwicklungsrichtung entlang einer Mittelachse (x) und mit einem Bug (2a), einem Heck (3a), einem Motorantrieb (4a) und Ruderanlage (5a);
    - Ein zweiter unabhängig operierender Katamaranrumpf (1b) mit einer überwiegend longitudinalen Entwicklungsrichtung entlang einer Mittelachse (x) und mit einem Bug (2b), einem Heck (3b), einem Motorantrieb (4b) und einer Ruderanlage (5b);
    - wobei der erste Katamaranrumpf (1a) und der zweite Katamaranrumpf (1b) jeweils eine Verbindungseinrichtung für ihre gegenseitige stabile Kopplung aufweisen, die durch Verbinden ihrer Hecks (3a, 3b) in einer Querverbindungsebene (Π) erhalten wird, um das Katamaranschiff (1) als eine einzige Einheit betriebsfähig zu machen.
  2. Katamaran (1) nach Anspruch 1, dadurch gekennzeichnet, dass:
    - diese Antriebsmittel (4a, 4b) einen Azimutmotor umfassen, der im jeweiligen Bugbereich (2a, 2b) jedes Katamaranschiffes (1a, 1b) angebracht ist;
    - diese Ruderanlagen (5a, 5b) für jeden Katamaranrumpf ein Ruderblatt umfassen, das im jeweiligen Heckbereich (3a, 3b) jedes Katamaranrumpfes (1a, 1b) angebracht ist,
    - wobei dieser Motorantrieb (4a, 4b) und diese Ruderanlage (5a, 5b) entlang dieser Mittelachsen (x) angeordnet sind.
  3. Katamaran (1) nach Anspruch 1, dadurch gekennzeichnet, dass der erste Katamaranrumpf (1a) und der zweite Katamaranrumpf (1b) identisch sind und dass der aus ihrer Verbindung resultierende Gesamtrumpf im Wesentlichen symmetrisch zur genannten Querverbindungsebene (Π) ist.
  4. Katamaran (1) nach Anspruch 1, dadurch gekennzeichnet, dass diese Verbindungsmittel Folgendes umfassen:
    - - Ausrichtungsmittel (10a, 10b, 11a, 11b), die geeignet sind, den ersten (1a) und zweiten (1b) Schiffskatamaran koaxial auszurichten;
    - - Befestigungsmittel (12a, 12b, 13a, 13b, 14a, 14b, 15a, 15b, 16a, 16b, 17a, 17b, 18a, 18b, 19a, 19b) für den ersten (1a) und zweiten (1b) Katamaranrumpf;
    - - Verriegelungsmittel, (20a, 20b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b, 25, 26a, 26b, 27a, 27b) die geeignet sind, die Kopplung des ersten (1a) und zweiten (1b) Katamaranrumpfes stabil und starr zu machen.
  5. Katamaran (1) nach Anspruch 4, dadurch gekennzeichnet, dass diese Ausrichtmittel Kupplungsmittel der Form (10a, 10b, 11a, 11b) aufweisen, die an dessen Hecks (3a, 3b) angebracht sind.
  6. Katamaran (1) nach Anspruch 4, dadurch gekennzeichnet, dass diese Befestigungsmittel in der vorherrschenden Richtung der Längsentwicklung des ersten (1a) und des zweiten (1b) Katamaranschiffes arbeiten und einen beweglichen Haken (12a, 12b) aufweisen, der an jedem Katamaranschiff angebracht ist und mit einem entsprechenden Rückhalteelement (13a, 13b), das an dem gegenüberliegenden Katamaranschiff angebracht ist, zusammenwirken kann.
  7. Katamaran (1) nach Anspruch 4, dadurch gekennzeichnet, dass diese Verriegelungsmittel eine Platte (20a, 20b) umfassen, die jedem Katamaran-Schiff (1a, 1b) rotatorisch zugeordnet und drehbar ist, um dauerhaft an dem gegenüberliegenden Katamaran-Schiff (1b, 1a) befestigt zu werden.
  8. Katamaran (1) nach Anspruch 4, dadurch gekennzeichnet, dass diese Verriegelungsmittel einen Backenhaken (22a, 22b) aufweisen, die an einer Deckwand (8) jedes Katamaranschiffes (1a, 1b) angebracht ist und ein entsprechendes Rückhalteelement (25) anbringen kann, das aus der Kopplung des ersten (1a) und zweiten (1b) Katamaranschiffes resultiert.
  9. Katamaran (1) nach Anspruch 8, dadurch gekennzeichnet, dass der Backenhaken (22a, 22b) einen hydraulischen Kolben (27a, 27b) umfasst, der in der Lage ist, der Backe eine Kraft zum Einklemmen des Rückhalteelements (25) zu verleihen.
  10. Katamaran (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Azimutmotoren (4a, 4b) des ersten (1a) und zweiten (1b) Katamaran-Schiffes unabhängig voneinander auf ihren jeweiligen Achsen rotieren, um die Bewegung des Katamarans (1) sicherzustellen.
EP15760280.6A 2014-08-04 2015-07-31 Katamaranboot Active EP3177518B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20182094TT HRP20182094T1 (hr) 2014-08-04 2018-12-11 Katamaranski brod

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPI20140056 2014-08-04
PCT/IB2015/055832 WO2016020814A1 (en) 2014-08-04 2015-07-31 Catamaran boat

Publications (2)

Publication Number Publication Date
EP3177518A1 EP3177518A1 (de) 2017-06-14
EP3177518B1 true EP3177518B1 (de) 2018-09-19

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ID=51663308

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Application Number Title Priority Date Filing Date
EP15760280.6A Active EP3177518B1 (de) 2014-08-04 2015-07-31 Katamaranboot

Country Status (5)

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EP (1) EP3177518B1 (de)
CA (1) CA2957373A1 (de)
HR (1) HRP20182094T1 (de)
HU (1) HUE042658T2 (de)
WO (1) WO2016020814A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE443241A (de) *
ES2405704B1 (es) * 2010-09-11 2014-03-26 Jose Nieto Leon Conjunto de elementos de montaje y unión de embarcaciones y estructuras flotantes de construcción modular

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
HRP20182094T1 (hr) 2019-02-22
EP3177518A1 (de) 2017-06-14
CA2957373A1 (en) 2016-02-11
HUE042658T2 (hu) 2019-07-29
WO2016020814A1 (en) 2016-02-11

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