EP3177518B1 - Catamaran boat - Google Patents
Catamaran boat Download PDFInfo
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPINGÂ
- 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 SHIPPINGÂ
- 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 SHIPPINGÂ
- 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 SHIPPINGÂ
- 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
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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)
Description
- 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.
- For any business, maximize profit results in optimizing the resources and the use of said means.
- For this reason, those who develop a business in water transportation of things/people, should know precisely the flow density transported during the course of their works.
- This estimate is not always easy to implement.
- In fact, it may happen that the need to increase the load capacity of the water transport means takes place. This may happens also suddenly and/or for a variable time that can't be estimated a priori. Conversely, it may happen that, in some periods of the year, the demand is so limited that the water transport means are absolutely oversized for the mission, with unavoidable increase in operating costs and maintenance.
- 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 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. - Disadvantageously, the traditional boats do not lend themselves to such versatility, with unavoidable increase in terms of operating costs. In some cases, 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.
- In particular, this problem can be especially evident in the case of boats which, being dimensioned to have a considerable load capacity, have a high overall size and, therefore, require numerous and complex maneuvers to overcome an obstacle or a bend.
- Under this situation, the technical task underlying the present invention is to provide a catamaran boat capable of substantially obviating the mentioned drawbacks.
- Within the scope of this technical task, it is an important aim of the invention to have a modular catamaran boat, with a certain load flexibility, modulated in order to satisfy any condition of transport.
- 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. - Particularly, the objects are achieved with a catamaran boat characterized in that it comprises at least one catamaran craft defining a bow, a stern and comprising:
- two side hulls each defining a median axis;
- a supporting structure, named bridge, connecting and, in particular, subtended between the side hulls and defining a supporting surface;
- an optional structure linked to the bridge at the top, defined superstructure and consisting of the side walls and ceiling;
- motor means adapted to generate the thrust force of the catamaran boat and selectively arranged at the bow or at the stern;
- directional means adapted to define, appropriately together with the motor means, the advancement direction of the catamaran boat and placed on the opposite side to the motor means and, therefore, at the stern or at the bow;
- said motor and directional means are placed between the side hulls.
- According to the first aspects of the invention:
- said motor means comprise a azimuth thruster,
- said directional means comprise a rudder blade,
- wherein said motor means and said directional means are provided along said median axes
- According to a possible embodiment of the invention, the azimuth thruster of the catamaran craft rotates around a thrust axis substantially perpendicular to the supporting surface.
- According to another possible embodiment of the invention, the rudder blade of the catamaran craft rotates around a directional axis substantially perpendicular to the supporting surface.
- According to a further possible embodiment of the invention, the azimuth thruster rotation is controlled in a dependent way or, preferably, an independent way respect to the rotation of the rudder blade.
- In more detail, the aims are achieved with a catamaran boat characterized in that it comprises:
- a first catamaran craft that works independently, having a main direction of longitudinal development along a median axis and comprising a bow, a stern, motor means and directional means;
- a second catamaran craft that works independently, having a main direction of longitudinal development along a median axis and comprising a bow, a stern, motor means and directional means,
- wherein both said first catamaran craft and said second catamaran craft comprise coupling means for their mutual stable connection, obtained by fitting their sterns together, on a transverse junction plane, in order to realize said catamaran boat adapted to work as a single unit.
- According to the first aspects of the invention:
- both the first and the second catamaran crafts defining a bow, a stern and comprising:
- o two side hulls; and
- o a supporting structure connecting and, in particular, subtended between the side hulls and defining a supporting surface for the things and/or people to be carried with the catamaran boat; and
- ∘ an optional structure linked to the bridge from the top, defined superstructure and composed by the side walls and the ceiling;
- motor means preferably comprising an azimuth thruster provided in the respective bow area of each catamaran craft;
- directional means preferably comprising a rudder blade provided on the opposite side of the motor means and, in particular, in the respective stern area of each catamaran craft,
- where said motor means and said directional means are provided between the hulls and, in particular, along said median axes.
- Advantageously, 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.
- According to a further aspect of the invention, said coupling means comprise:
- aligning means adapted to make the first and the second catamaran craft coaxial;
- coupling means for said first end second catamaran crafts;
- locking means adapted to make the coupling of said first and second craft stable and rigid.
- In detail:
- said aligning means comprise shape-coupling means provided at said sterns;
- said coupling means work along the main direction of longitudinal development of said first craft and said second craft and comprise a movable hook provided on each craft, adapted to interact with a respective retaining element provided on the opposite craft; and said movable hook comprises a hydraulic or electric linear actuator able to exert a traction force to bring together said first and said second catamaran craft.
- Moreover, said locking means comprise:
- a panel pivotally associated to each catamaran craft and adapted to rotate in order to be stably fixed to the opposite catamaran craft;
- a hook jaw provided on a covering wall of each catamaran craft and adapted to engage a respective retaining element formed by the coupling of said first and said second catamaran craft.
- According to a possible embodiment of the invention, 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.
- According to the invention the main advantage of the catamaran boat lies in its modularity and flexibility.
- A catamaran boat with a modular architecture, such as the one in question, 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.
- This will determine the conditions for an operational flexibility that allows, in conditions of low traffic, to use separately the two catamaran crafts, for example by varying the mission profile of each craft, assigning to the two catamaran crafts different tasks on different routes, or simply sheltering one craft waiting for a new increase in traffic, with cost savings related to wear through exertion.
- Instead, in heavy traffic conditions, it is possible to increase and, in detail, it double the capacity by matching two catamaran crafts, with minimal burden in terms of engaged crew and management costs of the catamaran boat.
- An important advantage is represented by the fact that the catamaran craft, thanks to the innovative arrangement of the motor and directional means, ensures a high maneuverability to the catamaran boat.
- In fact, their arrangement between the hulls ensures, in every condition, the presence of an optimal flow affecting the motor and directional means and, therefore, their optimum performance.
- Furthermore, the possibility of exploiting, in addition to the rudder, an azimuth thruster to generate a torque rotating the catamaran craft and/or the catamaran boat, allows to considerably reduce the maneuvering spaces of the catamaran boat itself.
- 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 coupling of two catamaran crafts imposes geometric characteristics appropriate of the respective aft zones, for which it is extremely advantageous to use catamaran crafts with a hull of the catamaran type.
- 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.
- The use of 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.
- Furthermore, 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 fact that the two catamaran crafts are identical is extremely advantageous also for the ship production, basically for two aspects: on the one hand, mass-producing always the same catamaran boat greatly reduces the costs related to the production process; on the other, it is possible to meet very different requirements, with respect to the volume of cargo to be transported, reducing time, space and job costs.
- Advantageously, 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.
- Preferred embodiments are highlighted in the sub-claims.
- The characteristics and advantages of the invention are clarified below by the detailed description of one or more preferred embodiments of the invention, with reference to the accompanying drawings, in which:
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Fig. 1 represents, in an axonometric view, a catamaran boat according to the invention; -
Fig. 2a shows a component of the catamaran boat ofFig. 1 ; -
Fig. 2b shows a different component part of the catamaran boat ofFig. 1 ; -
Fig. 3a shows a different view of the component ofFig. 2a ; -
Fig. 3b is a different view of the component ofFig. 2b ; -
Fig. 4 presents another axonometric view of the component ofFig. 3b ; -
Fig. 5 is a side view of the component ofFig. 3b ; -
Fig. 6 shows, in axonometric view, the catamaran boat ofFig. 1 during a step of assembly; -
Fig. 7 shows the components ofFigs. 2a and 2b side by side; -
Fig. 8 is an assembly of the catamaran boat; -
Fig. 9 shows a sub-assembly ofFig. 8 ; -
Fig. 10 shows, in axonometric view, the catamaran boat; -
Fig. 11 shows the catamaran boat in a different time with respect toFig. 10 ; -
Fig. 12 shows some parts of the component ofFig. 2b ; -
Fig.13 is an assembly of the catamaran boat distinguished from that ofFig. 8 ; -
Fig. 14 shows a detail ofFig. 13 ; -
Fig. 15 shows another example of catamaran boat according to the invention; -
Fig. 16a shows a further example of catamaran boat according to the invention; -
Fig. 16b shows another view of the catamaran boat ofFig. 16a ; -
Fig. 17a is an additional example of catamaran boat according to the invention; -
Fig. 17b shows another view of the catamaran boat ofFig. 17a ; -
Fig. 18 shows an assembly alternative to that ofFig. 7 ; -
Fig. 19a is a detail ofFig. 18 ; and -
Fig. 19b is the detail ofFig. 18a in a different position. - In this document, measures, values, shapes and geometric references (as squareness and parallelism), 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. For example, such terms, when associated to a value, preferably indicate a divergence of no more than 10% of the value itself.
- Furthermore, when used, terms such as "first", "second", "upper", "lower", "main" and "secondary" do not necessarily identify an order, a priority of relationship or relative position, but can simply be used for more clearly distinguish between them different components.
- With reference to the mentioned figures, the catamaran boat according to the invention is globally indicated with the number1.
- It is designed to be used for the sea navigation or in inland waters (or protected). In particular, the catamaran boat 1can 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 and3a ) and asecond catamaran craft 1b (Figs. 2b and3b ). In particular, it is obtained by the stable connection of twocatamaran crafts - Each of said
catamaran crafts bow directional means first catamaran craft 1a can act independently and therefore comprises afirst bow 2a, a first stern 3a, first motor means 4a, firstdirectional 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 asecond bow 2b, a second stern 3b, and one between the second motor means 4b and seconddirectional means 5b. Preferably, eachcatamaran craft bow directional means - Preferably, each
catamaran craft means catamaran craft catamaran boat 1. - Said motor means 4a, 4b comprises, for each
catamaran craft respective bow area directional means respective aft area - 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 axis - The
means catamaran craft 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. - The hull of each
catamaran craft structure 6, consisting of a bridge and, preferably, of a superstructure formed by the sidewalls 7and aceiling 8. - The structure of the
aft area catamaran craft - Each
catamaran craft side hulls 100 on which it is leaned and among which thestructure 6 essentially underlies. - The
side hulls 100 of eachcraft contact face respective contact face other catamaran craft catamaran boat 1 and/or of thesingle catamaran craft - 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 - It is shown how the
means structure 6 and, suitably, placed between the side hulls100. - With reference to
Figs. 4, 5 and7 , eachcatamaran craft transverse bulkheads 9a and 9'a, 9b and 9'b, placed at the last two structural frames of the supportingstructure 6 confined in theaft area -
Such bulkheads 9a and 9'a, 9b and 9'b, identify acompartment 29a, 29b at the end of the stern 3a, 3b of eachsingle catamaran craft single catamaran boat 1. - Through appropriate structural stiffening located in the
compartments 29a, 29b, on the bulkheads 9'a, 9a, 9b and 9'b the stresses that are produced once thecatamaran crafts - Said
first catamaran craft 1a and saidsecond catamaran 1b each comprise coupling means for their mutual stable coupling, obtained matching therelative sterns Figs. 1, 2a, 2b ,3a and 3b and6 ). The contact takes place between the two outerstern bulkheads - Said coupling means comprise:
- alignment means adapted to make coaxial said first and
second catamaran craft - coupling means for said first and
second catamaran craft - locking means adapted to make stable and rigid the coupling of said first and
second catamaran craft - connectors adapted to allow a passage data/energy between the catamaran crafts and, therefore, to a control station to control all directional and motors means of a catamaran boat;
- In addition the coupling means preferably comprise at least one gasket adapted to interpose between the
units Figs. 6 and 7 , said alignment means comprise means of shape-coupling provided on therespective bulkheads catamaran craft - Said form coupling means work in correspondence of said junction transverse plane Î .
- Each
catamaran craft stern bulkhead pyramidal structure pyramidal structure - Therefore, the
first catamaran craft 1a comprises on acontact face 100a a truncatedpyramidal structure 10a and on theother contact face 100a a recess conformed 11a; while thesecond catamaran craft 1b comprises on acontact face 100b a structure like a truncated pyramidal and on theother face 10b ofcontact 100b a recess conformed 11b. - It is highlighted that on the
structures catamaran craft catamaran craft bulkheads 9a and 9'a, 9b and 9'be, suitably, above the waterline of theboat catamarana 1. - Moreover, each
catamaran craft stern bulkhead other units catamaran boat 1, compensating deformations. - Preferably, 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 thesecond 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 thecatamaran boat 1, compensating deformations. - Once the two
catamaran crafts pyramidal structure 10a of saidfirst catamaran craft 1a will be inserted in the recess conformed 11b of saidsecond catamaran craft 1b, while therecess 11a of saidfirst catamaran craft 1a will host the truncatedpyramidal structure 10b of thesecond catamaran craft 1b. In this way the twosterns catamaran crafts entire catamaran boat 1 will thus be substantially symmetrical with respect to the transverse plane of junction Î . With particular reference toFigs. 7, 8 and 9 , said coupled means comprise amovable hook catamaran craft retention cuneiform element 13a, 13b provided on the opposite catamaran craft. When the twocatamaran crafts hook suitable place compartment 29a, 29b defined by thestern bulkheads 9a and 9'a, 9b and 9'b, of the respective catamaran craft (Fig. 7 ), while in the use saidhook stern bulkhead Fig. 8 ). - Said
hook arm 15a, 15b fitted with ahooked end 16a, 16b, and is connected to the opposite end to a slidinghinge 17a, 17b in thestern compartment 29a, 29b. - Said restraining
element 13a, 13b is as the same time provided along avane compartment 29a, 29b of eachcatamaran craft arm 15a, 15b, sliding in saidseat hooked end 16a, 16b saidretention element 13a, 13b and engages itself as shown inFig. 9 . - Once the hooked tail of the
arm 16a, 16b has overcome saidretention element 13a, 13b and, ahydraulic piston 19a, 19b, provided at the opposite end of the hook arm, through the hinge sliding 17a, 17b, exerts a traction force in approaching such as to keep the twosterns catamaran craft - Said locking means comprise a
panel catamaran craft opposite catamaran craft Figs. 7 ,10, 11 ). - Said
panel vertical axis 21a, 21b, to the outside of the structural bulkhead 9'a, 9'b facing the stern. - Said
panel hinge 21a, 21b, is adapted to be fixed stably on the whole both of the twoaft bulkheads structural compartments 29a, 29b of the twoopposite catamaran craft - The same function of stable fixing between the
catamaran craft hook jaw coverage plan 8 of the hull of each catamaran craft (Figs. 10- 14 ). - Said hook is substantially constituted by a
lever arm 23a, 23b to one end of which is provided with ajaw 24a, 24b adapted to cooperate engaging acorresponding retention element 25. - Said retaining element is obtained by a
suitable shaping stern bulkhead portions 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 twoexternal bulkheads catamaran craft - Once hooked, a
hydraulic piston 27a, 27b provided at the opposite end of thelever arm 23a, 23b allows to exercise a grip such as to tighten saidjaw 24a, 24b around saidretention element 25 and maintain tight, one against the other, the projectingportions stern bulkheads Fig. 14 ), thus adding a further locking element to the twocatamaran crafts - The assembling of the
catamaran boat 1 takes place in three distinct phases: - approaching of said first and said
second catamaran craft Fig. 6 ), - aligning and coupling of the two
catamaran crafts Figs. 6, 8 and 9 ); - looking stable and secure of the two
catamaran craft Figs. 10, 11 ). - The approaching operation between the sterns of the
catamaran crafts Fig. 6 ). The optimal conditions to perform them approaches maneuvers provide calm water and are therefore to be executed in port areas. - During the aligning operation, an operator disengages the
hooks catamaran crafts Figs. 7 and 8 ). - When the complete rotation has been operated, from each
catamaran craft hook - In the early stages of approaching, the headway allows to the extended hooks to slide inside the corresponding
seats opposite catamaran craft elements 13a, 13b. Once, thanks to headway, 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 thepiston 19a, 19b of each arm, close the hooks on the relative holding elements (Fig. 9 ) bringing into stable contact the two catamaran craft. - To guarantee the final centering the two
pyramidal structures recesses - After the centering phase, the two
catamaran crafts - 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 ). - In the example primary for locking has been considered the actuation of the revolving panels and secondary the tightening of the coupling jaws. Nothing would change if the drive of the elements were reversed.
- The
panels catamaran craft 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 thecompartments 29a, 29b. - After the rotation of the panels, they act the
jaws 24a, 24b. - When the locking is completed 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 twoazimuth thrusters rudder blade - The captain, with the aid of a joystick, 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.
- In detail, 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.
- By way of example, the fundamental maneuvers that can perform the
catamaran boat 1 are reported: translation, turning and turning on site. - During translation, 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. - During the turn, the
catamaran boat 1 moves his center of gravity on a tangent to the curve while maintaining the same fore-aft direction. To make a turn 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. - Finally, during the rotation on site, the boat catamarana, with center of gravity fixed, rotates the fore-aft direction: to perform a rotation on site both the thrusters must be rotated of the same angle equal to 90°, in opposite directions.
- Optionally, the
catamaran boat 1 comprises, in addition tocatamaran craft catamarans craft catamaran boat 1. in this case, thecatamaran boat 1 is obtained by the stable coupling of twocatamaran craft 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. In particular, it is a multihull and comprises two intermediate lateral hulls 28e, anintermediate support structure 29 coated by intermediate sidewalls and an intermediate ceiling. - In some cases 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 theaforesaid means catamaran craft 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. - In addition, each
intermediate craft catamaran 1c comprises, at the intermediate bow and stern, the intermediate coupling means able to allow to link intermediate craft to thecatamaran craft - The intermediates coupling means comprise:
- intermediate aligning means adapted to make coaxial either a
craft 1c withcatamaran craft intermediate catamaran craft 1c are present, the sameintermediate catamaran craft 1c; - intermediate coupling means for said first and
second catamaran craft - intermediate locking means adapted to make stable and rigid the coupling between
craft 1c with at least one of thecatamaran craft intermediate catamaran craft 1c; and, suitably, - intermediate connectors and, more suitably,
- and, optionally, at least one intermediate seal both arranged to interpose between a
craft 1c and at least one of thecatamaran craft intermediate catamaran craft 1c avoiding the entry of water between the craft when mutually constrained by joining means and, preferably, compensating the deformations. - The intermediates coupling means are similar to the coupling means of the
catamaran craft means - Advantageously, as illustrated in
Fig. 15 , a non-claimedintermediate catamaran craft 1c may comprise at least one additionalintermediate hull 30 adapted to improve the stability of thecatamaran boat 1. In particular, theintermediate catamaran craft 1c comprises at least one and, to be precise, exactly two intermediateadditional hulls 30 located externally to theintermediate side hulls 28 and, in particular, on opposite sides of theintermediate side hulls 28, so as to enclose between them the sameintermediate side hulls 28. - Said additional
intermediate hulls 30 have a section that can suitably be smaller than the intermediate section of theside hulls 28. - The
additional intermediates hulls 30 properly have a length smaller than the length of theintermediate side hulls 28. Alternatively, theadditional intermediates hulls 30 suitably have a length at least equal and, specifically, greater than, the length of theintermediate side hulls 28. - Finally, in some cases, with reference to Figg.16 and 17 the
catamaran boat 1 comprises a only catamaran craft acting independently and defining abow 2, a stern 3 and a median axis x. - The catamaran craft comprises a catamaran hull and, in detail, two
side hulls 100; a supportingstructure 6 connecting theside 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 thebow 2 or stern 3; anddirectional means 5 adapted to define, properly together with the motor means 4, the direction of advance of the catamaran craft and, therefore, thecatamaran boat 1 and placed on the opposite side of the motor means 4 and, therefore, selectively at the stern 3 orbow 2. - Particularly, the motor means 4 are at the
bow 2 and thedirectional means 5 at the stern 3 (Figs. 17a and 17b ). Alternatively, 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 thestructure 6 and, preferably, placed between theside 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 axis - The
axes - 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 thecatamaran 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. - Preferably, 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, called superstructure, can be bound to the bridge from the top and formed by
sidewalls 7 and aceiling 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 thecatamaran boat 1. Alternatively, theside hulls 100 have, as shown inFig. 18 , one end, preferably thebow 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 invention is susceptible of variations falling within the scope of the inventive idea. All of the details can be replaced by equivalent elements, and the materials, shapes and sizes can be of any nature and magnitude.
- For example, the coupling means and the locking means may substantially coincide and, in particular, comprise at least one compression fitting (
Figs. 18, 19a, 19b ). - Additionally, the
units catamaran crafts - In particular, the
first catamaran craft 1a, as shown inFig. 18 , comprises at least one first compression fitting 31a disposed at the stern 3a. Preferably, thefirst catamaran craft 1a comprises twofirst compression fittings 31a placed at stern 3a. - The first compression fitting 31a, as well as the second 31b, comprises a
first coupling pin 311b integral with thesecond catamaran craft 1b; afirst boom 312a having one end hinged to thefirst catamaran craft 1a; a firstadditional arm 313a provided with afirst hook 314a committed to thefirst pin 311b and having the end, opposite to saidfirst hook 314a, hinged to thefirst boom 312a; and a firstlinear actuator 315a having one end hinged to thefirst catamaran craft 1a and the other to the point of pivoting between thefirst arms - The
first pin 311b is disposed in asecond vane 18b. - The
first arms first hook 314a and the firstlinear actuator 315a are placed in afirst seat 18a. - The first
linear actuator 315a controls, as a function of its length variation (preferably an elongation), a mutual rotation of thefirst arms first catamaran craft 1a. - Said rotation leads the
first hook 314a outside thefirst seat 18a by placing it in thesecond seat 18b and, then, committing it to thefirst pin 311b. - Such commitment of the
first hook 314a to thefirst pin 311b defines an articulated triangle in which the first boom is hinged, at its ends, to thefirst catamaran craft 1a and the firstsupplementary arm 313a which, in turn, is hinged through thefirst hook 314a to thefirst pin 311b and, then, to thesecond catamaran craft 1b (Fig. 19a ). - At this point, 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 onfirst arms second catamaran craft 1b to thefirst catamaran craft 1a (Fig. 19b ). - The
second catamaran craft 1b, as shown inFig. 18 , comprises at least one compression fitting 31b arranged/placed at the stern 3b and, in particular, twocompression fittings 31b placed at the stern 3b. - The second compression fitting 31b comprises a
second pin 311a integral with thefirst catamaran craft 1a; asecond boom 312b having one end hinged to thesecond catamaran craft 1b; a secondadditional arm 313b equipped with asecond hook 314b committed to thesecond pin 311a and having the end, opposite to saidsecond hook 314b, hinged to thesecond boom 312b; and a secondlinear actuator 315b having one end hinged to thesecond catamaran craft 1b and the other to the point of pivoting between thesecond arms - The
second pin 311a is disposed in afirst seat 18a. - The
second arms second hook 314b and the secondlinear actuator 315b are placed in asecond seat 18b. - The second
linear actuator 315b controls, as a function of its length variation (preferably an elongation), a mutual rotation of thesecond arms second catamaran craft 1b. - Said rotation leads the
second hook 314b outside thesecond seat 18b by placing it in thefirst seat 18a and, then, committing it to thesecond pin 311a. - Such commitment of the
second hook 314b to thesecond pin 311a defines an articulated triangle in which thesecond boom 312b is hinged, at its ends, to thesecond catamaran craft 1b and the secondadditional arm 313b which, in turn, is hinged, through thesecond hook 314b to thesecond pin 311a and, then, to thefirst catamaran craft 1a (Fig. 19a ). - At this point, 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 onsecond arms first catamaran craft 1a to thesecond catamaran craft 1b (Fig. 19b ). - The additional reference means of each
catamaran craft stern bulkhead catamaran crafts - 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.
Claims (10)
- A catamaran boat (1) comprising:- a first catamaran craft (1a) that works independently, having a main direction of longitudinal development along a median axis (x) and comprising a bow (2a), a stern (3a), motor means (4a) and direction means (5a);characterised in that it further comprises:- a second catamaran craft (1b) that works independently, having a main direction of longitudinal development along a median axis (x) and comprising a bow (2b), a stern (3b), motor means (4b) and direction means (5b),- wherein both said first catamaran craft (1a) and said second catamaran craft (1b) comprise coupling means for their mutual stable connection, obtained by fitting their sterns together (2a, 2b), on a transverse junction plane (Î ), in order to realize said catamaran boat (1) adapted to work as a single unit.
- The catamaran boat (1) according to claim 1, characterized in that:- said motor means (4a, 4b) comprise an azimuth thruster, provided on each catamaran craft (1a, 1b) at bow (2a, 2b);- said direction means (5a, 5b) comprise a rudder blade provided on each catamaran craft (1a, 1b) at stern (3a, 3b),- wherein said motor means (4a, 4b) and the direction means (5a, 5b) are provided along said median axes (x).
- The catamaran boat (1) according to claim 1, characterized in that said first catamaran craft (1a) and said second catamaran craft (1b) are identical and the hull resulting from their coupling is substantially symmetrical with respect to the transverse junction plane (Î ).
- The catamaran boat (1) according to claim 1, characterized in that said coupling means comprise:- aligning means (10a, 10b, 11a, 11b) adapted to make the first (1a) and the second (1b) craft coaxial;- coupling means (12a, 12b, 13a, 13b, 14a, 14b, 15a, 15b, 16a, 16b, 17a, 17b, 18a, 18b, 19a, 19b) for said first (1a) and second craft (1b);- locking means (20a, 20b, 21a, 21b, 22a, 22b, 23a, 23b, 24a, 24b, 25, 26a, 26b, 27a, 27b) adapted to make the coupling of said first (1a) and second craft (1b) stable and rigid.
- The catamaran boat (1) according to claim 4, characterized in that said aligning means comprise shape-coupling means (10a, 10b, 11a, 11b) provided at said sterns (3a, 3b).
- The catamaran boat (1) according to claim 4, characterized in that said coupling means work along the main direction of longitudinal development of said first (1a) and said second (1b) craft and include a movable hook (12a, 12b) provided on each craft, adapted to interact with a respective retaining element (13a, 13b) provided on the opposite craft.
- The catamaran boat (1) according to claim 4, characterized in that said locking means comprise a panel (20a, 20b) rotationally associated with each craft (1a, 1b) and adapted to rotate in order to be firmly fixed to the opposite craft (1b, 1a).
- The catamaran boat (1) according to claim 4, characterized in that said locking means comprise a jaw hook (22a, 22b) provided a cover wall (8) of each craft (1a, 1b) and adapted to engage a respective retaining element (25) obtained by the coupling of said first (1a) and said second (1b) craft.
- The catamaran boat (1) according to claim 8, characterized in that said jaw hook (22a, 22b) comprises a hydraulic piston (27a, 27b) adapted to exert a force to the jaw in order to clasp said retaining element (25).
- The catamaran boat (1) according to claim 2, characterized in that the azimuth thrusters (4a, 4b) of said first (1a) and said second (1b) craft rotate independently around their axis to ensure the handling of said craft (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HRP20182094TT HRP20182094T1 (en) | 2014-08-04 | 2018-12-11 | Catamaran boat |
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 (en) | 2017-06-14 |
EP3177518B1 true EP3177518B1 (en) | 2018-09-19 |
Family
ID=51663308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15760280.6A Active EP3177518B1 (en) | 2014-08-04 | 2015-07-31 | Catamaran boat |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3177518B1 (en) |
CA (1) | CA2957373A1 (en) |
HR (1) | HRP20182094T1 (en) |
HU (1) | HUE042658T2 (en) |
WO (1) | WO2016020814A1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE443241A (en) * | ||||
ES2405704B1 (en) * | 2010-09-11 | 2014-03-26 | Jose Nieto Leon | ASSEMBLY OF ASSEMBLY ELEMENTS AND UNION OF BOATS AND FLOATING STRUCTURES OF MODULAR CONSTRUCTION |
-
2015
- 2015-07-31 CA CA2957373A patent/CA2957373A1/en active Pending
- 2015-07-31 EP EP15760280.6A patent/EP3177518B1/en active Active
- 2015-07-31 HU HUE15760280A patent/HUE042658T2/en unknown
- 2015-07-31 WO PCT/IB2015/055832 patent/WO2016020814A1/en active Application Filing
-
2018
- 2018-12-11 HR HRP20182094TT patent/HRP20182094T1/en unknown
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP3177518A1 (en) | 2017-06-14 |
WO2016020814A1 (en) | 2016-02-11 |
CA2957373A1 (en) | 2016-02-11 |
HUE042658T2 (en) | 2019-07-29 |
HRP20182094T1 (en) | 2019-02-22 |
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