CA2793016A1 - Commercial ship equipped with a duplex rigging - Google Patents

Abstract

The present invention relates to a device called a commercial ship equipped with a duplex rig making it possible to use wind energy as the driving force of the ship. The particularity of this device is to use a rigging made up of integral masts in the twin position, each mast being placed on the sides of the hull instead of the classic central position, a ship being able to contain several pairs of duplex masts. This arrangement of the masts has several advantages, including that of reducing the grip of the masts on the structure, that of leaving an optimal space for loading, that of offering a better grip in the wind, that of reducing the heel, and that of positioning masts at very robust structural points. A transverse and longitudinal bracing matched with robust spacers between the duplex masts ensures a very high robustness to the whole. Optionally, thanks to the guying guaranteeing the mechanical seat of the rigging, the masts can be originally mounted on articulations allowing disassembly or tilting facilitating maintenance and navigation in areas with low air draft (rivers, mouths, routes sea ...).

Description

ab ,. 02793016 2012-10-18 PATENT
COMMERCIAL SHIP EQUIPPED WITH A DUPLEX RIG
ALAIN NEVEU
DESCRIPTION
The merchant navy is a very important industry oil consumer and a major gas emitter at Greenhouse effect (GHG). This industry is very sensitive to oil prices and little in line with the rules environmental protection laws and laws the environment for the years to come.
The present invention relates to a device referred to commercial vessel equipped with duplex rigging allowing to equip a cargo type commercial vessel such as ro-ro, container ship, tanker, or ferry, so that this one uses wind power as a driving force primary or secondary. This invention makes it possible to remedy the dependence of the conventional navy vis-à-vis the oil and reduce very significantly the oil consumption and pollution by replacing the traditional propulsion by propulsion using free wind energy and non-polluting.
The classic implantation of the mats (2) on a ship is central and aligned along the longitudinal axis (3) of the ship (Fig.la). Commercial vessel with duplex rigging (fig.2) proposes an installation of the masts not in a way central, but in solidarity pairs, each mast of a pair duplex being positioned on both sides of the axis longitudinal (3) (fig.lb). The typical position is position the masts on a line (4) perpendicular to this axis and equidistant from it, as close as possible of the hull to take advantage of the great rigidity of the structure of the hull. The invention described by this patent also covers any non-symmetrical and non-centered layout (fig.lc, ld and the).
The main feature of duplex rigging is to secure the masts by the use of spacers and shrouds making the structure parallelepipedic (fig.2) very robust and resistant to stress mechanical. This structure will also be called portico (13) thereafter. The stowage of this structure on the boat at the hull adds to the robustness of all. It should be noted that the parallelepipedic shape

2 ab ,. 02793016 2012-10-18 rectangle (fig.2a) is taken by default, but that this invention also covers any other form, in particular trapezoidal or polygonal four-sided (Fig.2b). A system allowing the change of shape of the gantry to make the most of the conditions of navigation is also within the scope of the present invention (2C). One can, for example, use a parallelogram deformable by means of stays of variable length (for the use of cranks, winches, winches, turnbuckles, or any other means adapting the length of a cable) allowing to lean the masts on one side or the other of the ship to optimize navigation conditions. The deformation of Gantry can be manual or motorized. In this case, the gantry is mounted on an articulated structure (9) allowing a movement in the lateral direction of the mast.
In addition to the stay and spacers, the gantry consisting of both masts is also guyed in the direction longitudinal axis (fig.3) to ensure its stability and overall robustness. The positioning of the stay cables longitudinal features can recover various configurations, individually (fig.3a) or in series (fig.3b), or combination of these configurations. The combination of longitudinal stays (12) and gantry stay gives great rigidity to the entire rig

3 ab ,. 02793016 2012-10-18 while minimizing the size of the components (masts, spacers, shrouds, legs ...) involved in this structure working in the best direction of the point of view of the resistance of materials (in compression for poles and spacers, and in extension for guy lines), bending, twisting and canting efforts being reduced to a minimum. The base of the masts is declined according to several versions, from a simple attachment to the bridge (7) up to a combination of elements (8, 9, 10 and 11) allowing the mast to have a lateral rotational movement and / or longitudinal according to the wishes of the designer of the ship.
The sail configurations that can be attached to the duplex rigging can be of any type and do not limit this invention has a particular configuration. However, the special configuration of the rig allows the implantation a central sail (14) positioned between the masts and allowing certain paces to increase the strength propulsive of the ship. The implementation of this sail on the double mast offered by the duplex rig is not limiting. It can be fixed horizontally from a system of double booms sliding on the masts, on rails fixed on the masts, on a stay, it can be fixed on one of the masts then unrolled in the direction

4 ab ,. 02793016 2012-10-18 vertical, or any other configuration allowing position this sail according to the wishes of the crew and ship designer (horizontal position deployed (fig.6a), high horizontal position (fig.6b), position horizontal low (fig.6c), horizontal position intermediate (fig.6d), vertical position deployed (fig.6e), or intermediate vertical position (fig.6f)).
The number of gantries (13), the number of spacers (6), the placement of the stays are not limiting and include any type of configurations based on a combination of these criteria.
A ship may have several duplex portals in depending on its size or the choice of ship designers.
The anchorage of the duplex gantry on the ship can recover several situations, the width of the gantry can be lower (fig.4a), equal (fig.4b) or superior (fig.4c) to the width of the hull, but it is recommended to anchor the masts as close to the edge as possible of the hull in order to have the widest possible width of gantry and the best solidity, an anchorage directly on the hull offering good guarantees of robustness, avoiding reinforcement of the bridge and the necessary hull when the masts are in central position. A

5 positioning of masts with a width greater than shell (fig.4c) may, however, be of interest in of airworthiness by providing a larger area of wing.
The cable-stayed structure of the portico offers the possibility to be mounted on an articulated base allowing the tilting of the gantry in the longitudinal direction (Fig.5). This articulation (10) allowing the rotation of the gantry in the longitudinal direction can be associated with the lateral articulation (9) previously described, without prejudge the order in which these joints are mounted (in the case where both joints coexist on the same portico). Thus, the longitudinal stays can also be used to unfold and fold the porticos to maintenance, navigation (in case of a storm, for example), or to access areas not providing adequate draft (passage under bridges in particular).

6 ab ,. 02793016 2012-10-18 PATENT
COMMERCIAL SHIP EQUIPPED WITH A DUPLEX RIG
ALAIN NEVEU
DRAWINGS
DRAWINGS illustrating the invention:
The figures presented below have for no other purpose than to illustrate the description and claims of this patent and in no way constitute a limitation of the textual form. In particular, the shape of the boat, the profile of the masts, the shape of the mast supports, the mast articulation mechanisms, the number and the location of the stays and spacers, the positioning of the gantries may have different characteristics.
Fig.1: classic rigging and duplex rigging = Fig.1a: classic rigging = Fig.lb: Symmetrical duplex rigging centered = Fig.lc: asymmetric duplex rigging centered = Fig.ld: eccentric balanced duplex rigging cip ,. 02793016 2012-10-18 = Fig.le: eccentric asymmetrical duplex rigging Fig.2: duplex rigging = Fig.2a: symmetrical duplex rigging = Fig.2b: polygonal duplex rig with 4 sides any = Fig.2c: deformable duplex rigging = Fig.2d: articulated anchorage of a mobile duplex rigging Fig.3: longitudinal bracing = Fig.3a: individual longitudinal bracing = Fig.3b: longitudinal strutting in series Fig.4: Gantry anchors (transverse views) = Fig.4a: narrow portico = Fig.4b: gantry adapted to the hull = Fig.4c: wide gantry Fig.5: tilting of the gantry = Fig.5a: untagged gantries = Fig.5b: gantry being switched = Fig.5c: folded gantries Fig.6: central veil = Fig.6a: deployed central sail = Fig.6b: high position central sail = Fig.6c: central sail low position = Fig.6d: central sail intermediate position List of references 1 hull of the boat 2 Mast 3 Longitudinal axis 4 Lateral axis 5 Lateral haunch 6 Spacer

7 Bridge

8 Axis

9 Mast Fixing Rod (Lateral Joint)

10 Mast Fixing Rod (Longitudinal Joint)

11 Support

12 Longitudinal Shroud

13 Gantry

14 Central sail

Claims

Claim 1 Device concerning a commercial vessel (cargo, bulk carrier, container ship, ship transporting products tankers) equipped with a sail propulsion system characterized by positioning the masts in pairs integral forming a rigid structure (called rigging duplex) by means of stays (5) and spacers (6) (fig. 2). The structure takes the form of a portico (13) whose the two uprights are formed by the masts, the spacers and shrouds constituting the horizontal links. The number of spacers and their respective stays is variable, a duplex rig may consist of a unspecified number of struts and shrouds.
Claim 2 Device according to Claim 1, characterized by a positioning of the gantry on the ship according to a symmetrical (fig. 1b) or asymmetric centered layout (fig.1c), the symmetry referring to an angle of 90 °
between the alignment axis of the masts (4) and the longitudinal axis of the ship (3).
Claim 3 Device according to claims 1 and 2 characterized by a centered or eccentric positioning of the gantry by relative to the longitudinal axis of the vessel (fig.1d and 1e).
Claim 4 Device according to claims 1 and 2 and 3, characterized by a portico having a varied geometry not limiting to the rectangular parallelepiped shape typical. The masts can have different lengths and different spacings between the top and the bottom (fig. 2b), and meet a four-sided polygonal shape any.
Claim 5 Device according to the above claims characterized by the possibility of adding a joint (9) on the base of the masts allowing them to pivot in a lateral direction with respect to the axis longitudinal (3) of the vessel (fig. 2c and 2d).
Claim 6 Device according to the above claims characterized by the possibility of adding a articulation (10) on the base of the poles allowing these pivot in a longitudinal direction by relative to the longitudinal axis of the vessel (fig.2d). Agree with this claim and claim 5, the base masts can therefore be rigid (no articulation and no tilting possible), sideways hinged, hinged longitudinally, or articulated both laterally and longitudinally (in this case, the order of arrangement of joint does not matter, the lateral joint may overlap the longitudinal joint or vice versa).
Claim 7 Device according to the above claims, characterized by the possibility of modifying the shape of the portico. This modification can be done manually by intervening on the gantry or automatically if the Guying of the gantry allows this. In particular, an action on the guying (5) of the gantry can modify its tilt and provide navigation conditions different (fig. 2c and 2d). This claim must be coupled with claim 5 to be possible.
Claim 8 Device according to the above claims characterized by the use of one or more gantries according to the size of the ship or the wishes of its designers.
Claim 9 Device according to the above claims characterized by one or more guyed gantry (s) in longitudinal direction in order to ensure stability and robustness of the portal (s) (fig. 3a and 3b).
Claim 10 Device according to the above claims characterized by the possibility of tilting the masts in modifying the length of the longitudinal stays in order to decrease the air draft or fold the masts on the deck upper part of the vessel (fig. 5).
Claim 11 Device according to the above claims characterized by the possibility of setting up a sail central (14) between the duplex masts. The implementation of this sail on the double mast offered by the duplex rigging is not restrictive and can cover different types of supports (horizontal deployment on systems based on mobile booms, shrouds, boom / shroud hybrid, vertical deployment on systems similar to horizontal deployment, or any other system allowing flexible positioning of the central sail. This system allows several types of configuration of the sail: horizontal position extended (fig. 6a), position upper horizontal (fig. 6b), lower horizontal position (fig.6c), intermediate horizontal position (fig.6d), upright extended position (fig.6e), or vertical position intermediate (fig. 6f).