Multi-hulled vessel

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 1/14 (2006.01)

Patent

CA 2486489

A cargo carrying nautical vessel (1) is provided, having a plurality of cargo carrying hulls (2a, 2b) connected by at least two connecting structures (3, 4), each connecting structure including legs (5a, 5b, 7a, 7b) of which each is upstanding from a hull and substantially rigidly connected thereto. The connecting structures (3, 4) include flexible sections whereby the hulls (2a, 2b) are to a predetermined extent capable of movement relative to each other. Such movement is provided to reduce the stresses and strains associated with movement in a seaway. Relative movement of the hulls (2a, 2b) is permitted by deflection of the connecting structures (3, 4), a majority of the deflection in each connecting structure occuring remotely from points of connection between said legs (5a, 5b, 7a, 7b) and said hulls. The vessel (1) is intended to be of comparatively low structural weight, draft and cost for its load capacity and particularly well suited to accessing small ports.

L'invention concerne un navire de chargement de marchandises (1), qui comprend une pluralité de coques de chargement de marchandises (2a, 2b) reliées par au moins deux structures de liaison (3, 4) présentant chacune des jambes (5a, 5b, 7a, 7b) qui s'étendent depuis une coque et qui sont reliées à celle-ci de manière sensiblement rigide. Lesdites structures de liaison (3, 4) comprennent des parties flexibles permettant aux coques (2a, 2b) de se déplacer l'une par rapport à l'autre jusqu'à une limite prédéterminée. Un tel déplacement permet de réduire les contraintes et les déformations associées au mouvement induit par un transport maritime. Le déplacement relatif des coques (2a, 2b) intervient au moyen de la déflexion des structures de liaison (3, 4), la majeure partie de la déflexion au sein de chaque structure de liaison se produisant à distance des points de liaison entre chaque jambe (5a, 5b, 7a, 7b) et lesdites coques. Ledit navire (1) est supposé présenter un poids, un tirant d'eau et un coût structural comparativement faibles pour sa capacité de chargement, et est particulièrement approprié à un accès à des ports de petite envergure.

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