Stabilized monohull vessel

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 39/06 (2006.01) B63B 35/44 (2006.01) B63B 39/03 (2006.01)

Patent

CA 2314360

Vessel, preferably for petroleum processing and storage, with carrying capacity mainly comprised by one single hull, with a main deck (1). The new and inventive feature is comprised by at least one, mainly horizontally shaped dampening device (1) reaching out from either side of the hull (3) under the water line, extending preferably along the entire length of the vessel. The purpose with, and the effect of the dampening device (2) is to dampen the rolling movements of the vessel, and also for pitch and heave movements. In the preferred embodiment the dampening device (2) has a plurality of vertical apertures (22) allowing limited water through flow. The dampening device (2) with the openings (22) act as a mechanical filter which to a large degree dampens the rolling, pitching and heave movements and let pass long-wave roll, pitch and heave movements, but with dampened amplitude.

L'invention concerne un bateau destiné de préférence au traitement et au stockage de pétrole. Le bateau comprend un pont principal (1) et présente une capacité utile portée essentiellement par une seule coque. L'objet de l'invention est constitué d'au moins un dispositif amortisseur (2) de forme principalement horizontale faisant saillie de chaque côté de la coque (3) sous la ligne de flottaison et s'étendant, de préférence, sur toute la longueur du bateau. Le dispositif amortisseur (2) a pour fonction d'amortir les mouvements de roulis, de soulèvement et de tangage du bateau. Dans la forme de réalisation préférée, le dispositif amortisseur (2) comprend une pluralité d'ouvertures verticales (22) permettant un débit traversier limité de l'eau. Le dispositif amortisseur (2) et les ouvertures fonctionnent ensemble comme un filtre mécanique qui amortit, dans une large mesure, les mouvements de roulis, de soulèvement et de tangage, et laissent passer les mouvements d'ondulation longue du roulis, du soulèvement et du tangage, mais avec une amplitude atténuée.

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