IMPROVED TANKER STRUCTURE

Japanese Patent JPS5774288

A

A tanker vessel (10) for carrying liquid cargoes having a specific gravity which is less than that of sea water includes a hull (11) comprising a bottom (12) and sides (13), a top deck (14) and at least one cargo compartment (17). The top deck (14) is located at a distance above the hull bottom (12) which is approximately equal to H(Sw/Sc), where H represents the distance from the bottom (12) of the vessel to its waterline, Swrepresents the specific gravity of sea water, and Sc represents the specific gravity of the liquid cargo. The compartment (17) is filled with cargo to a point below the top deck (14) of the vessel which is located at a distance above the vessel's bottom (12) which is approximately equal to $In\; another\; embodiment,\; the\; top\; deck\; (14)\; is\; located\; at\; a\; distance\; above\; the\; hull\; bottom\; (12)\; which\; is\; approximately\; equal\; to\; H(Sw/Sc@),\; where\; Sc\; @\; represents\; the\; specific\; gravity\; of\; the\; lightest\; cargo\; the\; vessel\; is\; adapted\; to\; carry,\; and\; swash\; bulkheads\; extend\; downwardly\; from\; the\; top\; deck\; (14)\; into\; the\; cargo\; compartments\; (17)\; to\; a\; point\; located\; at\; a\; distance\; above\; the\; vessel\text{'}s\; bottom\; (12)\; which\; is\; approximately\; equal\; to$ for\; damping\; surface\; movement\; of\; the\; cargo\; during\; movement\; of\; the\; vessel.\; The\; compartments\; (17)\; are\; filled\; with\; cargo\; to\; a\; point\; below\; the\; top\; deck\; (14)\; located\; at\; a\; distance\; above\; the\; vessel\text{'}s\; bottom\; (12)\; which\; is\; approximately\; equal\; to\; H(Sw/Sc),\; where\; Sc\; represents\; the\; specific\; gravity\; of\; the\; cargo\; stored\; in\; the\; compartments\; (17).$$

CHIYAARUZU SUCHIYUAATO KONUEI

JP13035681A

May 10, 1982

August 21, 1981

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CONWAY CHARLES S

B63B3/26; B63B11/02; B63B25/08; B63B43/18; (IPC1-7): B63B3/26; B63B11/02; B63B25/12

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