B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/9
B63B 25/00 (2006.01) B63B 25/08 (2006.01) B63B 27/00 (2006.01) B63B 35/00 (2006.01) B63B 35/40 (2006.01) B63B 35/50 (2006.01) B63B 35/52 (2006.01)
Patent
CA 1157709
IMPROVED TANKER VESSEL CONSTRUCTION ABSTRACT A tanker vessel for carrying liquid cargoes having a specific gravity which is less than that of sea water. The vessel includes a hull, comprising a bottom and sides, a top deck and at least one cargo compartment. The top deck is located at a distance above the hull bottom which is approximately equal to H(Sw/Sc), where H represents the distance from the bottom of the vessel to its waterline, Sw represents the specific gravity of sea water, and Sc represents the specific gravity of the liquid cargo. The compart- ment is filled with cargo to a point below the top deck of the vessel which is located at a distance above the vessel's bottom which is approximately equal to H(?)- .03H. In another embodiment, the top deck is located at a distance above the hull bottom which is approxi- mately equal to H(SW/ScL), where ScL represents the specific gravity of the lightest cargo the vessel is adapted to carry, and swash bulkheads extend downwardly from the top deck into the cargo compartments to a point located at a distance above the vessel's bottom which is approximately equal to H(? ) - .35H, for damping sur- face movement of the cargo during movement of the vessel. The compartments are filled with cargo to a point below the top deck located at a distance above the vessel's bottom which is approximately equal to H(Sw/Sc), where Sc represents the specific gravity of the cargo stored in the compartments.
384309
Conway Charles S.
Sim & Mcburney
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