Disclosed are a vessel or an offshore structure including a variable ballast tank. According to an embodiment of the present invention, the variable ballast tank comprises: a partition storing part providing partitions in a hull to be filled with seawater or fresh water as ballast water; and a watertight unit placed inside the partition storing part to remove a free water surface by covering a surface of the water in the partition storing part, and is moved up and down with changes on the surface of the water inside the partition storing part.
VARIABLE BALLAST TANK AND VESSEL AND OCEAN CONSTRUCTION INCLUDING VARIABLE BALLAST TANK
2015-08-19
Patent
Electronic Resource
Korean
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS |
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