Self-propelled, catamaran-type, dual-application, semisubmersible ship with hydrodynamic hulls and columns
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United States of America Patent
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Sep 20, 2016
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app pub date -
Dec 10, 2014
filing date -
Dec 10, 2013
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Abstract
A semisubmersible vessel can comprise: a first hull, one or more columns extending upward from the first hull, a second hull, one or more columns extending upward from the second hull, and one or more cross members joining the first hull or its columns and the second hull or its columns. The first and second hulls are shaped to reduce hydrodynamic drag; the one or more columns can also be shaped to reduce hydrodynamic drag. The hulls include one or more self-propulsion units mounted at various locations for various purposes (e.g., cruising, maneuvering, station-keeping, and so on).
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