Patent · US Active

Spar hull centerwell arrangement

US9422027B2 · kind B2 · utility

0Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2010
Grant dateAug 23, 2016
Priority date
Expiry dateDec 31, 2033

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B2035/442
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A spar hull centerwell arrangement wherein an adjustable buoyancy centerwell device (ABCD) is disposed within the centerwell of the structure. The adjustable buoyancy centerwell device is rigidly connected to the interior walls of the hard tank and defines an adjustable buoyancy centerwell device within the centerwell. The adjustable variable buoyancy unit is a water and airtight buoyancy chamber that allows the interior ballast to be changed as required. This device can also be used as a storage unit for on board fluids and other produced hydrocarbons.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.