Cylindrical hull structural arrangement
US7188574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2005 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Aug 29, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2035/442
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved floating circular hull construction arrangement. The hull is divided into sections by watertight flats. The flats are stiffened with angles or bulb tees curved to form concentric circles that are in turn supported by the radial girders spaced around the flats and spanning between the inner and outer-shells. In each section, longitudinal girders spaced radially around the inside of the outer-shell terminate at the flats and attach to the flats and do not penetrate the flats. The longitudinal girders are attached to flats aligned with the locations of the radial girders that extend across the flats to the inner and outer shells. A panel stiffening arrangement on the inner circumference of the outer shell is attached to the outer shell and the longitudinal girders. Longitudinal girders spaced around the outer circumference of the inner shell extend along the length of the inner shell and are attached to the radial girders. With the inner and outer longitudinal girders connected to the radial girders, moment resisting frames are created that are arranged radially in each compartment. These frames stiffen the individual girders as well as balance the differential axial loadi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.