Geostationary anchoring and riser arrangement on a ship

Details Geostationary anchoring and riser arrangement on a ship Geostationary anchoring and riser arrangement on a ship

2007-02-01

2011-11-22

Venne, Daniel (Department: 3617)

Ships

Anchoring arrangement

Reexamination Certificate

active

08061291

ABSTRACT:
A geostationary anchoring and riser arrangement in a vessel comprises a rotating body (11), which is mounted in a vertical shaft (6) in the vessel (1) by axial and radial annular bearings (31, 32). Above the upper axial and radial bearing (31, 32) is mounted a dynamic primary seal (35), thereby establishing a dry space above the bearings, in the shaft (6). Under the bearing is mounted a secondary seal (41). A fluid manifold (28) is placed in the dry shaft space.

REFERENCES:
patent: 4892495 (1990-01-01), Svensen
patent: 5316509 (1994-05-01), Boatman et al.
patent: 5346314 (1994-09-01), Perratone et al.
patent: 6502524 (2003-01-01), Hooper
patent: WO 85/03048 (1985-07-01), None
patent: WO 00/40458 (2000-07-01), None
patent: WO 03/037703 (2003-05-01), None

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