Anchoring arrangement for a tanker, including a fluid transfer s

Details Anchoring arrangement for a tanker, including a fluid transfer s Anchoring arrangement for a tanker, including a fluid transfer s

1984-12-07

1986-08-19

Blix, Trygve M.

Buoys, rafts, and aquatic devices

Buoy

For mooring a vessel

441 4, 114230, B63B 2152

Patent

active

046067272

ABSTRACT:
An anchoring system for a converted tanker, including a fluid transfer line extending from the sea bed to the tanker, uses a vertical hollow shaft which is integrated into the stern portion of the tanker. A buoy, which is generally annular, is located under the vertical hollow shaft and anchored. Attached to the buoy, vertically above the buoy, is a hollow columnar superstructure which is disposed coaxially with the hollow shaft and is unaffected by weather. The superstructure is supported and located in vertical and horizontal directions coaxially inside of the hollow shaft by top and bottom pivot bearings which may be lubricated by sea water. The anchoring per se of the tanker takes place through the hollow superstructure member and the anchored buoy. The shaft and superstructure can be evacuated dry without any sea water, for maintenance personnel to inspect or replace the bearings and for completing repairs to the transfer line which is disposed within the hollow superstructure.

REFERENCES:
patent: 3407768 (1968-10-01), Graham et al.
patent: 3440671 (1967-04-01), Smulders
patent: 3602302 (1971-08-01), Kluth
patent: 3605668 (1971-09-01), Morgan
patent: 3620181 (1971-11-01), Naczkowski
patent: 4321720 (1982-03-01), Havre

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