Tension leg buoyancy structure

Details Tension leg buoyancy structure Tension leg buoyancy structure

1976-08-16

1979-10-02

Blix, Trygve M.

Ships

Floating platform

Multiple leg

405224, B63B 3544

Patent

active

041694244

ABSTRACT:
A tension leg buoyancy structure for use in seas exposed to wave action including a buoyancy section, an anchor section which rests on the sea bed, and a plurality of parallel tethers connecting the buoyancy section with said anchor section to permit the buoyancy section to move relative to the anchor section, in which the natural periods of oscillation follow specified equations such that the value of the parameters is so selected that the natural period of the buoyancy section for linear oscillation in the direction of wave travel, the natural period of the buoyancy section for linear oscillation in a horizontal direction perpendicular to the direction of wave travel, and the natural period of the buoyancy section for rotational oscillation about a vertical axis of said buoyancy section structure are greater than 50 seconds.

REFERENCES:
patent: 2939291 (1960-06-01), Scherman et al.
patent: 3224401 (1965-12-01), Kobus
patent: 3577946 (1971-05-01), Horton
patent: 3648638 (1972-03-01), Blenkarn
patent: 3774563 (1973-11-01), Anderson et al.
patent: 3885511 (1975-05-01), Wipkink et al.

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