System for stabilizing a floating vessel

Details System for stabilizing a floating vessel System for stabilizing a floating vessel

1977-04-15

1979-02-20

Blix, Trygve M.

Ships

Ballasting

Water tanks

B63B 3900

Patent

active

041400747

ABSTRACT:
A seagoing vessel is stabilized by a passive system including tanks symmetrically disposed on the vessel below the water line. The tanks are connected by a conduit and pressurized with air to a selected pressure level. During each oscillatory roll and/or pitch cycle of the vessel, the tanks alternately fill and drain with selected volumes of water, thereby to reduce the righting moment of the vessel. The period of oscillation of the vessel is lengthened beyond the period of wave motion.

REFERENCES:
patent: 968927 (1910-08-01), Frahm
patent: 1700406 (1929-01-01), Hammond, Jr.
patent: 3537412 (1970-11-01), Henderson
patent: 3689953 (1972-09-01), Markakis

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