Ships – Ballasting – Water tanks
Patent
1974-03-18
1976-03-16
Blix, Trygve M.
Ships
Ballasting
Water tanks
114 74R, 220 22, B63B 2512
Patent
active
039438732
ABSTRACT:
A ballasting system for oil tankers and other ships for separating the oil nd the water ballast which eliminates oil contamination and pollution in ballasting and deballasting ships. Flexible fabric-reinforced or stretchable membranes are attached in liquid sealing relationship within the oil tank all around at the athwartships quarter-points to thereby preclude flow between the oil and ballast water. Ballast water is contained in the tank on one side of the membranes while the oil cargo or the flowable cargo is separated on the other side of the membranes. The entire tank can be maintained full for ship stability and prevention of sloshing of the fluids.
REFERENCES:
patent: 2696185 (1954-12-01), Snoddy
patent: 3085533 (1963-04-01), Goryl et al.
patent: 3477401 (1969-11-01), Hayama
patent: 3499410 (1970-03-01), Field et al.
patent: 3707937 (1973-01-01), Liles
Hering Frederic S.
Schwartz Joseph I.
Blix Trygve M.
Frankfort Charles E.
Hodges Q. E.
Sciascia R. S.
The United States of America as represented by the Secretary of
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