Ships – Ballasting – Water tanks
Patent
1991-07-11
1992-10-27
Swinehart, Ed
Ships
Ballasting
Water tanks
114 74R, B63B 3903
Patent
active
051580314
ABSTRACT:
A double hull vessel is disclosed having a novel type of ballast tank element. That ballast tank element has a half-breadth double-bottom ballast tank and a side ballast tank. The half-breadth double-bottom ballast tank has a tank access trunk that is located within the double-side hull. Preferably, that tank access trunk is at least one frame space wide. The side ballast tank is located within the double-hull, and is adjacent to the tank access trunk. Preferably, the ballast tank elements are used in pairs which are adjacent and opposite from each other. These pairs of ballast tank elements can be used in conjunction with double-hull ballast tank elements having no internal subdivisions.
REFERENCES:
patent: 3021808 (1962-02-01), Henry
patent: 3209715 (1965-10-01), Campbell et al.
patent: 3326167 (1967-06-01), Paoli
patent: 3631832 (1972-01-01), Rodriguez
patent: 3745960 (1973-07-01), Devine
patent: 4030438 (1977-06-01), Telfer
Arnett Dennis
Young R. Stewart
Chevron Research and Technology Co.
Keeling E. J.
Schaal E. A.
Swinehart Ed
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