Tanker for the prevention of cargo oil spillage

Details Tanker for the prevention of cargo oil spillage Tanker for the prevention of cargo oil spillage

1994-03-18

1995-08-29

Swinehart, Edwin L.

Ships

Building

Freighters

B63B 2508

Patent

active

054450977

ABSTRACT:
A tanker which can reliably prevent the outflow of cargo oil from cargo oil tank sections (1, 2, 105, 106) in the ship body in the event of damage or injury to an outer plate (8, 9) of the ship body has a double-sided hull construction (4, 104) arranged on opposite sides of each cargo oil tank in the ship's body and a mid-height deck (3, 118) arranged to divide each cargo oil tank into an upper cargo oil tank (2, 106) and a lower cargo oil tank (1, 105). To reliably prevent the outflow of cargo oil in the event of damage or injury to the ship body due to stranding, collision or similar malfunction, the height (H) of the mid-height deck (1, 118) as measured from the ship bottom (8, 108) is determined so that the pressure of cargo oil exerted on an outer plate of the ship's side wall will not be higher than the pressure of sea water. An access trunk (5, 112) and pressure control devices (6, 7, 113, 114) serve for degassing cargo tank sections.

REFERENCES:
patent: 3399645 (1968-09-01), Dahan
patent: 3745960 (1973-07-01), Devine
patent: 3766875 (1973-10-01), Baki
patent: 4117796 (1978-10-01), Strain
patent: 4241683 (1980-12-01), Conway
API Proceedings of the 1990 Forum on Alternative Tank Vessel Design Jun. 5, 1990.
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"Double Sided Hull with Mid-Height Deck" National Academy of Sciences (USA) Jul. 1990.
"Report on the Tank Design for Prevention and Mitigation of Oil Pollution" Oct., 1990 Ministry of Transport, Japan.
Patent Abstracts of Japan, vol. 3, No. 80 (M-65), Jul. 11, 1979 of JP-A-54-55988.
English Translation of German Publication "Rules for the Classification and Construction of Seagoing Steel Ships", 1980 Edition, vol. 1, Classification Rules-Hull.
English Translation of Seewirthschaft, "BORO-das Universalschiff der Zukunft?", Nov. 1976. vol. 11, pp. 682-683.
English Translation of "Vorschiriften fur Klassifikation und Bau von stahlernen Seeschiffen", Edition 1980, vol. II, Chapters 3 and 5.
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De Book: "Vorschriften fur Klassifikation und Bau von stahlernen Seeschiffen", edition of Germanischer Lloyd, vol. II, sections 15-4 to 6.

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