Inert gas supply and salvage system for oil tankers

Details Inert gas supply and salvage system for oil tankers Inert gas supply and salvage system for oil tankers

1980-01-25

1982-07-13

Hill, Ralph J.

Ships

Vessel raising and docking

Submerged

B63C 712

Patent

active

043388744

ABSTRACT:
An inert gas supply system suitable for salvaging a damaged oil tanker comprises an inert gas generator (1), a pressurizing blower (5), piping (3, 12), at least one combined purge pipe, pressure indicator and pressure vacuum release device (4) and at least one set of seals and isolating tanks.
The system may be used for reducing hydrocarbon gas accumulations on a damaged tanker to safe levels, pressurizing damaged tanks to improve buoyancy, and maintaining non-flammable atmospheres during off-loading of cargo or discharge of ballast.

REFERENCES:
patent: 2363488 (1944-11-01), Bartlett
patent: 3307512 (1967-03-01), Fell
patent: 3745960 (1973-07-01), Devine
patent: 4144829 (1979-03-01), Conway
patent: 4233922 (1980-11-01), Conway

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