System for control of oil leakage from damaged tanker

Details System for control of oil leakage from damaged tanker System for control of oil leakage from damaged tanker

1992-01-27

1993-08-31

Fox, John C.

Fluid handling

Destructible or deformable element controlled

Destructible element

114 74R, F16L 3708

Patent

active

052400263

ABSTRACT:
Outflow of oil from a damaged tanker having some tanks dedicated for carriage of oil and others for sea water ballast is minimized by transferring oil out of the upper part of any damaged tank to one or more empty ballast tanks. This is accomplished by installing a passageway in bulkheads common to a cargo tank and a ballast tank which is normally closed by a one-shot valve including an annular flange secured to one end of a section of pipe, a blank flange secured to said one end of said pipe by a short, thin, cylindrical sealing ring and a hydraulic hose compressed between the flanges which, when pressurized, ruptures the sealing ring to release the blank flange and open the passageway to allow oil to flow from the damaged cargo tank to a ballast tank.

REFERENCES:
patent: 4519411 (1985-05-01), Tohahashi
patent: 4964437 (1990-10-01), Tomay

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