Tanker ballast

Details Tanker ballast Tanker ballast

1987-04-09

1988-07-26

Peters, Jr., Joseph F.

Ships

Building

Freighters

114121, 114125, B63B 2508

Patent

active

047593075

ABSTRACT:
In order to reduce the economic impact of segregated ballast requirements for tanker vessels, heavy ballast, for example concrete, is placed in the segregated ballast tanks in amount to occupy 30 to 50% of the free volume of the tank. The rest of the tank may be filled with water ballast. The use of heavy ballast provides a total ballast weight equal to that obtainable with a greater number of tanks filled with water ballast only, thus increasing the available cargo space.

REFERENCES:
patent: 688398 (1901-12-01), Dodge
patent: 3318278 (1967-05-01), Huebotter
patent: 3478711 (1969-11-01), Combs
patent: 3543711 (1970-12-01), Peters
patent: 3559609 (1971-02-01), Sydow
patent: 3771485 (1973-11-01), Brunsell
patent: 3804050 (1974-04-01), Iarossi
patent: 3938457 (1976-02-01), Dwyer
patent: 4014280 (1977-03-01), Laxo
patent: 4604960 (1986-08-01), Wachi
Ballast Tankers, U.S. Maritime Administration, PB298 825, Oct. 1978.

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