USA as Represented by Secretary of the Navy

Peter A Chang, Iii

Ray F Schmitt

Dan Bruchman

Carl Schmid

Scott Jackson

Wesley M Wilson

Brian Hill

A method and apparatus for reducing mixing between a first water-type and a second water-type and for increasing the efficiency of ballast water exchange procedures on a ship. The apparatus includes a plurality of ballast water tanks, each having an arrangement to reduce water-mixing. Each arrangement includes a horizontal flow restraining box and two anti-mixing brackets. The ballast water tanks are divided into a plurality of compartments including a main compartment. The arrangement to reduce the water-mixing is provided in the main compartment of each tank.

Ballast structure for reducing water-mixing in ships

A tank within a ship providing for both fuel storage and water ballast, has external walls enclosing compartments formed between internal intersect walls having flow regulating openings therein that are located and sized to establish separate interfaced flow paths along which segregated flows of fuel and water are concentrated to minimize mixing of fuel and water during refueling operation and reduce retention of water within the tank.

Fuel storing water ballast tank internally structured for reducing

Growing community of inventors

Silver Spring, MD, United States of America

Peter A Chang, Iii