G - Physics – 05 – D
Patent
G - Physics
05
D
341/38
G05D 7/06 (2006.01) B63B 13/00 (2006.01) B63B 17/00 (2006.01)
Patent
CA 1075793
Abstract of the Disclosure A system is provided for monitoring fluid dis- charged from ships and for determining the amount of con- taminants, such as oil, in the fluid. The discharge from the ship is continuously monitored by a meter which will indicate the oil content of the discharge in, for example, parts per million. The indicated value may be charted for record purposes. The total volume of discharge from the ship and the speed of the ship may also be measured. The three values obtained by the foregoing measurements are processed in computing mechanism and a value is obtained for the amount of contaminants being discharged for each unit distance travelled by the ship. When the afore- mentioned value reaches a predetermined amount, the dis- charge from the ship is interrupted, or reduced, so that at no time do the amount of contaminants discharged from the ship exceed a predetermined allowable limit with re- spect to the speed of travel of the ship. The system is also applicable for controlling the discharge from a ship to limit the concentration of oil in the discharge with- out regard for the speed of the ship or the total volume of the discharge.
244903
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