Liquid purification or separation – Structural installation – Geographic
Patent
1989-06-14
1992-02-18
Dawson, Robert A.
Liquid purification or separation
Structural installation
Geographic
114124, 114283, 2101981, 2102421, 239142, B63B 3500
Patent
active
050891200
ABSTRACT:
A boat or vessel particularly designed and adapted for treating bodies of water such as lakes to correct chemical, biological or other imbalances in the aquatic envoronment by accurately dispensing a treatment agent into the water in an amount based upon the volume of water being passed over and continuously determined by detection means for the speed of the boat or vessel carrying the dispensing means and the depth of the water being passed over. The boat includes a main or central hull supported or floated by the water and also stabilized by lateral inwardly and outwardly adjustable pontoons when loaded. The boat includes sparging, or mixing, and above or below water dispensing means to dispense the treatment agent. The pontoons may include tank means particularly in the upper portions and are adjustable inwardly and outwardly as well as fore and aft to both stabilize and trim the vessel. When tanks are used in the pontoons for carrying treatment agent, an equalization tank or means is preferably used to equalize the amount of material in the two pontoon means to maintain transverse trim of the vessel.
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Dawson Robert A.
Drodge Joseph
O'Keefe Joseph J.
Wilkinson Charles A.
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