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Edward Kennedy

John William Gilman

An automatic tank clean out system provided in the slurry collection tank a soil reduction system. When the slurry collection tank becomes full, the vacuum system is automatically shut down to prevent the slurry mixture from being drawn into the vacuum pump. When it becomes necessary to empty the slurry collection tank, the liquid contents can be drained through a valve in the tank. A series of nozzles, such as fan nozzles, are provided which are connected to a water supply pipe running axially through the tank. These fan nozzles are actuated to deliver high pressure water to automatically clean the tank.

Tank cleaning system

A reduction system using water pressure and vacuum excavation and including a water supply tank, water pump, vacuum pump, slurry collection tank, a system for tilting the collection tank, handheld reduction tool, and a drive system. The reduction tool, or wand, is used to deliver high pressure fluid, such as water, to the ground in order to loosen soil directly in front of the tool. The tool includes diametrically opposed nozzles which are angled with respect to one another such that pressurized water delivered from the nozzles is directed in a fashion to slice the ground in a generally spiral or helical fashion as the tool is pressed downward into the ground. As the soil is loosened by the pressurized water delivered from the nozzles, the loosened soil is sucked away to form a hole in the ground, and such loosened soil (a slurry when mixed with the water) passes upwardly through the tool in a vacuum air-flow created by the vacuum pump and is deposited in the slurry collection tank.

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Maple Valley, WA, United States of America

Edward Kennedy