Closed loop surface cleaning system

Details Closed loop surface cleaning system Closed loop surface cleaning system

1993-11-04

1995-11-28

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

153401, 15353, A47L 534

Patent

active

054695970

ABSTRACT:
The present invention relates generally to an environmentally sensitive cleaning system, and more specifically relates to a closed loop high pressure cleaning system for cleaning surfaces without dislodging contaminants into the storm water drain or to the environment. The present invention is directed to a method and apparatus that satisfies this need. The apparatus comprises an established volume of fluid sufficient to circulate through the system, a pump to pressure the fluid to a cleaning head, a vacuum system to return the contaminated fluid to the system, and a filter means to remove the contaminants from the fluid so that clean fluid can be reintroduced to the cleaning head. The method comprises the steps of increasing the pressure of a fixed volume of fluid in a closed-loop system, jetting or blasting the surface with the pressurized fluid, vacuuming the blasted fluid into the system, and removing the contaminants from the fluid.

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