US Patent 7153371 Extraction with chemical exothermic reaction heating
Patent 7153371 was granted and assigned to Bissell Homecare, Inc. on December, 2006 by the United States Patent and Trademark Office.
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An extraction cleaning machine comprising dispensing and recovery systems, the dispensing system including a system for generating heat with an exothermic reaction upon activation for heating the cleaning solution prior to dispensing of the cleaning solution onto a surface. The cleaning solution dispensing system comprises a cleaning solution reservoir to which the heat of the exothermic reaction can be added and a dispenser. The heat of the exothermic reaction can also be added in line to the cleaning solution between the cleaning solution reservoir and the dispenser. The recovery system includes a suction nozzle, a recovery tank and a vacuum source for drawing recovered liquid from the suction nozzle into the recovery tank. A method of cleaning a surface comprises the steps of heating a cleaning solution by an exothermic chemical reaction, applying the cleaning solution to the surface and recovering the cleaning solution from the surface.
US Patent 07153371 Extraction with chemical exothermic reaction heating US Patent 7153371 Extraction with chemical exothermic reaction heating
US Patent 07153371 Extraction with chemical exothermic reaction heating
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