Patent ID: 6131237
Filing Date: 2000-10-17
Classification: A47L,B01F,C11D,F16K,H05B

Abstract:
A portable surface cleaning apparatus, comprising:a base module for movement along a surface;an upright handle pivotally attached to the base module;a fluid dispensing system including at least one fluid supply tank mounted to the handle or the base module and a dispensing nozzle mounted to the base module for applying a cleaning fluid to a surface to be cleaned;a fluid recovery tank mounted to the handle or the base module for holding recovered fluid;a suction nozzle associated with the base module;a working air conduit extending between the recovery tank and the suction nozzle; anda vacuum source in fluid communication with the recovery tank for generating a flow of working air from the suction nozzle through the working air conduit and through the recovery tank to thereby recover fluid from the surface to be cleaned through the suction nozzle and working air conduit and into the recovery tank;the improvement which comprises:a heater element associated with the fluid dispensing system for heating the fluid to be applied to the surface to be cleaned to a temperature less than boiling.