Patent ID: 6438793
Filing Date: 2002-08-27
Classification: A47L,B01F,C11D,F16K,H05B

Abstract:
A portable surface cleaning apparatus, comprising:a cleaning module for movement along a surface and having a forward portion; a fluid recovery system on the cleaning module and comprising: a tank having a fluid recovery chamber for holding recovered fluid; a suction nozzle associated with the cleaning module; a working air conduit extending between the tank and the suction nozzle; a vacuum source including an impeller in fluid communication with the recovery chamber for generating a flow of working air from the nozzle through the working air conduit and through the recovery chamber to thereby draw dirty liquid from the surface to be cleaned through the nozzle and working air conduit and into the recovery chamber; a liquid dispensing system on the cleaning module and comprising: a liquid dispensing nozzle for applying liquid to a surface to be cleaned; a fluid supply chamber for holding a supply of cleaning fluid; a fluid supply conduit including a pump fluidly connected to the fluid supply chamber and to the dispensing nozzle for supplying cleaning fluid to the dispensing nozzle, the pump including a pump drive shaft for driving the pump; an agitator brush mounted in the cleaning module for agitating a surface to be cleaned; a motor associated with the cleaning module and connected to the impeller for driving the impeller, the motor is further mechanically connected to the agitator brush and the pump drive shaft for driving the agitator brush and the pump, whereby the motor drives the impeller, the agitator brush and the pump.