SURFACE CLEANING DEVICE AND CLEANING PROCESS FOR CLEANING A PLANAR FLOOR SURFACE
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United States of America Patent
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Issued Date -
Jan 28, 2021
app pub date -
Mar 28, 2019
filing date -
Mar 29, 2018
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Abstract
Surface cleaning device for cleaning an floor surface comprising an inner space forming casing and a liquid dispenser positioned in the inner space. The liquid dispenser 3 comprises a motor driven rotor shaft which defines an axis of rotation. Rotor arms extend radially away from a rotor shaft. Each rotor arm comprises a blade to thrust a volume of liquid medium away from the inner space in a driving direction towards a casing outlet. The liquid dispenser comprises at least one nozzle for jetting a stream of liquid onto the floor surface. The at least one nozzle has a central axis which is inclined positioned in a forward direction with respect to the driving direction under an angle of inclination with respect to the axis of rotation.
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