Patent 8001651 was granted and assigned to National Taipei University of Technology on August, 2011 by the United States Patent and Trademark Office.
A floor washing robot is disclosed. The robot includes: a control unit for controlling a power source to drive at least three omnidirectional wheels and at least one washing disc to rotate to wash a floor; a water spray device for spraying water; and a vacuum device for vacuuming waste water or dirt. The floor washing robot can be moved freely in any direction to improve the cleaning effect.