Patent ID: 7908707
Filing Date: 2011-03-22
Classification: A47L

Abstract:
1. A floor cleaning apparatus, comprising: a housing; a dirt collection vessel carried on said housing, said dirt collection vessel including a dirty air inlet, a clean air inlet, a dirt collection chamber and a clean air outlet; a filter received in said dirt collection vessel; a suction generator carried on said housing; a flow control valve assembly, said flow control valve assembly being selectively displaceable between (a) a first position wherein dirt and debris are captured in said dirt collection vessel and (b) a second position wherein clean air is drawn through at least a portion of said filter to clean said filter, said flow control valve assembly including a first flow valve for selectively opening and closing said clean air inlet and a second flow valve for selectively closing and opening said dirty air inlet; and an activator automatically displacing said flow control valve assembly between said first and said second positions.