Tank type liquid vacuum cleaner

Claim 1

A tank type liquid vacuum cleaner which passes dirty air over a surface of a liquid which comprises: a liquid tank containing liquid, said liquid tank being supported on a supporting plate having a plurality of rollers, an air inlet having an L-shaped end at the one end thereof for inserting into a lower portion of said liquid tank for forcefully mixing air with the liquid, said air inlet connected to an intake hose at the other end thereof, a tank cover slidably and tightly attached to said liquid tank, an anti-overflow cylinder suspended by said tank cover, a ball valve containing tube disposed within said anti-overflow cylinder, said ball valve containing tube including a plurality of apertures disposed in the middle portion thereof, a ball valve seat closed at a lower outlet for seating a ball valve on the ball valve seat, and an upper outlet thereof extending to a vent opening, a fan housing including a fan, said fan housing containing said vent opening disposed in a side wall thereof, a motor connected to an electric source for actuating said fan, and a three-stage switch connected to said motor, wherein the three-stage switch includes an off position, a low power position, and a high power position, for actuating the off-switch, and for operatively selecting a vacuum cleaner or an air cleaner, whereby the vacuum cleaner can be converted to an air cleaner to effectively clean dirty air, and prevents the liquid from spilling on the floor when the cleaner is overturned.