Patent ID: 8105486

Claim:
A water-cleaner including: a bowl including an outlet defined in a lower portion thereof; a tank including a floor located on the bowl, a wall extending on the floor, and an aperture defined in the floor; a primary tube including apertures transversely defined therein, wherein the primary tube is inserted in the tank; a filtering unit including filtering bags stacked on one another and located around the primary tube, wherein each of the filtering units includes an exit in communication with a related one of the apertures of the primary tube; at least one sleeve located around the tank and movable between first and second positions, wherein the sleeve and the tank together define a space for containing raw water; a cover including a vent defined therein and an inlet through which the raw water is filled, wherein the cover is located on the sleeve; a telescopic exhaust unit including a lower end connected to the primary tube and an upper end inserted through the vent so that the telescopic exhaust unit is shrunk as the cover is lowered and that the telescopic exhaust unit is extended as the cover is lifted; an upper valve connected to the upper end of the telescopic exhaust unit; a lower valve including a housing located in the tank, a ball movably located in the housing for opening and shutting the housing, and a spring for biasing the ball to shut the housing; and a disc located on the bowl and formed with a secondary tube for insertion in the housing to cause the ball to open the housing, thus communicating the tank with the bowl.