Patent ID: 7445123

Claim:
A ceramic filter comprising a ceramic filter core, two inner covers, at least one support rod, at least one scraper, a rotary outer cover, a fitting, and a housing, said ceramic filter core being mounted inside said housing and having a center hole axially extending through top and bottom sides thereof, said housing having a water inlet for guiding water into said ceramic filter core for filtration and a closable drain hole, said fitting being connected to the center hole of said ceramic filter element for output of filtered water, wherein said two inner covers are respectively provided at the top and bottom sides of said ceramic filter core, one of said inner covers being provided with at least one magnet; said at least one support rod each is fixedly connected between said two inner covers; said at least one scraper is fastened to said at least one support rod, said at least one scraper each having a front end pressed on the periphery of said ceramic filter core; said rotary outer cover is disposed adjacent to the inner cover provided with at least one magnet, said rotary outer cover having at least one magnet, which attracts the at least one magnet provided at the inner cover for allowing synchronous rotation of the inner cover provided with at least one magnet upon rotation of said rotary outer cover so that when said rotary outer cover is rotated, said inner covers are rotated with said rotary outer cover to move said at least one scraper over the periphery of said ceramic filter core.