Patent ID: 8628665

Claim:
A water treatment apparatus including: a tank includes an inlet pipe extending through an upper portion, and an outlet pipe extending from a lower portion; a driving unit located on an external side of the tank; a filtered-water pipe inserted through the tank and connected to the driving unit; a filtering unit including flat filtering bags located around the filtered-water pipe, wherein the flat filtering bags can be spun together with the filtered-water pipe; a positioning unit including: separators each sandwiched between two adjacent ones of the flat filtering bags; and seals each attached to a related one of the separators and in contact with a related one of the flat filtering bags; and a scraping unit including scrapper assemblies each sandwiched between two adjacent ones of the flat filtering bags and rotationally provided around a related one of the separators; wherein each of the scrapper assemblies includes a hub and spokes extending from the hub; wherein each of the scrapper assemblies includes a wiper connected to each of the spokes; wherein the wiper is a sleeve provided around the related spoke.