| 摘要 |
PURPOSE: A filter unit and a filter assembly using the same are provided to conserve manufacturing costs by combining various kinds of filters to a first head part without a separate adapter. CONSTITUTION: A filter unit includes a filter cartridge and a cap. The filter cartridge includes a first head part, a second head part, and a filter part. The cap includes a liquid inlet(1110) and a liquid outlet(1120). The cap fixes the filter cartridge. The upper side of the first head part includes a first inclined side(1313). The upper side of the second head part includes a second inclined side(1323). A first valve(1130) is installed at the liquid inlet. A second valve(1140) is installed at the liquid outlet. The valves are closed when the head parts are in contact with the lower side of the cap. The filter cartridge rotates to open the valves. |
