| 摘要 |
Self-cleaning filtering device for fluids containing solid particles, of the type comprising a cylindrical filtration cartridge (12) wherein is arranged a movable assembly (2) of the Archimedes screw type. The external edges of said movable assembly (2) are maintained at a certain distance from the internal wall of said filtration cartridge (12) and the movable assembly (2) comprises, arranged between its turns, angularly positioned vertical profiles (3) so that their leading edge (30) is close to the external edge of said movable assembly (2) and so that their trailing edge is at a certain distance from said external edge. |
