US Patent 11484818 Self-cleaning screen

Various implementations include a self-cleaning screen device including a screen and auger. The screen is a hollow cylinder and has a screen central axis, a screen inner surface, a screen outer surface opposite and radially spaced apart from the screen inner surface, a screen first end, and a screen second end opposite and axially spaced apart from the screen first end. The screen outer surface defines a plurality of openings extending radially to the screen inner surface. The auger is helically shaped and has an auger central axis, an auger first end, and an auger second end opposite and axially spaced apart from the auger first end. The auger is disposed around at least a portion of the screen outer surface such that the auger central axis and the screen central axis are coincident with each other. The auger is rotatable about the auger central axis relative to the screen.