US Patent 7063791 Pump inlet screen

A pump inlet screen for a submersible pump adapted to be inserted into a well bore. The screen includes an inner support sleeve having openings therethrough and an outer mesh screen member that overlies the out surface of the inner support sleeve. A polymer coated reinforcing ring is secured to one end of the screen and includes spaced, radially-extending threaded openings for receiving set screws to permit securement of the inlet screen to the outer surface of a cylindrical housing. The opposite end of the inlet screen from the reinforcing ring includes a sealing ring having an inwardly-extending, sloping lip seal to engage the outer surface of a cylindrical housing.