Helical internal support structure for intake screens

摘要

A method and apparatus for supporting a screen. The apparatus (100) comprising a cylindrical screen (102) for submerging in a fluid, the screen having an inlet pipe (106) for connecting to a piping system, filter members (110), a first end, a second and a support structure (118). The support structure (118) is one or more helical members (124) which traverse the screen (102).