Patent ID: 6840385

Claim:
In a pressurized filter system for filtering fluids, wherein the fluid to be filtered flows under pressure through an input port of a filter vessel housing, having a filter basket adapted to be received by said filter vessel housing and a filter bag adapted to be inserted into said filter basket, said fluid flowing out of an output port disposed proximate a bottom of said filter vessel, each of said basket and said bag having perforated vertical walls and a perforated bottom portion, the improvement comprising: (a) a hollow, imperforate, hemispherically-shaped insert having an open end, said insert being fabricated from solid material free of apertures and disposed within said filter basket adjacent said basket bottom portion with said open end extending upwardly, wherein the insert is configured to cause turbulence at the bottom portion of the filter basket to reduce strain on a bottom seam of the filter bag and causing particulate being filtered to move up along the vertical walls of the filter bag.