Patent ID: 6911147

Claim:
A module for filtration of water from an exterior toward an interior of hollow fibers, said module comprising: a casing; plural hollow fibers bundled in multiple bundles within said casing, each of said bundles having a closed distal portion and an open proximal portion; plural sheaths, each of said bundles being disposed in a respective one of said plural sheaths so that said open proximal portion of each of said bundles is within a respective one of said sheaths such that said multiple bundles are individually potted; a distribution plate tightly joined to said casing, each of said individually bundled sheaths being potted in said distribution plate at said proximal portion by a potting resin, said potting resin also forming a seal between said fibers of each respective one of said bundles; and an air distribution system within said distribution plate and having plural air passages that extend radially inward, said plural air passages including plural air discharge passages that discharge axially between the sheaths.