Patent ID: 7497421
Filing Date: 2009-03-03
Classification: B01F

Abstract:
1. An apparatus for the gasification or aeration of liquids, comprising: a distribution conduit that serves for supplying compressed gas; elongated aeration elements that are connected to said distribution conduit, wherein each aeration element is provided with an essentially rigid support tube about which is disposed a membrane of elastomeric material, and wherein compressed gas is introduced between said support tube and said membrane and can escape via slits in said membrane into a liquid that is to be gasified; a fitting comprised of a cylindrical portion, wherein said cylindrical portion has a flange of elastomeric material, and a saddle of a semi-rigid plastic; wherein said fitting is disposed between said distribution conduit and a given one of said aeration elements; wherein said fitting is disposed in a bore that passes through a wall of said distribution conduit; and wherein said fitting has an essentially flat saddle portion, one side of said essentially flat saddle portion which rests against an outer surface of said distribution conduit, and another side of said essentially flat saddle portion which rests against an end of said given one of said aeration elements; and a hollow bolt that is securely connected with said given one of said aeration elements wherein said bolt is guided through a bore in said fitting and has a section that is disposed in an interior of said distribution conduit and is provided with apertures that provide communication between said interior of said distribution conduit and the interior of said bolt.