Patent ID: 6228261
Filing Date: 2001-05-08
Classification: B01D

Abstract:
An appliance comprising:a filter module with an inlet connected to a supply line for a fluid medium comprising heterogeneous elements and an outlet connected to a fluid medium outlet line, the filter module comprising a series of channels inside which the fluid medium is to be circulated the channels each having an opening; anda planar fragmentation device located upstream of the inlet of the filter module and comprising passages through which the fluid medium must pass to enter the inlet, wherein the planar device is a screen, the screen comprising the passages, each of the passages having a dimension which is equal to the smallest dimension of the cross section of flow of the channels divided by n, wherein n is in the range 1.4 to 10, the screen is formed from cutting separator elements that define the passages and have a minimum thickness which is in the range 0.1 mm to 2 mm, to ensure fragmentation of heterogeneous elements of the fluid medium and only the heterogeneous elements fragmented by the passages of the screen are able to enter the openings of the channels.