Filter

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 46/12 (2006.01) B01D 53/94 (2006.01) B01J 35/04 (2006.01) F01N 3/022 (2006.01) F01N 3/28 (2006.01)

Patent

CA 2050118

ABSTRACT Filter A filter for removing impurities from waste gases, especially from the waste gases of an internal combustion engine, comprises a filter body consisting of a plurality of compression moulded, high temperature resistant, sintered filter plates consisting of metal powder, metal chips, metallic fibres or a mixture thereof, which, arranged on top of or behind one another and kept at a distance from one another by means of spacers, form between them a plurality of flow channels (8, g). The flow channels are open at one side and closed at the other side in order to form inlet and outlet channels. The walls of the filter plate situated between the inlet and outlet channels (8, 9) constitute filter surfaces. The filter plates are formed by filter discs (1) lying on top of one another, arranged in a filter housing (5) and having a free central interior space (4), the waste gases flowing through said filter discs from the outside towards the inside or from the inside towards the outside. Fig. 5

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