B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
B03C 3/155 (2006.01) B01D 53/92 (2006.01) B03C 3/014 (2006.01) B03C 3/12 (2006.01) B03C 3/41 (2006.01) B03C 3/86 (2006.01) F01N 3/01 (2006.01) F01N 3/027 (2006.01) F01N 3/035 (2006.01)
Patent
CA 2384755
The invention concerns a device comprising at least an electrostatic filter (20) with corona effect comprising an emitting structure (29, 32, 33) and a collector structure (24). The invention is characterised in that the collector structure (24) comprises a plurality of cavities trapping the particles contained in the gas medium, such as gases of an internal combustion engine. The emitting structure (29, 32, 33) comprises a plurality of serrated plates such as ratchets (32) designed to be connected to a high voltage circuit. Preferably, the collector structure (24) comprises a separator formed of a wire mesh. Advantageously, said device is associated with an oxidation catalytic converter and/or a continuously regenerating mechanical filter and/or suction means.
Le dispositif comporte au moins un électrofiltre (20) à effet couronne comportant une structure émissive (29, 32, 33) et une structure collectrice (24), caractérisé en ce que la structure collectrice (24) comporte une pluralité de cavités piégeant les particules contenues dans le milieu gazeux, tel que des gaz d'échappement d'un moteur à combustion interne. La structure émissive (29, 32, 33) comporte une pluralité de plaques dentelées telles que des étoiles (32), destinées à être reliées à un circuit haute tension. De préférence, la structure collectrice (24) comporte un séparateur réalisé à partir d'un tricot en fil métallique. Avantageusement, ce dispositif est associé à un catalyseur d'oxydation et/ou à un filtre mécanique à régénération en continu et/ou à des moyens d'aspiration.
Smart & Biggar
Teboul Daniel
LandOfFree
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