FIELD: engine devices and pumps.
SUBSTANCE: filter for catching solid particles of diesel fuel is offered. Filter comprises a filter substrate with flow walls (23) having a certain average pore size, an input side (30), an output side (32) and a porous interior (23) between the input and output sides. Also, filter comprises a catalyst composition (44) coated in the form of coating on the input side of substrate wall, where the catalyst composition has d50 particle size distribution. Moreover, d50 particle size distribution is smaller than the average pore size divided by 4.9, and where the output side of substrate wall is substantially free of catalyst coating.
EFFECT: filter is able to remove soot from the exhausts, while working at low back pressure.
20 cl, 6 dwg
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