Development of High Durability Diesel Particulate Filter by using SiC Fiber
New diesel particulate filter (DPF) by using nonwoven fabric made of silicon carbide (SiC) ceramic fiber and formed cylindrical shape with bellows folds has been developed. It has very high durability and excellent filtration performance. It has the unique filter structure that nonwoven cloth made of SiC fiber is held between two metal wire cloths in order to make the filter clogged by Particulate Matter (PM) regenerate. Urban buses equipped with this new DPF already run about 40,000km around Tokyo metropolitan and Kawasaki City area.