Part wall flow type filter and Diesel air exhauster and method

摘要

Passing through waste gas from the engine such as diesel engine, to the exhaust line which is connected to the engine, the air exhauster and method in order to discharge are arranged inside the exhaust line, close connection the 1st particulate filter which is done, and distance (just d) includes the 2nd particulate filter which leaves in the engine from the 1st filter. 1st the particulate filter is done, in order 2nd than the particulate filter it is larger with to operate with passive playback mode, close connection . The 1st particulate filter may be the part wall flow type filter which includes several plug passages and several open passages. Adjoining several of the plug passages to the exit end, the plug it is done, any other things are done adjoining to the exit edge, the plug, probably will be. Also the part wall flow type filter which possesses the percolation passage and several plug passages of several not yet plugs is stated, several plug passages have been located adjoining to the entrance edge, adjoining several to the exit edge, it has been located.