Exhaust gas filter for diesel engines

Details Exhaust gas filter for diesel engines Exhaust gas filter for diesel engines

1985-12-06

1987-05-26

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By sorber or mechanical separator

55523, 422180, B01D 3920

Patent

active

046674691

ABSTRACT:
An exhaust gas filter for Diesel engines that consists of a filter block made of a porous ceramic material, and a plurality of ducts extending through said filter block that extend in the flow direction of the exhaust gases. The ducts in each case are alternately closed at their upstream or their downstream end, whereby the exhaust gases are forced to penetrate a filtering separating wall between two ducts. The closing means at the downstream end, are arranged so that they are staggered with respect to one another in the flow direction; in particular they are staggered by about 5 to 150 mm. The staggered arrangement of the closing means reduces the danger of a thermal damage to the filter block during the burning-off of the deposited soot.

REFERENCES:
patent: 4519820 (1985-05-01), Oyobe
patent: 4531363 (1985-07-01), Ludecke

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