Filter unit, and apparatus for treating particulates in an exhau

Details Filter unit, and apparatus for treating particulates in an exhau Filter unit, and apparatus for treating particulates in an exhau

1987-09-22

1989-05-30

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By sorber or mechanical separator

60279, 60303, 55302, 55466, 55523, 55DIG30, F01N 302

Patent

active

048338834

ABSTRACT:
A filter unit comprises a plurality of plates made of an air-permeable, porous material which define particulate-containing gas passages and clean gas passages. The clean gas passages are formed at one side of each of the air-permeable, porous plates and the particulate-containing gas passages are at the other side in the direction intersecting each other. Particulates in an exhaust gas from a diesel engine deposit and accumulate on the air-permeable, porous plate while the exhaust gas is passed from the particulate-containing gas passages through the air-permeable, porous plates to the clean gas passages. A nozzle is placed in an outlet conduit, which is connected to the discharging side of the clean gas passages, to eject gas for back washing to thereby peel off and drop the particulates on the air-permeable, porous plates. A particulate receiving plate is provided to collect the particulates, which are burnt by a heater provided in the particulate receiving plate.

REFERENCES:
patent: 4290263 (1981-09-01), Mann
patent: 4406119 (1983-09-01), Kamiya
patent: 4433986 (1984-02-01), Borst
patent: 4478618 (1984-10-01), Bly
patent: 4584003 (1986-04-01), Oda

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