Exhaust gas cleaning device for internal combustion engine

Details Exhaust gas cleaning device for internal combustion engine Exhaust gas cleaning device for internal combustion engine

1981-10-07

1984-12-04

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60297, 60303, 60311, 55282, 55287, 55466, 55DIG10, 55DIG30, F01N 302

Patent

active

044856229

ABSTRACT:
An exhaust gas cleaning device comprises at least one exhaust gas flowing passage, at least one particulates collecting member composed of two filter elements having different heat capacity, which is disposed within the exhaust gas flowing passage and heating means which is interposed between the filter elements so as to be closely contacted therewith. The filter element having smaller heat capacity is disposed on the upper stream side of the heating means and the filter element having larger heat capacity is disposed on the downstream side thereof. The filter element having smaller heat capacity is rapidly heated by the heating means and the heat of the filter element having smaller heat capacity is transmitted to the filter element having larger heat capacity. All of the particulates collected by the particulates collecting member can be burnt off with excellent heat efficiency.

REFERENCES:
patent: 1789812 (1931-01-01), Frazer
patent: 2898202 (1959-08-01), Houdry
patent: 3350878 (1967-11-01), Lambert
patent: 3470689 (1969-10-01), Gurr
patent: 3503716 (1970-03-01), Berger
patent: 4167852 (1979-09-01), Ludecke
patent: 4281512 (1981-08-01), Mills
patent: 4319896 (1982-03-01), Sweeney
patent: 4329162 (1982-05-01), Pitcher
patent: 4345431 (1982-08-01), Suzuki

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