Power plants – Internal combustion engine with treatment or handling of... – By means producing a chemical reaction of a component of the...
Patent
1988-07-08
1989-09-19
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
By means producing a chemical reaction of a component of the...
55466, 55523, 55DIG30, 60299, 422179, 422180, F01N 302
Patent
active
048669326
ABSTRACT:
An apparatus which is disposed in an exhaust system of a diesel engine for treating particulate emissions contained in exhaust gas is disclosed. The apparatus comprises a splittable casing body including an inlet-side casing portion and an outlet-side casing portion, an inlet pipe secured to the inlet-side casing portion, an outlet pipe secured to the outlet-side casing portion, a partition plate detachably retained between the inlet- and outlet-side casing portions such as to divide the inside of the casing body into two compartments, and at least one filter assembly detachably mounted in an opening provided in the partition plate. The filter assembly is defined by a honeycomb-type ceramic filter which is accommodated in a metallic casing and surrounding by a cushioning material, and which has a catalyst carried on its internal passage wall. The catalyst enables a lowering in the combustion temperature of the particulate emissions. The ceramic filter is detachable from the partition plate together with the metallic casing in one unit. Accordingly, it is possible to replace the filter with ease and to vary appropriately the number of filters in accordance with the displacement volume of the engine concerned.
REFERENCES:
patent: 3597165 (1971-08-01), Keith
patent: 3695851 (1972-10-01), Perga
patent: 4426844 (1984-01-01), Nakano
patent: 4709549 (1987-12-01), Lepperhoff
Kajitani Masayoshi
Kodama Masao
Morita Izuru
Takano Masanobu
Burns Robert E.
Hart Douglas
Lobato Emmanuel J.
Nippon Donaldson Ltd.
Shin Caterpillar Mitsubishi Ltd.
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