Exhaust gas cleaning device

Details Exhaust gas cleaning device Exhaust gas cleaning device

1983-05-17

1985-03-19

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

With heating or cooling means

55466, 55DIG10, 55DIG30, 55283, 60295, 60311, 422174, B01D 4648, F01N 302

Patent

active

045057265

ABSTRACT:
An exhaust gas cleaning device provided with a filter member for collecting carbon particulates in exhaust gases discharged from a diesel engine and an electric heater for burning off the particulates collected by the filter member, is disclosed. The filter member is composed of a large number of intersecting porous walls which define a large number of inlet gas passages and outlet gas passages which are adjacent to each other. The electric heater is composed of at least one film-shaped heating resistor which is directly formed on the upstream end surface of the filter member so as to be integral therewith. When the amount of carbon particulates collected by the filter member reaches a predetermined level, electric current is supplied to the electric heater. The carbon particulates adhered to the upstream end surface of the filter member are ignited and burnt off. Then, the combustion of carbon particulates spreads to the other carbon particulates collected in the other portion of the filter member.

REFERENCES:
patent: 4105530 (1978-08-01), Johnson et al.
patent: 4276066 (1981-06-01), Bly et al.
patent: 4373330 (1983-02-01), Stark
patent: 4427418 (1984-01-01), Kogiso et al.

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