Exhaust gas unit for multicylinder diesel internal combustion en

Details Exhaust gas unit for multicylinder diesel internal combustion en Exhaust gas unit for multicylinder diesel internal combustion en

1988-05-20

1989-07-18

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

55466, 55DIG30, 60311, F01N 302

Patent

active

048480835

ABSTRACT:
An exhaust gas unit, for multicylinder diesel internal combustion engines with at least one particulate filter and a regeneration device, in which at least four particulate filters are placed parallel to one another in branches of at least one exhaust gas pipe. Thus, in the exhaust gas unit of such a multicylinder diesel internal combustion engine, several small particulate filters can be used that can be produced at resonable cost. At the same time operating safety is increased, since when one of the parallel filters falls or during regeneration of one of them, the operation of the internal combustion engine can continue essentially unimpeded, so that a vehicle equipped with such an internal combustion engine can continue to be operated. With such a design of an exhaust gas unit, a regeneration device in the form of a burner that preferably can be operated by exhaust gases from the exhaust gas unit can be assigned to each pair of filters. Alternatively, a single, common regeneration device in the form of a burner can be provided for all parallel filters of the exhaust gas unit. Such an exhaust gas unit can be advantageously used for a multicylinder diesel internal combustion engine of the V type as well as of the in-line type.

REFERENCES:
patent: 4345431 (1982-08-01), Suzuki et al.
patent: 4373330 (1983-02-01), Stark
patent: 4573317 (1986-03-01), Ludecke

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