Soot-particle filter arrangement for the exhaust-line system of

Details Soot-particle filter arrangement for the exhaust-line system of Soot-particle filter arrangement for the exhaust-line system of

1989-05-11

1990-10-16

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

60311, F01N 302

Patent

active

049626434

ABSTRACT:
The invention relates to a soot-particle filter which is arranged in the exhaust-line system of an internal-combustion engine and which can be bypassed by means of a bypass line closable under full load. So that the vehicle can accelerate smoothly out of low speed ranges under full-load conditions, even when the filter is clogged, the bypass line is opened only when the speed of the internal-combustion engine is below a first speed limit value during its warm-up phase, when the speed of the internal-combustion engine is below a second speed limit value under hot-running conditions, and when, with the soot-particle filter clogged, the internal-combustion engine load is simultaneously below a predetermined load limit.

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