System for evaluating the charge state of an exhaust line...

Gas separation: apparatus – With signals – indicators – measuring – or testing means

Reexamination Certificate

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Details

C055S522000, C055S523000, C055S524000, C422S172000, C422S173000, C422S174000, C422S175000, C422S176000, C422S177000, C422S178000, C422S179000, C422S180000, C502S303000, C060S297000

Reexamination Certificate

active

07824481

ABSTRACT:
The inventive system for evaluating the charged state of depollution means integrated into the exhaust line of a motor vehicle engine is characterised in that it comprises means (7) for determining a pressure in the depollution means, means (8) for determining the volume gas flowrate upstream said depollution means (10) and means for comparing the depollution means state defined by the thus determined pressure and the volume flowrate with a predetermined diagram (11) of the absent, overcharged and clogged states of the depollution means in order to evaluate the state thereof.

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