Exhaust line for an internal-combustion engine having a shut-off valve with a diagnostic capability

An exhaust line of an internal-combustion engine contains a catalyst and a bypass pipe bypassing the catalyst. The bypass pipe can be shut-off by way of a shut-off valve. The shut-off valve has a diagnostic device for diagnosing a tightness of the shut-off valve.

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1. Verfasser: GRAF HUBERT
Format: Patent
Sprache:eng
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Zusammenfassung:An exhaust line of an internal-combustion engine contains a catalyst and a bypass pipe bypassing the catalyst. The bypass pipe can be shut-off by way of a shut-off valve. The shut-off valve has a diagnostic device for diagnosing a tightness of the shut-off valve.