By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device

Child Classifications

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• F01N 2410/02 in case of high temperature, e.g. overheating of catalytic reactor
• F01N 2410/03 in case of low temperature
• F01N 2410/04 during regeneration period, e.g. of particle filter
• F01N 2410/06 at cold starting
• F01N 2410/08 in case of clogging, e.g. of particle filter
• F01N 2410/10 for reducing flow resistance, e.g. to obtain more engine power
• F01N 2410/12 in case of absorption, adsorption or desorption of exhaust gas constituents
• F01N 2410/14 in case of excessive pressure, e.g. using a safety valve