Exhaust treating devices having provisions not otherwise provided for

Child Classifications

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• F01N 2260/02 for cooling the device
• F01N 2260/04 for regeneration or reactivation, e.g. of catalyst
• F01N 2260/06 for improving exhaust evacuation or circulation, or reducing back-pressure
• F01N 2260/08 for preventing heat loss or temperature drop, using other means than layers of heat-insulating material
• F01N 2260/10 for avoiding stress caused by expansions or contractions due to temperature variations
• F01N 2260/12 for resisting high pressure
• F01N 2260/14 for modifying or adapting flow area or back-pressure
• F01N 2260/16 for reducing exhaust flow pulsations
• F01N 2260/18 for improving rigidity, e.g. by wings, ribs
• F01N 2260/20 for heat or sound protection, e.g. using a shield or specially shaped outer surface of exhaust device
• F01N 2260/22 for preventing theft of exhaust parts or devices, e.g. anti-theft arrangements
• F01N 2260/24 for identifying exhaust parts or devices, e.g. by labels, stickers or directly printing
• F01N 2260/26 for preventing enter of dirt into the device