Exhaust-gas after-treatment system for an auto-ignition internal combustion engine
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United States of America Patent
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Sep 30, 2014
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N/A
app pub date -
May 8, 2009
filing date -
Jun 3, 2008
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Abstract
An exhaust-gas aftertreatment system, having a catalytic converter and/or particle filter which are/is assigned a burner arranged upstream in an exhaust line, to which burner fuel can be supplied via a fuel nozzle device and also combustion air can be supplied, and wherein the combustion air and the fuel emerging from the fuel nozzle device are mixed in a downstream air swirl vaporizer nozzle. An exhaust-gas aftertreatment system having a burner which operates reliably with a compact design and in which the supplied energy for operating the burner is reduced in relation to known systems. The fuel nozzle device has a nozzle body which extends at least from an inlet to an outlet and which has arranged therein a support body, which nozzle body and support body together produce a film-forming fuel supply duct.
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