Method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system

Method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system

The present invention relates to a method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system. A method of initiating regeneration of a particulate filter for a diesel engine having a common rail injection system permitting, at...

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Hauptverfasser: Tonetti, Marco, Rossi Sebastiano, Giovanni Maria, Mugnaini, Maurizio, Rellecati, Pierluigi
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Sprache:eng
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creator Tonetti, Marco
Rossi Sebastiano, Giovanni Maria
Mugnaini, Maurizio
Rellecati, Pierluigi
description The present invention relates to a method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system. A method of initiating regeneration of a particulate filter for a diesel engine having a common rail injection system permitting, at each engine cycle and in each cylinder of the engine, a fuel injection strategy performing one or more of the following injections; a main injection; a first pre-injection preceding the main injection and performed at the compression stroke; a second pre-injection preceding the main injection and following the first pre-injection; a first post-injection following the main injection; and a second post-injection following the first post-injection and performed at the exhaust stroke; the second pre-injection and the first post-injection being performed close enough to the main injection to participate, together with the main injection, in the actual fuel combustion phase, and wherein the timing of one or more of the injections performed is varied with respect to the timing of the injections in particulate filter non-regenerating conditions.
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title Method of initiating regeneration of a particulate filter for a direct-injection diesel engine with a common rail injection system
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