Definitions of ATS Terms
m2 mm 49.01.004
Refer to the following list of definitions of ATS components.
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Aftertreatment System (ATS)—the entire exhaust system from the turbocharger to the exhaust stack or tail pipe.
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Aftertreatment Device (ATD)—a muffler-like canister that houses a DPF, DOC, and sensors.
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Diesel Particulate Filter (DPF)—a filter that collects and holds particulate matter (soot and ash).
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Diesel Oxidation Catalyst (DOC)—oxidizes hydrocarbons and reduces NOx.
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Sensors—detect temperatures and pressures in the ATS.
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