A new hydrocarbon dosing system from the Fluid Control Division of Parker Hannifin Corp. can help control the flow of diesel fuel in the exhaust upstream and reduce emissions of particulate matter and nitrogen oxides. It can be used in a variety of medium to heavy duty diesel engine applications, Parker said.
According to the company, the hydrocarbon dosing system controls the dosing of diesel fuel into the exhaust upstream of the diesel oxidation catalyst to allow efficient regeneration of the diesel particulate filter. It eliminates the need for injector cooling lines while offering atomization for improved fuel evaporation.
The system reduces unwanted fuel coking at the nozzle by utilizing air purge sequencing, Parker added.
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