Abstract:
A regeneration device is disclosed. The regeneration device has an injector (46) configured to inject pressurized fuel during an injection event. The regeneration device also has a heater (106) configured to ignite the pressurized fuel during the injection event. The heater is also configured to purge the injector between injection events.
Abstract:
A fluid injector (46) for use in an exhaust treatment system (14) is disclosed. The fluid injector may have a nozzle portion, a heater (106) associated with the nozzle portion, and a controller (150) in communication with the heater. The controller may be configured to recognize a condition triggering a purge event of the fluid injector. The controller may also be configured to activate the heater to purge the fluid injector in response to the recognized condition.
Abstract:
A method of controlling an exhaust treatment system (10, 100) includes sensing a temperature representative of a catalyst material temperature at start-up of a power source (12) and comparing the sensed temperature to a threshold temperature. The method also includes igniting a regeneration device (20) of the exhaust treatment system (10, 100) in response to the comparing. The regeneration device (20) is disposed upstream of the catalyst material. The method further includes operating the regeneration device (20) at a target temperature.