fluid cooled injector and exhaust aftertreatment system, vehicle and method using a fluid cooled injector

摘要

fluid cooled injector and exhaust aftertreatment system, vehicle and method utilizing a fluid cooled injector the present invention relates to a fluid cooled injector comprising an injector body comprising an injector tip and a cooling channel, the injector tip comprising an injector orifice, and a heat conduction shield, the heat conduction shield comprising a heat conduction shield orifice arranged coaxially with the injector orifice, the heat conduction shield being in contact with at least one of the injector body and the injector tip. an exhaust aftertreatment system and a vehicle including such a fluid cooled injector, and a method involving the use of such a fluid cooled injector, are also presented.