Exhaust duct for motor vehicle, has injecting nozzle situated at level of central axis of duct, where nozzle is in circular shape around axis of duct in manner that injected fuel jet presents rotational symmetry around axis

摘要

The duct has a fuel injector (20) with a fuel supply (22) supplying a controlled valve (24) permitting liberation of fuel in a fuel channel (26). An injecting nozzle (27) is situated at level of a central axis (A) of the duct. The nozzle is in circular shape around the axis of the duct in a manner that an injected fuel jet presents a rotational symmetry around the axis. A delivery valve (28) liberates the fuel in the duct under effect of fuel pressure following opening of the valve (24).