Heat engine pollution controlling arrangement for motor vehicle, has reduced thickness plate with upstream part mixing liquid component with exhaust gas, and with downstream part provoking rotational flow of mixing of gas and component

摘要

#CMT# #/CMT# The arrangement has a downstream evaporation device (12) provided with a conduit (22) in which a plate (24) with reduced thickness is arranged, where the plate is axially oriented in a flow direction of an exhaust gas (G) and is distant from walls (26) of the conduit. The plate has an upstream part (28) arranged in a diffusion zone (30) of the evaporation device, favoring evaporation of a liquid component (CL), and mixing of the component with the gas. The plate has a downstream part (32) provoking a rotational flow (T) of mixing of the gas and the vaporized component. #CMT#USE : #/CMT# Arrangement for controlling pollution of a heat engine of a motor vehicle. #CMT#ADVANTAGE : #/CMT# The reduced thickness plate permits optimal vaporization of the liquid components and does not oppose to resistance of the exhaust gas flow, thus improving the performance of the pollution controlling arrangement. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic view of a pollution controlling arrangement in which a downstream part of a plate occupies a flatten configuration. CL : Liquid component G : Exhaust gas T : Rotational flow 12 : Downstream evaporation device 22 : Conduit 24 : Plate 26 : Walls 28 : Upstream part 30 : Diffusion zone 32 : Downstream part.