FIELD: transport.
SUBSTANCE: invention relates to cooling of SCR-system proportioners. Method of cooling of proportioner (250) related to SCR systems for exhaust gas purification whereat after stoppage of exhaust gas flow reducing agent proportioner (250) is cooled by reducing agent fed therein. Reducing agent feeder (230) is intermittently operated and operated at reduced power as compared with operation at normal operating conditions. Besides, invention relates to SCR system and vehicle (100, 110) equipped with such system. Also it relates to machine-readable carrier with computer program including program code for implementation of said process in compliance with claimed invention.
EFFECT: efficient cooling process.
21 cl, 7 dwg
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