FIELD: heat exchange.
SUBSTANCE: invention discloses a method and a system for recuperating waste gas heat and exhaust gas recirculation (EGR) cooling by a single branched heat exchanger. Heat of exhaust gases from the first part of exhaust gases directed to intake header as EGR, and from the second part of exhaust gases discharged via bypass channel for recuperation of heat of exhaust gases, can be transferred to cooling liquid flowing through heat exchanger.
EFFECT: direction of flow of cooling liquid through heat exchanger can be adjusted depending on temperature of cooling liquid.
14 cl, 12 dwg
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