EGR gas cooling device for hybrid vehicle and EGR gas cooling method for hybrid vehicle

摘要

In a hybrid vehicle having an engine and a motor as a driving source of the vehicle, an EGR gas cooling device for a hybrid vehicle is provided in an EGR system that recirculates part of the exhaust gas of the engine as EGR gas to the intake passage and cools the EGR gas. Includes an EGR cooler that cools EGR gas using a refrigerant that flows in a high-power cooling circuit that cools the motor.