INTERNAL COMBUSTION ENGINE WITH HEAT ACCUMULATING DEVICE ANDMETHOD OF CONTROLLING SAME

摘要

An engine system that includes an internal combustion engine and a heat accumulating device also includes a heat accumulator that accumulates heat b y storing a heated cooling medium, a heat supplying device that supplies the cooling medium accumulated in the heat accumulating device to the engine, a cooling medium temperature detector that measures the temperature of the cooling medium, and a controll er that carries out failure determination of the heat accumulating device according to vario us techniques.