AUXILIARY HEATING DEVICE OF A FUEL CELL VEHICLE WHICH DISCHARGES EXHAUST AIR FROM A FUEL CELL STACK AFTER CIRCULATING THE EXHAUST AIR AROUND AN UNDER FLOOR

摘要

PURPOSE: An auxiliary heating device of a fuel cell vehicle is provided to reduce the electricity consumption of a PTC heater by transferring the thermal energy of air exhausted from a stack.;CONSTITUTION: An auxiliary heating device of a fuel cell vehicle comprises a fuel cell stack, an exhaust pipe, an airflow control valve, and an under floor(40). The exhaust pipe is connected to an exhaust manifold of the fuel cell stack. The airflow control valve is installed on the front end of the exhaust pipe. The under floor is equipped with a lower duct(42) on the bottom thereof. The inlet of the lower duct is connected to the airflow control valve while the outlet is connected to the outlet of the exhaust pipe.;COPYRIGHT KIPO 2012