| 摘要 |
PURPOSE: A cooling water circulation apparatus is provided to stably consume electricity of a fuel cell and to increase temperature of the cooling water, thereby facilitating cold starting. CONSTITUTION: A cooling water circulation apparatus comprises a first connection pipe which connects a cooling water inlet and a radiator; a second connection pipe which connects a cooling water outlet and the radiator; a cooling water pump which is mounted to the first connection pipe; a cooling water heater which is mounted to the first connection pipe; a third connection pipe which is connected to the inlet of the cooling water heater; a fourth connection pipe which is connected to the outlet of the cooling water heater; a first control valve which controls the flow of cooling water in the third connection pipe; a second control valve which controls flow of cooling water in the second connection pipe. |
