| 摘要 |
PROBLEM TO BE SOLVED: To suppress generation of a puddle by controlling drainage during a period in which a bus is stopping.SOLUTION: A fuel cell system mounted on a bus comprising a vehicle exterior display unit 8 for displaying a boarding and alighting sign showing that persons are getting on and off comprises: a fuel cell 1 for generating electric energy and water by using electrochemical reaction of oxidant gas and fuel gas; and a control unit 6 for suppressing, on the basis of a signal for making the vehicle exterior display unit 8 operate, drainage of water generated by the fuel cell 1 to the outside of the bus during a period in which a boarding and alighting sign is displayed on the vehicle exterior display unit 8.SELECTED DRAWING: Figure 1 |
