| 摘要 |
PROBLEM TO BE SOLVED: To provide a coupler, a supply body, and a fuel cartridge capable of easily moving liquid fuel with a simple configuration.SOLUTION: A coupler 1 includes: a connection body 6 provided in a fuel battery 2; and a connected body 7 provided in a fuel cartridge 3 and connected to the connection body 6. The connected body 7 includes: a second enclosure member 51 having a second connection port 71 connectable to a first connection port 21 of the connection body 6 and forming therein a fuel flow passage F2 and a flow passage G of air continuous to outdoor air; a second valve element 52 that is provided in the second enclosure member 51, closes the fuel flow passage F2 and the air flow passage G, abuts on a first valve element 12 of the connection body 6 when the first connection port 21 is connected to the second connection port 71, and opens the fuel flow passage F2 and the air flow passage G by moving while the second valve element 52 and the first valve element 12 press each other; and a second urging member 54 supported by an end surface of the second valve element 52 and arranged in the second enclosure member 51, and for urging the second valve element 52 to a position at which the second valve element 52 closes the second connection port 71. |
