| 摘要 |
There is disclosed a gas charging apparatus including a gas supply source 10; a fuel gas charging line L connected to the gas supply source 10, to charge a fuel gas into gas tanks, respectively; a temperature information acquiring section 48 which acquires temperature information in the gas tanks; a pressure information acquiring section 49 which acquires pressure information in the gas tanks; a relation data acquiring section 47 which acquires correspondence relation data indicating a correspondence relation between a temperature and a pressure in the corresponding gas tank, in a case where a beforehand acquired state of charge of the gas tank becomes a target state of charge; a temperature difference calculating section 52 which calculates, in accordance with the temperature information, a temperature difference between the gas tank having the highest internal temperature and the gas tank having the lowest internal temperature among the plurality of gas tanks; and a control section 55 which performs control so as to stop the charging of the fuel gas, when the temperature of the gas tank having the lowest internal temperature becomes a balance temperature obtained by subtracting the temperature difference from a preset temperature upper limit value, and a pressure obtained from the pressure information becomes a corresponding pressure corresponding to the balance temperature in the correspondence relation data.
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