| 摘要 |
The present invention relates to a gas storing device which includes a storage unit which stores gas and includes an entry pipe; a piston unit which controls the storage capacity of the storage unit; an oil tank unit which is mounted on the upper side of the storage unit and which maintains airtightness between the piston unit and the storage unit by dropping oil to the inside of the storage unit; an oil supplying unit which supplies oil to the oil tank unit and which is connected to the oil tank unit; and an oil recovery unit which is embedded inside the storage unit, and which recovers oil dropped into the inside of the storage unit and sends the recovered oil to the oil supplying unit so that the present invention can prevent gas from leaking from the storage unit. |
