To provide a prepaid gas supply control system capable of enabling the gas to be used by one operation.
The prepaid gas supply control system wherein a prepaid rate is set and the gas is available until the set prepaid rate is reached is provided with: a setting means 2c for setting the prepaid rate, a storing means 4 for storing the prepaid rate set in the setting means 2c, a determination means 2a for determining whether the gas consumption reaches the prepaid rate, and a control means 2b for closing the cut-off valve 6 when determined that the gas consumption reaches the prepaid rate in the determination means 2a and automatically restoring the cut-off valve 6 according to the setting of the prepaid rate set by the setting means 2c after closing the cut-off valve 6.
| JP4042936 | Supply control system |
| JP3833992 | WITHDRAWAL DEVICE FOR PREPAID AMOUNT |
| JPH08167076 | PREPAID CARD TYPE GAS SUPPLY DEVICE |
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi