| 摘要 |
PROBLEM TO BE SOLVED: To provide a fueling system with which an underground tank can be enlarged and fueling can be done when an oil pump fails without providing a spare pump. SOLUTION: The fueling system includes a plurality of weighing units 1 and 2 for fueling from respective nozzles N1 and N2; an oil reserving means 4 for reserving fuel oil L in one closed space 4a; a plurality of under oil pumps P1 and P2 provided for one closed space 4a; a feed pipe 5 for supplying the fuel oil L force-fed by the pumps P1 and P2; a control means 3 having a normal mode where one or more oil pumps among the plurality of pumps P1 and P2 are specified and the oil is fed from the specified pump and an emergency mode where the oil is fed from the other normally working pump when one of the pumps P1 and P2 fails; and a switching means 32 for switching over the normal mode and the emergency mode. COPYRIGHT: (C)2004,JPO&NCIPI
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