FUEL STORAGE DEVICE Russian patent published in 2002 - IPC

FIELD: storage facilities. SUBSTANCE: proposed fuel storage device has wall dividing inner space into fuel chamber and air chamber capable of deforming to suit amount of fuel in fuel chamber, outlet pass opening into space formed over surface of fuel in fuel chamber, and cutoff valve which closes outlet pass under normal conditions. Gas gets out of space through outlet pass when cutoff valve is open. Cutoff valve opens and gas is discharged from space when amount of gas exceeds preset value. One the other hand, cutoff valve closes and gas discharge stops when amount of gas is less than preset value. EFFECT: prevention of formation of free space over fuel surface, and release of fuel fumes from storage device. 15 cl, 3 dwg