Patent ID: 7104272

Claim:
A system for supplying fluid to a battery, the battery including a battery cell, fluid being transmittable to the battery cell, the system comprising: a hydraulic circuit connecting the battery to a tank for holding fluid, the hydraulic circuit including an inlet conduit connectable to the tank, and an outlet conduit connectable to the battery cell; and a vacuum source connectable to the battery cell and to the tank, the vacuum source including a pump having a pump inlet connectable to the tank and a pump outlet, a venturi having a first inlet connectable to the pump outlet, a second inlet connectable to the battery cell, and a venturi outlet, and a muzzle connectable to the venturi outlet, fluid being collectable in the muzzle to submerge the venturi outlet, the pump being operable to cause flow through the venturi, flow through the venturi causing fluid flow from the tank, through the battery cell, and from the venturi outlet.