Double-walled flexible dispenser sump connection system
OwnerThomas L. Ingraminventor
Life of this patent
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Abstract
A double-walled flexible dispenser sump connection system prevents fuel leaks into a dispenser sump located below a fuel dispenser. An inner flexible connector and an outer flexible connector are configured such that the dispenser sump connection system may be installed on newly constructed fuel delivery systems or be retrofitted onto existing fuel delivery systems in order to bring them into compliance with recently environmental regulations.
Claims7
For use in conjunction with a fuel supply system of the type comprising a dispenser pump having a shear valve at the bottom thereof for directing fuel into the dispenser pump, a dispenser sump located directly below the dispenser pump, a fuel tank, a piping system for conveying fuel from the fuel tank into the dispenser sump, the piping system comprising an inner pipe for conveying fuel and an outer pipe surrounding the inner pipe for containment of leaks therefrom, the improvement comprising:
- an inner flexible connector extending though the dispenser sump and coupled between the end of the inner pipe and the shear valve for completing the conveyance of fuel into the dispenser pump;
- and
- an outer flexible connector surrounding the inner flexible connector and extending between the end of the outer pipe and the shear valve.
Dependencies are inferred from the claim text.