Patent ID: 8593290

Claim:
In a fuel delivery system of a transport truck having a fuel storage compartment, an overfill sensor probe for terminating a permit signal to cease the refueling of the compartment comprising: a housing having a probe tube extending therefrom and adapted to be secured to an upper portion of said compartment with said probe tube extending downwardly into said compartment and presenting a lower end for receiving fuel therein when the fuel rises above a predetermined level, said probe tube having a level sensor therein disposed within said lower end above said predetermined level and responsive to a maximum permitted level of fuel in said compartment for producing an output signal, a control responsive to said output signal for terminating said permit signal to thereby cease the refueling of the compartment, and a fuel level monitor adapted to be disposed on said transport truck, said housing having a removable cap and electrical components mounted in said cap to provide communication between said probe and said monitor, and a longitudinally expansible and retractable electrical cable in said probe tube interconnecting said level sensor and said electrical components to preclude internal damage if the cap is removed from the housing.