Patent ID: 8397770

Claim:
A non-overflow liquid delivery system for delivering liquid into a destination container, and recovering excess liquid from said destination container, said non-overflow liquid delivery system comprising: a pumping apparatus having a liquid delivery pumping portion and a liquid recovery pumping portion fluidically isolated one from the other; a nozzle having a liquid delivery conduit and a liquid recovery conduit; a liquid delivery hose connecting said liquid delivery pumping portion of said pumping apparatus in fluid communication with said liquid delivery conduit; a liquid recovery hose connecting said liquid recovery pumping portion of said pumping apparatus in fluid communication with said liquid recovery conduit; a valve having a first movable valve portion for opening and closing said liquid delivery conduit; and, a manually operable valve control mechanism connected to said valve for controlling said first movable valve portion, and having a liquid sensor responsive to a threshold condition of liquid in said liquid recovery conduit to thereby cause said first movable valve portion to close said liquid delivery conduit.