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US 2021/0292155 A1Published application
Fluid dispensing unit having a circulation system and a method for circulating a fluid in a fluid dispensing unit
AssigneeDover Fueling Solutions UK Limited
InventorBengt I. Larsson
Life of this patent
Estimating the term…
Abstract
A dispensing unit having a circulation system for circulating a fluid in the dispensing unit is provided. The circulation system comprises, a circulation circuit, and a mechanism configured to circulate the fluid in the circulation circuit. By circulating the fluid, the fluid is counteracted from crystallizing. A method for circulating a fluid in a dispensing unit is also provided.
Claims3
A fuel dispenser configured to detect leaks, comprising:
- a circulation system with a pump that directs fluid from a reservoir through a hose to a nozzle coupled to a terminal end of the hose, and from the nozzle through a return pathway back to the pump;
- a flow meter in fluid communication with the return pathway;
- and
- a control unit coupled to the pump and the flow meter, the control unit being configured to compare a fluid flow measured by the pump to a fluid flow measured by a flow meter to detect the presence of a leak.
1 more element
Dependencies are inferred from the claim text.