Venturi liquid evacuator system for maintaining clear vapor...

Details Venturi liquid evacuator system for maintaining clear vapor... Venturi liquid evacuator system for maintaining clear vapor...

B - Operations, Transporting

65

B

222/4.4

B65B 57/14 (2006.01) B67D 7/04 (2010.01)

Patent

CA 1276917

ABSTRACT OF THE DISCLOSURE In a coaxial hose system for a fuel distri- bution system, a product delivery hose is centrally located within a vapor recovery hose, whereby the area between the product and vapor hoses provides a return path for vapors developed at a nozzle during refueling of a vehicle. A venturi pump is located in the product hose line, and operable over a range of flow rate of the fuel through the product hose, for sucking fuel back into the product hose from an area of the vapor path where fuel may accumulate due to backflow from the nozzle, thereby substantially insuring a clear vapor path and more complete delivery of metered fuel.

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