| 摘要 |
A hose assembly and method of making are provided, the hose assembly (30, 30C) having a first fluid passage (38) for conveying volatile liquids in one direction, and a second fluid passage (41) therein for returning vapors of volatile liquids; comprising a flexible inner hose unit (36) having an outer peripheral surface (37) and defining the fluid passage (38), and a flexible outer hose unit (39) having an inner peripheral surface (40), disposed around the inner hose unit (36), the surface (37, 40) defining the second fluid passage (41), the inner hose unit (36) having a Venturi (90, 90C) herein to remove liquid from an area of the fluid passage (41), the inner hose unit (36) having ends (103, 104), Venturi (90, 90C) having ends (91, 92) interconnected to the ends (103, 104) to provide the passage (38), wherein the hose unit (36) comprises a plurality of separate inner hoses (36') extending in the one direction to one side (91, 91C) of the Venturi (90, 90C), and a single inner hose (36''') extending away from the other side (92, 92C) of the Venturi in the one direction. |
