Fuel tank filling system for motor vehicle, has head, whose inlet and outlet openings introducing filling nozzle into pipe when stopper is in open position, and degassing connection linking pipe and head outside of outlet opening of head

摘要

The system has a pipe head (12), whose stopper (20) is movable between open and closed positions, in which access to a fill pipe is open and closed, respectively. The head has inlet and outlet openings (16, 18) sized and arranged to introduce of a filling nozzle into the pipe through the head when the stopper is in the open position. The pipe is preceded by a separate thermoplastic part designed such that a cross section of passage for the nozzle is reduced to an outer diameter of the nozzle. A degassing connection links the pipe and the head outside of the outlet opening.