Filler neck for fuel tank of automobile, has emergency fueling channel connecting fueling opening and filling tube, where flow capacity of emergency fueling channel lies below fueling speed of fueling system of filling station

摘要

The neck (6) has a fueling opening (10) for inserting gas pump nozzles (20, 26), and a filling tube (14) guided towards a fuel tank (8). A wrong fueling guard (12) is arranged between the fueling opening and the filling tube. An emergency fueling channel (30) connects the fueling opening and the filling tube. Flow capacity of the emergency fueling channel lies below fueling speed of a fueling system (23) of a filling station (22). The wrong fueling guard comprises a flap arrangement (24), and the emergency channel is guided by the wrong fueling guard.