Ventilation device for fuel container in vehicles has valve mechanism attached to fresh air side of vapour collecting container to hold operating ventilation pipe closed when filling ventilation pipe is opened

摘要

The ventilation device has a filling ventilation pipe (4) opening into the free end section (2) of the filler pipe (3) and an operating ventilation pipe (6) guided over a fuel vapour collecting container (5) with valve mechanism (7) which is attached to the fresh air side (8) of this container where it holds the operating ventilation pipe closed when the filling ventilation pipe is opened. The valve device is actuated by opening the petrol tank cover or by inserting the petrol filling gun.