HEAD FOR A FUEL TANK FILLER NECK

摘要

The invention relates to a head for a fuel tank filler neck comprising a tubular body (3). One end (5) of said body connects to the neck while the opposite end thereof forms a filler neck opening (6) which is used to insert the nose of a filler nozzle into a filler pipe. Moreover, said body comprises: a fuel vapour exhaust conduit (14) which is arranged to communicate with (i) the filler neck and (ii) the exterior of the tubular body, by means of a vent (17) which is disposed in a lateral wall (4) of said body; and a vent sealing means (21) which is mounted in the body in order to be moved by the nozzle nose, when said nose is being inserted into the filler pipe, from a vent sealing position to a vent release position.