Vent system for vehicle fuel tank comprises vent pipe with air inlet at its base and outlet of smaller diameter above this, both of which feed into vent pipe, which is fitted with roll-over valve

摘要

The vent system for a vehicle fuel tank (1) comprises a vent pipe (9) with an air inlet (16) at its base and an outlet (19) of smaller diameter above this, both of which feed into the vent pipe. A roll-over valve (10) is fitted in the pipe to block it off when necessary.