| 摘要 |
<p>A device for recovering fuel vapours from a motor vehicle fuel tank (1), comprising a filtering cartridge (3) inserted between the tank and the inlet manifold (2) of the engine, wherein the cartridge vent duct (3A) is selectively connectable with the inlet vacuum by means of a pneumatic distributor (6'). The tightness of the device may thus be tested.</p> |
