Fuel system for internal combustion engine has device connected to fuel tank for capturing and collecting fuel vapors with fresh air opening automatically closed when engine is switched off

摘要

The fuel system has a fuel tank (1) and a connected device (6) for capturing and collecting fuel vapors with a fresh air opening (7) that is automatically closed by a closure element (9) when the engine is switched off. The closure element is controlable depending on the pressure in the engine's (5) induction volume.