| 摘要 |
The system has an upper part of a valve chamber comprising of an outlet for bleeding to a fuel tank. The chamber also has a valve cone (24) provided with an inner passage having a valve seat under normal fuel pressure interacts with a bleed cone (26) which is movable in the passage. The bleed cone interacts with a lower valve seat (27) of the chamber when the pressure is low and moves away as the pressure rises. |
