| 摘要 |
The assembly to return exhaust gas, at an internal combustion motor (1) and preheat the exhaust gas cleaner (4), has a valve system (6) in a housing (7) with three outlets (11-13). The first outlet can be linked with a second, or a second outlet can be connected to the third. The first outlet (11) is linked to the motor (1) intake (2). The second outlet is connected to the exhaust (3), and the third outlet is linked to an air supply (14). |
