| 摘要 |
<p>System for storing an additive and for injecting it into engine exhaust gases System for storing an additive and for injecting it into the exhaust gases of an internal combustion engine, the said system comprising a tank (1) for storing the additive, an injector (3) and a pump (6) for conveying the additive from the tank (1) to the injector (3) via an injection line (2), the said system further comprising a purge device suitable for forcing a purge gas to flow through the entire inject ion line (2) either from the tank (1) to the injector (3), or from the injector (3) to the tank (1).</p> |
