| 摘要 |
<p>A pump unit (3) for a fuel injection system (1) of an internal combustion engine is arranged along a fuel feed circuit (2) and has a pre-feed pump (4) and a high-pressure pump (5) which has a pump body (16) and a flange (18) joined to the pump body (16), the feed circuit (2) having a feed branch (9) and a delivery branch (10) of the pre-feed pump (4) which are formed, at least partly, in the flange (18) of the high-pressure pump (5).</p> |
