| 摘要 |
<p>The injection nozzle (10) has a pressure cavity (26) with fuel inlet (24) and outlet (30) with a valve seat (32) round it. There is also a valve element (34) on which the actuating extension (42) of a piezo-actuator (40) can act. The valve seat is on a movable wall bounding the pressure cavity on the valve seat side.</p> |
