| 摘要 |
<p>The cooling nozzle for an engine piston comprises a body (1), with a penetrating part which engages in an engine bore, receiving coolant fluid. The nozzle comprises an internal valve composed of a piston (6) which slides in a guide bore (9). The piston comprises a sealing head (10) directed upstream and supported against an annular seat (11). The piston is pushed toward the seat by a helical compression spring (13).</p> |
