| 摘要 |
<p>A piston (20) for an engine having a crown portion (22) that contains a generally closed cooling chamber (58) that communicates with a cooling fluid source by a cooling bore formed in a pin ear (60, 62). A tube portion (80) is located along the cooling bore (74) and cooperates with the cooling bore to provide a continuous inlet passageway to the cooling chamber (58).</p> |
