Piston for internal combustion engine, has piston head and hub bore holes with piston shaft, where cooling channel is arranged in piston head
摘要
<p>The piston (10) has a piston head (11) and hub bore holes (19) with piston shaft (18). A cooling channel (17) is arranged in the piston head. A supply bore hole (30) is provided in the cooling channel for cooling oil jet (23). The supply bore hole is provided with a cross-section contraction (32).</p>
