| 摘要 |
The invention relates to an aluminum piston (1) for a combustion engine having a ring element (4), which is made of NiResist, is placed in the radially outer edge area of the piston head (3), and which, together with the base body (2), forms an annular cooling channel (22). The ring element (4) is fastened to the base body (2) of the piston (1) via a screwed connection. ® KIPO & WIPO 2007
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