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公开(公告)号:US06345599B1
公开(公告)日:2002-02-12
申请号:US09744986
申请日:2001-02-16
IPC分类号: F16J116
CPC分类号: F02F3/00 , F05C2201/021 , F16C33/12 , F16J1/16 , Y10T29/49266
摘要: A light metal piston for internal combustion engines which includes a bearing bushing comprising a shell wrapped from a rolled strip or band shaped metal material. The shell has a butt joint which is closed in a pressed-in state, with a preferred orientation of the metallurgical grain areas being formed in the circumferential direction of the shell.
摘要翻译: 一种用于内燃机的轻金属活塞,其包括轴承衬套,该衬套包括由轧制带材或带状金属材料包裹的壳体。 壳体具有在压入状态下封闭的对接接头,在外壳的圆周方向上形成冶金颗粒区域的优选取向。