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1. 发明公开

EP2937547A1 PISTON FOR AN INTERNAL COMBUSTION ENGINE 审中-公开
标题翻译：活塞内燃机
公开(公告)号：EP2937547A1
公开(公告)日：2015-10-28
申请号：EP13834370.2
申请日：2013-12-19
申请人： Mahle Metal Leve S/A , MAHLE International GmbH
发明人： ALVES DOS SANTOS DIAS, Marcio Paulo , SCARANELLO TAVARES LEITE, Rodrigo , DE MORAES SPIANDORELLO, Thais , RICETTI BUENO, Estela Mari
IPC分类号： F02F3/02 , F02F3/22
CPC分类号： F02F3/26 , F02F3/0015 , F02F3/02 , F02F3/22
摘要： A piston for an internal combustion engine is provided with a top portion (2) substantially circular from which outer perimeter protrudes a side portion (3) comprising at least a first segment (3') positioned on the portion of the piston that undergoes a greater radial compressive stress (TS) and at least a second segment (3") located in the opposite portion of the piston which undergoes a lower stress radial compression (ATS), the piston further comprising a substantially cylindrical portion which defines a radial bore (4) positioned substantially parallel, and in the lower portion relative to the head portion (2) for positioning a piston/rod pin and at least two first structural walls (5') making the connection between the first segment of the side portion (3') with the portion which defines the radial bore (4) and at least two second structural walls (5') making the connection between the second side segment (3") with the portion which defines the radial bore (4), wherein the first structural walls (5') are substantially divergent toward the substantially cylindrical portion which defines the radial bore (4) and the second structural walls (5") are substantially convergent toward the substantially cylindrical portion which defines the radial bore (4).
摘要翻译：一种用于内燃机的活塞设置有基本上为圆形的顶部（2），外周从所述顶部（2）突出侧部（3），所述侧部包括至少第一部段（3'），所述第一部段位于所述活塞的部分上，径向压缩应力（TS）和至少一个第二部分（3“），所述第二部分位于所述活塞的经受较低应力径向压缩（ATS）的相对部分中，所述活塞还包括大致圆柱形部分，所述大致圆柱形部分限定径向孔）相对于用于定位活塞/杆销的头部（2）的下部以及至少两个第一结构壁（5'），所述至少两个第一结构壁（5'）使侧部（3' ）与限定径向孔（4）的部分和至少两个第二结构壁（5'）形成第二侧面部分（3“）与限定径向孔（4）的部分之间的连接，其中第一结构壁（5'）基本朝向限定径向孔（4）的基本圆柱形部分发散，并且第二结构壁（5“）基本上朝限定径向孔（4）的基本圆柱形部分会聚。

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