公开(公告)号：US08601996B2

公开(公告)日：2013-12-10

申请号：US12776572

申请日：2010-05-10

申请人： Dion R. Miller ,  Indrajith Kizhakkethara ,  Stephen Kelly

发明人： Dion R. Miller ,  Indrajith Kizhakkethara ,  Stephen Kelly

IPC分类号： F02F3/00

CPC分类号： F02F3/00 ,  F02F2003/0007

摘要： A single-piece piston body for an internal combustion engine includes a crown portion having a circumferential ring belt including an oil ring groove configured to accommodate an oil control ring and a skirt portion having a first skirt wall disposed on the major thrust side and a second skirt wall disposed on the minor thrust side of the piston, and two box walls that connect the skirt walls and which are set back with respect to the ring belt. A first plurality and a second plurality of axial drain passages extend from the oil ring groove to the bottom of the crown portion, the first and second pluralities of axial drain passages being substantially centered at opposite box sides of the piston and each plurality of axial drain passages spanning an arcuate portion of about 45-75 degrees.

摘要翻译： 一种用于内燃机的单件式活塞体包括：冠部，其具有周向环带，该周向环带包括构造成容纳油控制环的油环槽和具有设置在主推力侧上的第一裙壁的裙部， 裙壁设置在活塞的小推力侧，以及两个连接裙壁并且相对于环带设置的箱壁。 第一多个和第二多个轴向排放通道从油环槽延伸到冠部的底部，第一和第二多个轴向排放通道基本上居中在活塞的相对的箱侧面，并且每个多个轴向排水 横跨大约45-75度的弓形部分。

公开(公告)号：US20110114054A1

公开(公告)日：2011-05-19

申请号：US12776572

申请日：2010-05-10

申请人： Dion R. Miller ,  Indrajith Kizhakkethara ,  Stephen Kelly

发明人： Dion R. Miller ,  Indrajith Kizhakkethara ,  Stephen Kelly

IPC分类号： F02F3/00

CPC分类号： F02F3/00 ,  F02F2003/0007

摘要： A single-piece piston body for an internal combustion engine includes a crown portion having a circumferential ring belt including an oil ring groove configured to accommodate an oil control ring and a skirt portion having a first skirt wall disposed on the major thrust side and a second skirt wall disposed on the minor thrust side of the piston, and two box walls that connect the skirt walls and which are set back with respect to the ring belt. A first plurality and a second plurality of axial drain passages extend from the oil ring groove to the bottom of the crown portion, the first and second pluralities of axial drain passages being substantially centered at opposite box sides of the piston and each plurality of axial drain passages spanning an arcuate portion of about 45-75 degrees.

摘要翻译： 一种用于内燃机的单件式活塞体包括：冠部，其具有周向环带，该周向环带包括构造成容纳油控制环的油环槽和具有设置在主推力侧上的第一裙壁的裙部， 裙壁设置在活塞的小推力侧，以及两个连接裙壁并且相对于环带设置的箱壁。 第一多个和第二多个轴向排放通道从油环槽延伸到冠部的底部，第一和第二多个轴向排放通道基本上居中在活塞的相对的箱侧面，并且每个多个轴向排水 横跨大约45-75度的弓形部分。