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    • 5. 发明申请
    • Weight balanced internal combustion engine piston
    • 重量平衡内燃机活塞
    • US20110100317A1
    • 2011-05-05
    • US12916727
    • 2010-11-01
    • Jie HeJeffrey Paul Buening
    • Jie HeJeffrey Paul Buening
    • F02F3/00B23P15/10
    • F02F3/003F02F3/22F02F2200/04Y10T29/49249
    • A piston for an internal combustion engine includes a piston crown connected to and above a body portion of the piston. The body portion forms two pin bores and the piston crown defines an outer cylindrical wall. At least one piston ring seal groove is formed in the outer cylindrical wall and extends peripherally around the piston crown. A first oil collection groove is formed in the outer cylindrical wall below the piston ring seal groove. The first oil collection groove has a first width measured along a centerline of the piston. A second oil collection groove is formed in the outer cylindrical wall below the first oil collection groove, extends parallel to the first oil collection groove around the entire periphery of the piston, and has a width that is at least double the width of the first oil collection groove.
    • 用于内燃机的活塞包括连接到活塞的主体部分上方和上方的活塞冠。 主体部分形成两个销孔,并且活塞顶部限定外圆柱形壁。 至少一个活塞环密封槽形成在外圆柱形壁中并且围绕活塞顶部周向延伸。 在活塞环密封槽下方的外圆筒壁上形成有第一采油槽。 第一采油槽具有沿活塞的中心线测量的第一宽度。 第二采油槽形成在第一采油槽下方的外圆筒壁中,在活塞的整个周边上平行于第一采油槽延伸,并且其宽度至少是第一油的宽度的两倍 收集槽。
    • 9. 发明授权
    • Weight balanced internal combustion engine piston
    • 重量平衡内燃机活塞
    • US09097202B2
    • 2015-08-04
    • US12916727
    • 2010-11-01
    • Jie HeJeffrey Paul Buening
    • Jie HeJeffrey Paul Buening
    • F02F3/22F02F3/00
    • F02F3/003F02F3/22F02F2200/04Y10T29/49249
    • A piston for an internal combustion engine includes a piston crown connected to and above a body portion of the piston. The body portion forms two pin bores and the piston crown defines an outer cylindrical wall. At least one piston ring seal groove is formed in the outer cylindrical wall and extends peripherally around the piston crown. A first oil collection groove is formed in the outer cylindrical wall below the piston ring seal groove. The first oil collection groove has a first width measured along a centerline of the piston. A second oil collection groove is formed in the outer cylindrical wall below the first oil collection groove, extends parallel to the first oil collection groove around the entire periphery of the piston, and has a width that is at least double the width of the first oil collection groove.
    • 用于内燃机的活塞包括连接到活塞的主体部分上方和上方的活塞冠。 主体部分形成两个销孔,并且活塞顶部限定外圆柱形壁。 至少一个活塞环密封槽形成在外圆柱形壁中并且围绕活塞顶部周向延伸。 在活塞环密封槽下方的外圆筒壁上形成有第一采油槽。 第一采油槽具有沿活塞的中心线测量的第一宽度。 第二采油槽形成在第一采油槽下方的外圆筒壁中,在活塞的整个周边上平行于第一采油槽延伸,并且其宽度至少是第一油的宽度的两倍 收集槽。