公开(公告)号：US09062768B2

公开(公告)日：2015-06-23

申请号：US13946866

申请日：2013-07-19

Applicant: Federal-Mogul Corporation

Inventor： Miguel Azevedo ,  Keith Hampton

IPC: F01P3/10 ,  F16J1/09 ,  F02F3/22 ,  F16J9/22 ,  F16J9/06

CPC classification number: F16J1/09 ,  F02F3/22 ,  F16J9/062 ,  F16J9/22 ,  Y10T29/49265

Abstract: A piston for an internal combustion engine and method of construction thereof are provided. The piston includes a piston body having an upper combustion surface and an annular cooling gallery surrounding an undercrown region. An outer wall depends from the upper combustion surface. An annular ring belt region is formed in the outer wall adjacent the upper combustion surface. The ring belt region has at least one ring groove formed therein. At least one oil passage extends from the at least one ring groove to the cooling gallery. The oil passage has a first portion depending radially inwardly from the ring groove and a second portion ascending radially inwardly from the first portion to the cooling gallery.

Abstract translation: 提供了一种用于内燃机的活塞及其构造方法。 活塞包括具有上部燃烧表面的活塞体和围绕底下区域的环形冷却槽。 外壁依靠上燃烧面。 在邻近上燃烧表面的外壁中形成环形环带区域。 环带区域中形成有至少一个环槽。 至少一个油路从至少一个环槽延伸到冷却槽。 油通道具有从环槽径向向内的第一部分和从第一部分向冷却槽径向向内上升的第二部分。

公开(公告)号：US20140020648A1

公开(公告)日：2014-01-23

申请号：US13946866

申请日：2013-07-19

Applicant: FEDERAL-MOGUL CORPORATION

Inventor： Miguel Azevedo ,  Keith Hampton

IPC: F16J1/09

CPC classification number: F16J1/09 ,  F02F3/22 ,  F16J9/062 ,  F16J9/22 ,  Y10T29/49265

Abstract: A piston for an internal combustion engine and method of construction thereof are provided. The piston includes a piston body having an upper combustion surface and an annular cooling gallery surrounding an undercrown region. An outer wall depends from the upper combustion surface. An annular ring belt region is formed in the outer wall adjacent the upper combustion surface. The ring belt region has at least one ring groove formed therein. At least one oil passage extends from the at least one ring groove to the cooling gallery. The oil passage has a first portion depending radially inwardly from the ring groove and a second portion ascending radially inwardly from the first portion to the cooling gallery.

Abstract translation: 提供了一种用于内燃机的活塞及其构造方法。 活塞包括具有上部燃烧表面的活塞体和围绕底下区域的环形冷却槽。 外壁依靠上燃烧面。 在邻近上燃烧表面的外壁中形成环形环带区域。 环带区域中形成有至少一个环槽。 至少一个油路从至少一个环槽延伸到冷却槽。 油通道具有从环槽径向向内的第一部分和从第一部分向冷却槽径向向内上升的第二部分。