基本信息:
- 专利标题： PISTON ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE
- 申请号：US16555573 申请日：2019-08-29
- 公开(公告)号：US20210062916A1 公开(公告)日：2021-03-04
- 发明人： Balakrishna Chinta , John B. Fisher , Zheng Ma
- 申请人： GM Global Technology Operations LLC
- 申请人地址： US MI Detroit
- 专利权人： GM Global Technology Operations LLC
- 当前专利权人： GM Global Technology Operations LLC
- 当前专利权人地址： US MI Detroit
- 主分类号： F16J9/20
- IPC分类号： F16J9/20 ; F16J1/00 ; F16J1/08
摘要：
A piston assembly for an internal combustion engine of a motor includes a piston head having an outer diameter surface spaced a first distance from the longitudinal axis and an annular surface spaced a second distance from the longitudinal axis, with the second distance being less than the first distance. Upper and lower walls extend between the annular surface and the outer diameter surface so as to define an annular groove in the outer diameter surface. A piston ring is received within the annular groove and includes an inner diameter surface facing the annular surface of the piston head. The inner diameter surface of the piston ring and the annular surface of the piston head cooperate with one another to define a plurality of pockets angularly spaced from one another about the longitudinal axis and configured to receive oil.
公开/授权文献:
IPC结构图谱:
| F | 机械工程；照明；加热；武器；爆破 |
| --F16 | 工程元件或部件；为产生和保持机器或设备的有效运行的一般措施；一般绝热 |
| ----F16J | 活塞；缸；一般压力容器；密封 |
| ------F16J9/00 | 活塞环，活塞环槽；一般相似结构的环形密封 |
| --------F16J9/12 | .零件 |
| ----------F16J9/20 | ..特殊截面的环；刮油环 |