发明名称 |
PISTON WITH REDUCED TOP LAND HEIGHT AND TIGHT TOP LAND PISTON PROFILE |
摘要 |
An assembly includes a cylinder having a bore diameter, and a piston disposed within the cylinder. The piston is provided with a top land and a top ring groove. The top land and the cylinder are provided with a tight top land clearance. The ratio of the top land height to the bore diameter is less than or equal to 0.075. |
申请公布号 |
US2015198113(A1) |
申请公布日期 |
2015.07.16 |
申请号 |
US201414154462 |
申请日期 |
2014.01.14 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
Donahue Richard John |
分类号 |
F02F3/24 |
主分类号 |
F02F3/24 |
代理机构 |
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代理人 |
|
主权项 |
1. An assembly for use in an internal combustion engine comprising:
a cylinder having a bore diameter; a piston disposed within the cylinder, the piston having a top land with a top land height, wherein the top land of the piston is made of aluminum; the top land and the cylinder having a tight top land clearance between an aluminum surface of the top land interfacing with an inner surface of the cylinder; and wherein the ratio of the top land height to the bore diameter is less than or equal to 0.025. |
地址 |
SCHENECTADY NY US |