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 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