发明名称 |
PISTON RING FOR AN INTERNAL COMBUSTION ENGINE |
摘要 |
A piston ring for sealing a cylinder wall to a piston body is provided. The piston ring includes a ring body of an elastically deformable material which extends substantially circumferentially around an axis and has an inner face that faces the axis. The inner face includes a plurality of axially spaced and radially inwardly extending contact features. The ring body configured to bias the contact features into engagement with the piston body to establish a seal therebetween. At least one of the contact features extends substantially continuously around a circumference for establishing a substantially continuous seal around the piston body, and at least one of the contact features is non-continuous and has at least one recessed area for allowing the passage of oil and gas therethrough. |
申请公布号 |
EP2815116(A1) |
申请公布日期 |
2014.12.24 |
申请号 |
EP20130706395 |
申请日期 |
2013.02.15 |
申请人 |
FEDERAL-MOGUL CORPORATION |
发明人 |
JENNESS, BLAIR, MATTHEW;PEDIGO, MATTHEW, RYAN;KENTOLA, TROY |
分类号 |
F02F1/20;F02F1/00;F02F5/00;F16J9/20 |
主分类号 |
F02F1/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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