发明名称 |
Multi-part piston oil ring |
摘要 |
A spacer-expander member for holding one or two cylinder-engaging rails in a groove in a piston is formed to present a plurality of radially inwardly-directed spacer feet which are so located that they engage the groove bottom in a region spaced from the groove sides.
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申请公布号 |
US4183544(A) |
申请公布日期 |
1980.01.15 |
申请号 |
US19780902921 |
申请日期 |
1978.05.04 |
申请人 |
GOETZEWERKE FRIEDRICH GOETZE AG |
发明人 |
JOHREN, PAUL;MORSBACH, MARTIN |
分类号 |
F16J9/20;F16J9/06;(IPC1-7):F16J9/00 |
主分类号 |
F16J9/20 |
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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