发明名称 |
Piston ring has oil grooves on each face which assist flow of liquid and reduce hydrodynamic pressure on ring. |
摘要 |
The piston ring has oil grooves (8', 9) on each face. These assist the flow of liquid and reduce hydrodynamic pressure on the ring. An Independent claim is included for a seal between a rotating shaft and a housing using the piston ring.
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申请公布号 |
DE19932702(A1) |
申请公布日期 |
2001.01.18 |
申请号 |
DE19991032702 |
申请日期 |
1999.07.15 |
申请人 |
VOLKSWAGEN AG |
发明人 |
SCHMIDT, ANDREAS |
分类号 |
F16J15/44;(IPC1-7):F16J15/16;F16J9/00 |
主分类号 |
F16J15/44 |
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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