发明名称 |
Piston rings particularly suited for use with ceramic matrix composite pistons and cylinders |
摘要 |
A piston ring for use with ceramic matrix composite engine cylinders. In one embodiment, an extra-hard material is used for a conventional ring design. In another embodiment, a hardened edge employing Tungsten Carbide Cobalt is employed. The same edge treatment can also be employed for other seals such as that of a rotary engine.
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申请公布号 |
US5794943(A) |
申请公布日期 |
1998.08.18 |
申请号 |
US19970820932 |
申请日期 |
1997.03.19 |
申请人 |
NORTHROP GRUMMAN CORPORATION |
发明人 |
ATMUR, STEVEN DONALD;STRASSER, THOMAS EDWARD |
分类号 |
F16J9/26;F16J9/28;(IPC1-7):F16J9/28 |
主分类号 |
F16J9/26 |
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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