| 发明名称 |
FREE PISTON WITH TIME VARYING CLEARANCE SEAL |
| 摘要 |
<p>A free piston device which is particularly applicable for use with a linear motor for providing acoustic energy to a cryocooler for generating refrigeration at cryogenic temperatures which comprises a time varying clearance seal to counteract piston drift.</p> |
| 申请公布号 |
EP1753987(A4) |
申请公布日期 |
2011.07.20 |
| 申请号 |
EP20050725663 |
申请日期 |
2005.03.14 |
| 申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
SPOOR, PHILIP, S. |
| 分类号 |
F16J1/06;F15B15/14;F16J15/16;F16J15/56 |
主分类号 |
F16J1/06 |
| 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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