| 发明名称 |
Down-pumping heat pipes |
| 摘要 |
Down-pumping heat pipes are provided to augment natural earth heat when used in association with conventional or up-pumping heat pipes for the purpose of maintaining an area such as a roadway free of ice and snow.
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| 申请公布号 |
US4050509(A) |
申请公布日期 |
1977.09.27 |
| 申请号 |
US19760736548 |
申请日期 |
1976.10.28 |
| 申请人 |
DYNATHERM CORPORATION |
发明人 |
BIENERT, WALTER B.;PRAVDA, MILTON F. |
| 分类号 |
F28D15/02;(IPC1-7):F28D15/00 |
主分类号 |
F28D15/02 |
| 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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