| 发明名称 |
FLUID PRESSURE FEEDING APPARATUS |
| 摘要 |
<p>A fluid pressure feeding apparatus is disclosed which feeds cold water for cooling a mining pit into the pit and pumps up water and muddy water heated within the mining pit onto the ground. A controller for switching a number of the operative chambers is provided to thereby perform a continuous operation.</p> |
| 申请公布号 |
CA2038280(C) |
申请公布日期 |
1995.05.30 |
| 申请号 |
CA19912038280 |
申请日期 |
1991.03.14 |
| 申请人 |
HITACHI, LTD. |
发明人 |
KAMINO, YUKISHIGE;UCHIDA, KENJI;SAITO, MAKOTO |
| 分类号 |
B65G53/30;E21F3/00;E21F16/00;F04B23/04;(IPC1-7):F17D1/14 |
主分类号 |
B65G53/30 |
| 代理机构 |
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代理人 |
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