| 发明名称 |
FLUID PRESSURE FEEDING APPARATUS |
| 摘要 |
<p>A fluid pressure feeding apparatus for feeding cold water for cooling a mining pit into the pit and pumping 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 |
AU620274(B2) |
申请公布日期 |
1992.02.13 |
| 申请号 |
AU19910072074 |
申请日期 |
1991.03.05 |
| 申请人 |
HITACHI, LTD. |
发明人 |
YUKISHIGE KAMINO;KENJI UCHIDA;MAKOTO SAITO |
| 分类号 |
B65G53/30;E21F3/00;E21F16/00;F04B23/04;(IPC1-7):E21B21/10;E21B21/08;E21B21/12 |
主分类号 |
B65G53/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
