| 发明名称 |
Device for cooling longwall faces |
| 摘要 |
The invention relates to a cooling device, in particular for thin-seam longwall faces in underground coal mining. Provided for this purpose is at least one conduit (3) which is integrated in the conveying means on the goaf side, receives a cooled component air flow and is provided with controllable openings (4) over the entire length. <IMAGE>
|
| 申请公布号 |
DE3420392(A1) |
申请公布日期 |
1985.12.05 |
| 申请号 |
DE19843420392 |
申请日期 |
1984.06.01 |
| 申请人 |
RUHRKOHLE AG |
发明人 |
ALTENA,HEINZ,PROF.DIPL.-ING.DR.;TEKATHEN,HANS,DIPL.-ING. |
| 分类号 |
E21F3/00;(IPC1-7):E21F3/00 |
主分类号 |
E21F3/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
