| 发明名称 |
Method of and suction dredging device for sucking up dredgings. |
| 摘要 |
Dredgings which, in suction operation, are sucked up by means of a suction head, comprising a flexible wall (4), so that the suction head is adjusted in dependence on a pressure difference between the pressure P1 of a suspension stream (10) and the pressure P2 prevailing in the ambient water (51).
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| 申请公布号 |
EP0047803(A1) |
申请公布日期 |
1982.03.24 |
| 申请号 |
EP19800200862 |
申请日期 |
1980.09.12 |
| 申请人 |
DOSBOUW V.O.F. |
发明人 |
BAKKER, ADRIAAN DANIEL;WOLTERS, TJAKO AALDRIK |
| 分类号 |
E02F3/90;E02F3/92;(IPC1-7):E02F3/92 |
主分类号 |
E02F3/90 |
| 代理机构 |
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代理人 |
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