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公开(公告)号:US4412790A
公开(公告)日:1983-11-01
申请号:US310749
申请日:1981-10-13
申请人: Thomas J. Ruyter
发明人: Thomas J. Ruyter
CPC分类号: E02F3/907 , E02F3/902 , F04D15/0016
摘要: Method and device for safeguarding hydraulic transport of a suspension of edging spoil and water by supplementing a dosed water amount onto the suction side of the pump, whereas as much and as long as possible suction power is maintained in the suction duct for feeding much material to be transported and little water into the suction duct.
摘要翻译: 通过向泵的吸入侧补充计量的水量来保护疏浚废弃物和水的悬浮液的液压输送的方法和装置,而尽可能多的并且尽可能长的吸入力保持在吸入管道中以将多量材料供给 运输和少量的水进入吸气管。
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公开(公告)号:US4584784A
公开(公告)日:1986-04-29
申请号:US320063
申请日:1981-11-10
CPC分类号: E02F9/2045 , E02F3/8883 , E02F3/905 , E02F3/907 , G05D1/048
摘要: A tool is controlled below a water surface by carrying out a level comparison between a level-fixed measuring element postioned on land and a level-varying measuring element belonging to the tool and by adjusting the level of the tool with respect to a floating body in dependence upon said comparison.
摘要翻译: 通过在陆地上定位的水平固定的测量元件和属于该工具的水平变化测量元件之间进行水平比较,并通过相对于浮体调节工具的水平,将工具控制在水面以下 依赖于所述比较。
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