发明名称 Gas-regulation method in pumped liquid - returns liquid tapped off downstream to pump inlet as necessary
摘要 <p>The method regulates the proportions of gas and liquid in a pump handling a mixture of several phases. A selected quantity of liquid is tapped off from a pipe (6) downstream of the pump (1), and the gas content of the liquid is determined at the pump inlet. Whenever this exceeds a predetermined value, the tapped-off liquid is delivered by a return pipe (9) back to the inlet again. The mixture can consist of products emerging from an oil well.</p>
申请公布号 NL8901997(A) 申请公布日期 1991.03.01
申请号 NL19890001997 申请日期 1989.08.03
申请人 SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. TE 'S-GRAVENHAGE. 发明人
分类号 F04D31/00 主分类号 F04D31/00
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