DEVICE FOR PUMPING HIGHLY-VISCOUS MATERIAL, IN PARTICULAR THICK OIL,申请号FI1986000144-传众专利搜索

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发明名称	DEVICE FOR PUMPING HIGHLY-VISCOUS MATERIAL, IN PARTICULAR THICK OIL
摘要	<p>A device for pumping highly-viscous material, particularly thick oil, said device being adapted to immersion in the material and comprising a helical screw (8) and surrounding said screw a shell (9). In order to ensure the feed of the material said screw and said shell are arranged to rotate in opposite directions and to said shell are fixed outwardly-directed feeding vanes (15) and at the root of said feeding vanes on the material collection side are apertures for the delivery of the material to screw (8) rotating within said shell. The speeds of rotation of said screw and said shell can be separately adjustable.</p>
申请公布号	WO1987003652(A1)	申请公布日期	1987.06.18
申请号	FI1986000144	申请日期	1986.12.10
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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