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Liu Diankui, He Benyuan, Cui Yongqiang: Oil submersible pump. Institut of Engineering Thermophysics of Chinese Academy of Sciences, Antonelli Terry & Wands, September 12, 1989: US04865519 (6 worldwide citation)

A multi-stage centrifugal pump mainly used for oil extraction, which incls two essential components, namely, a rotational impeller comprising several blades and a stationary diffuser. The shapes of blades and flow passages are designed by using three-dimensional flow theory. The configuration is cha ...


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Chen Yunhao, Liu Diankui, Lu Hongbo, Zhang Xiankun: Centrifugal pump. Hunan Lineng Science & Technology, Xu Zaolan, July 7, 2010: CN201010114614

The invention discloses a centrifugal pump which comprises a pump body, wherein a front rectifier is arranged between an inlet and a water inlet pipe of a pump body, and a rear rectifier is positioned between an outlet and a water outlet pipe; the front rectifier mainly consists of a diversion cone, ...


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Cui Yongqiang, He Benyuan, Liu Diankui: Submersible pump. Engineering Thermo Physics Inst Under Chinese Academy Of Sciences, SUN SHUZONG, February 28, 1990: CN88100682

This submerged oil pump is a multi-stage centrifugal one, mainly used in oil extraction. It comprises two essential parts: a rotor and a static diffuser, both having a number of vanes respectively. The contours of the vanes and flow channels are designed according to a ternary flowing theory. It is ...


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Cui Shuiqiang, He Benyuan, Liu Diankui: Submerged-in-oil pump. Engineering Thermal Physics Inst, Chinese Academy of Sciences, FANG GUOCHENG GUAN XINGUO, August 31, 1988: CN86108707

The present inventive submerged-in-oil pump is a multistage centrifugal pump used mainly for recovering petroleum. It is composed of two main parts, i.e., rotatory centrifugal impeller and static contraprop, which contain several blades respectively. The three-dimentional flow theary is used to desi ...


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Cao Bo, Liu Diankui, Shi Hang: Double-channel industrial pump with non-rotating impellers. Xinkai General Pilot Plant, Xicheng District, Beijing, ZHU LIGUANG, October 21, 1992: CN91101822

This industrial pump is composed of casing, rotating drum body, and static vane wheel. After lequid goes into the pump body, it flows into an outer channel between static vane wheel and rotating drum body to obtain high speed, and, via nozzles installed on the vane wheel at the outer edge of outer c ...


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Cao Bo, Liu Diankui, Shi Hang: Rotary slurry pump. Xinkai General Pilot Plant, Xicheng District, Beijing, ZHU LIGUANG, October 21, 1992: CN91101823

This rotary slurry pump is composed of casing, rotating drum body and static cylindrical vane wheel. After slurry flows into pump body, it goes at first into an outer channel of static vane wheel and rotating drum body to be speeded up and then is "cut" by spiral nozzles on the surface of the vane w ...


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