Does anyone know about hemispherical pumps?
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Does anyone know what kind of pump a hemispherical pump is, and what type of fluid it is mainly used to transport?
Take a look: It might be helpful to you: http://www.**iedu.com.cn/bm_web/chuang*n/main/bqb.htm
The hemispherical swing rotor pump is a volumetric pump with a simple structure, consisting of a spherical rotor and stator, a drive shaft, a driven shaft, sealing strips, and end caps. Driven by the drive shaft, the rotor precesses, creating two periodically changing sealed chambers, thereby enabling the pump to draw in and discharge fluid. This device can be used as a gas compressor and a pump for transporting fluids
This type of pump may not be used very often these days, and specific information about it is hardly available online; it is likely used for transporting relatively viscous fluids