Internal gear pump works

[Asia Pump Network News] Internal gear pump gear is mainly used to seal the volume change between the oil pressure to achieve suction. Due to its compact structure, small size, light weight, stable operation, low noise, high volumetric efficiency and other characteristics, so much attention. Schematic diagram of the internal gear pump works Internal gear pump is equipped with oil pan (front and rear cover), the outer rotor (driven wheel) and eccentric placed in the pump body rotor (capstan) and other components. The inner and outer rotors differ by one tooth, the inner rotor is six teeth in the figure, and the outer rotor is seven teeth. Because the inner and outer rotors are multi-tooth meshing, a number of sealed volumes are formed. Internal gear pump with involute tooth (Crescent) and cycloid tooth (Grout) two, the structure of a schematic view can be seen. These two kinds of internal gear pump work principle and main features are the same with the external gear pump. In the involute toothed internal gear pump, between the pinion and the internal gear to install a crescent clapboard in order to separate the oil sump and the pressure chamber, as shown in Figure (a); cycloidal meshing gear pump Also known as cycloid pump, in this pump, the pinion and the internal gear only one tooth difference, so do not need to set the diaphragm, as shown in Figure (b). The pinion gear in the internal gear pump is the driving wheel, the big gear is the driven wheel, and the big gear rotates in the same direction with the pinion gear during work. The above is the basic description of the working principle of the internal gear pump, hoping to provide some help for your understanding and learning. Extended reading: "Industry Leader" magazine Industrial Internet (Xiamen) Technology Co., Ltd. Asia Pump Network Editor: April (QQ / WeChat:) http://beng.liuti.cn/ (Service Hotline:)

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