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Vane pump works
First, the single role of the blade is embedded in the groove, you can slide freely, when the rotation is generated, the blade thrown to the pump shell under the action of centrifugal force, the vane pump is a positive displacement pump, the adjacent two leaves when moving to the bottom with the pump Shell and rotor closed the smallest volume, the maximum at the top, when the rotor rotates clockwise, the two adjacent leaves experience from the bottom to the top of the process is the volume increase, so oil (from the fourth quadrant to the second quadrant ); From the top to the bottom is the volume reduction process, so press the oil (from the second to the fourth quadrant). Second, the double role When the motor drives the rotor along the rotation, the blade under the centrifugal force and the pressure of the bottom of the blade out of the oil under the effect of its top close to the stator surface. The four blades on the four concentric circular arcs respectively form four sealed working oil chambers with the outer surface of the rotor, the inner surface of the stator and the two valve plates. These oil chamber with the rotation of the rotor, seal the working oil chamber produce small to big or small to small changes, can be through the oil distribution window suction port (connected to the suction port) or drain window (connected to the drain port) Inhale or extrude the oil. Each rotor in the process of rotation, each working oil to complete two oil and oil pressure, so called double-acting vane pump, due to symmetrical symmetry of high pressure chamber, the shaft force balance, unloading type.