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Single-acting vane pump consists of vane and oil distribution plate. The rotor has a radial chute with blades inside, and oil distribution discs are installed on both sides of the rotor. The inertia and oil pressure during rotation make the blades abut against the stator to form a plurality of sealed spaces. The oil distribution plate has an oil suction window and an oil pressure window, which are blades when working.

The working principle of vane pump is analyzed. What are the characteristics of double-acting vane pump and single-acting vane pump?

Single-acting vane pump, also known as unbalanced pump, has a large bearing load. The displacement of the pump can be changed by changing the eccentricity between the stator and the rotor, so the pumps are all variable displacement pumps.

What is the working principle of double-acting vane pump? Its working principle is similar to that of a single-acting vane pump.

Double-acting vane pump is also called balance type. The working principle of single-acting vane pump is mainly composed of stator, rotor, vane and oil distribution plate. The inner surface of the stator is cylindrical, and the rotor is eccentrically installed in the stator, i.e. there is an eccentricity e. Moreover, the centrifugal force is not used to transport the liquid by the interaction between the blades and the liquid.

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