Why Is the Single-Acting Vane Pump Called a Non-Unloading Pump
Core Reason: Permanent Eccentricity In a standard single-acting vane pump: The cam ring and rotor maintain fixed eccentricity Pump displacement remains constant Flow is continuously delivered during rotation There is no built-in pressure unloading path Therefore, the pump does not automatically unload under pressure, so it is called a non-unloading vane pump. Hydraulic Behavior […]
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