professional manufacturer Rotor pump( rotary pump, lobe pump) Rotor pump( rotary pump, lobe pump) Operation PrincipleRotor pump is also named colloid pump, three-lobe pump, sole pump, etc. When the 2 simultaneous reverse rotating rotors (with 2-4 gears) revolve, it produces suction force at the inlet (vacuum), which intakes the material delivered. The 2 rotors divide the rotor housing into many ...