... 8. Bracket, 9.-11. Coupling, 12.Hood, 13. Base, 14. Electric motor. Figure 1. IMK-(Cantilever with Bracket) Direct Coupled Connection ... the schematic drawing, an electric motor and an external magnetic rotor compose a drive unit, while an impeller and an inner magnetic rotor constitute ... between the external magnet rotor and inner magnet rotor, electric motor can drive the inner rotor, pump’s shaft ...