Shaft balance plate for brushless DC motors, comprises magnetic non-inductive element with ring which separates lower pole plate of stator from balance plate

摘要

The balance plate (13) is provided with a fixing hole (131) arranged around the axial tube (141) of the stator (14), so that between the inner circumference of the fixing hole of the balance plate and the axial tube a gap is provided. The balance plate (13) and the permanent magnet (151) of the rotor are mutually attracted. A magnetic non-inductive element (16) has a ring (161) and a flange (162). The ring separates a lower pole plate (142) of the stator (14) from the balance plate, and the flange is arranged in the gap between the inner circumference of the fixing hole of the balance plate and the axial tube.