Patent ID: 7291952

Claim:
A low-abrasion rotating structure comprising: a rotor set comprising a rotor hole; a stator set comprising: a first stator assembly comprising: a first stator seat comprising a concave portion; a first stator sleeve disposed in the concave portion of the first stator seat in a close fit manner, wherein a stator hole is formed at a center of the first stator sleeve; a second stator assembly comprising: a second stator seat comprising a concave portion; a second stator sleeve disposed in the concave portion of the second stator seat in a close fit manner, wherein the stator hole is formed at a center of the second stator sleeve; and a rotating shaft rotatably disposed in the rotor hole and the stator hole such that the rotating shaft is rotatable relative to the stator set and the rotor set, wherein the rotor set is disposed between the first stator assembly and the second stator assembly, and the rotating shaft is encapsulated by the rotor set and the stator set.