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US 6,674,204 B1Granted
Magnet-positioning device for rotor
AssigneeSunonwealth Electric Machine Industry Co., Ltd.
InventorsAlex Horng, Yin-Rong Hong
Life of this patent
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Abstract
A magnet-positioning device for a rotor in accordance with the present invention mainly comprises a rotor hub, a metal casing, and an annular magnet. The rotor hub includes an annular wall and an engaging portion formed thereon. The engaging portion is adapted to engage with the metal casing, which is integrally adhered with the annular magnet. The metal casing includes a first end edge and a second end edge, and an outer diameter formed by the second end edge is slightly greater than an inner diameter formed by the engaging portion.
Claims12
A rotor comprising:
- a rotor hub having a shaft axially extended therefrom, and an annular wall surrounding the shaft, the annular wall including an inner surface provided with an engaging portion;
- and
- a metal casing being adhered with an annular magnet, the metal casing including a first and edge provided with a first outer diameter, and a second end edge provided with a second outer diameter, the second outer diameter is slightly grater than an inner diameter formed by the engaging portion;
- wherein the second end edge is fittingly engaged with the engaging portion after the metal casing is forced to insert into the rotor hub.
1 more element
Dependencies are inferred from the claim text.