| 摘要 |
An improved D.C. brushless air fan comprises a rotor, a stator and a casing. The rotor has vanes mounting to a spindle and has a juncture with an oil cap located at the juncture. The oil cap has an annular oil trough to prevent oil from spinning out. The stator has a lower insulation plate which has inverse hooks formed in diagonal fashion. The casing has a center strut and latch sections symmetrical about the axis of the strut matching and engageable with the inverse hooks. The latch sections have axial grooves extending to the bottom thereof.
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