| 摘要 |
A winglet 70 for a fan blade 30, comprising: (a) a vertical member and (b) a mounting member, wherein at least a portion of the mounting member is substantially perpendicular to at least a portion of the vertical member, wherein the mounting member is configured to mount to a fan blade 30 first end, wherein the fan blade 30 is configured to be mounted to a fan hub at a second end of the fan blade 30, the second end being opposite the first end; wherein the vertical member has a rear edge, wherein the mounting member has a trailing edge, wherein, when mounted to the first end of the fan blade 30 having a trailing edge, the distance from the mounting member trailing edge to a point on the rear edge of the vertical member is greater than the distance from the mounting member trailing edge to the fan blade 30 trailing edge at the first end.
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