Patent ID: 8324766

Claim:
A heat-dissipation structure for a motor, comprising: a shaft; a seat; and a rotator coupled to the seat by the shaft, comprising: a shell connected to the shaft and comprising a top surface having a plurality of through holes; a hub connected with and accommodating the shell, the hub comprising an opening having a circumference, wherein the opening of the hub exposes the plurality of through holes of the shell; a cover covering the opening of the hub and positioned apart from the hub by a distance, the top surface of the shell being enclosed within a combination of the hub and the cover so as to prevent an object from entering the plurality of through holes of the shell; and a plurality of connecting members utilized for connecting the cover to the hub, wherein the plurality of connecting members connect to the hub at the circumference of the opening and extend radially inward from said circumference along a bottom side of the cover, the plurality of through holes of the shell are respectively located between any two adjacent connecting members and are not blocked by the connecting members such that airflow passes through the through holes of the shell and is guided, between the cover and the hub, radially outward by the connecting members; wherein the hub, the cover, and the plurality of connecting members are formed as a single piece, and wherein the plurality of connecting members are located within the circumference of the opening and directly between said opening and the cover.