Back to results
US 2006/0131973 A1Published application
Fan
AssigneeDelta Electronics, Inc.
InventorsYung-Yu Chiu, Shun-Chen Chang, Kuo-Cheng Lin, Wen-Shi Huang
Life of this patent
Estimating the term…
Abstract
A fan includes a fan base, a bearing assembly, a fan hub and a shaft. The fan hub is formed with an extrusion protruding from its top planar surface, and the shaft is fit into the bearing assembly and connected to the fan hub. The shaft has one end protruding from the top planar surface of the fan hub to form an extension portion, and the extension portion of the shaft is enclosed by and in close connection with the extrusion of the fan hub.
Claims19
A fan comprising:
- a fan base;
- a bearing assembly mounted on the fan base;
- a fan hub formed with an extrusion protruding from a top planar surface of the fan hub;
- and
- a shaft fit into the bearing assembly and connected to the fan hub, the shaft having one end protruding from the top planar surface of the fan hub to form an extension portion enclosed by and in close connection with the extrusion of the fan hub;
- wherein the extension portion of the shaft has a groove thereon to be securely fixed to the extrusion of the fan hub.
3 more elements
A fan comprising:
- a frame;
- a fan base, which is positioned higher than the bottom of the frame;
- a bearing assembly mounted on the fan base;
- a fan hub formed with an extrusion protruding from an outer planar surface of the fan hub;
- a plurality of blades disposed around the fan hub;
- and
- a shaft fit into the bearing assembly and connected to the fan hub, the bearing assembly and the shaft both protruding from the bottom surface of the fan base, and the shaft having one part enclosed by the extrusion of the fan hub.
4 more elements
A fan comprising:
- a fan base;
- a bearing assembly mounted on the fan base;
- a fan hub;
- a plurality of blades, each of the blades including a bevel edge extending from the fan hub to form an upper edge higher than the fan hub;
- a shaft supported by the bearing assembly and connected to the fan hub;
- and
- a sleeve embedded between the shaft and the fan hub.
4 more elements
Dependencies are inferred from the claim text.