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US 10,247,196 B2Granted
Blade module and fan using the same
AssigneeAcer Incorporated
InventorsKuang-Hua Lin, Cheng-Wen Hsieh, Wen-Neng Liao
Life of this patent
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Abstract
A blade module and a fan using the same are provided. The blade module includes a rotating shaft and a plurality of blades. Each blade is connected to the rotating shaft and includes a blade body and an airflow guiding portion. The airflow guiding portion is connected to the blade body and has an opening.
Claims9
A blade module, comprising:
- a rotating shaft;
- and
- a plurality of blades each connecting to the rotating shaft and comprising:
- a blade body having a first edge and a second edge, wherein the first edge and the second edge are arranged in an axial direction of the rotating shaft;
- and
- a first airflow guiding portion connecting to the blade body at a local portion of the first edge,
- wherein each first airflow guiding portion has an enclosed first opening, and
- each enclosed first opening has a second airflow guiding portion connected to an opening edge of the enclosed first opening.
5 more elements
A fan, comprising:
- a blade module comprising:
- a rotating shaft;
- and
- a plurality of blades each connecting to the rotating shaft and comprising:
- a blade body having a first edge and a second edge, wherein the first edge and the second edge are arranged in an axial direction of the rotating shaft;
- and
- a first airflow guiding portion connecting to the blade body at a local portion of the first edge, wherein the first airflow guiding portion has an enclosed first opening and the enclosed first opening has a second airflow guiding portion connected to an opening edge of the enclosed first opening;
- and
- a casing surrounding a portion of the blade module and separated from each first airflow guiding portion by a distance.
6 more elements
Dependencies are inferred from the claim text.