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US 8,465,260 B2Granted
Combination fan propeller structure
AssigneeBeijing AVC Technology Research Center Co., Ltd.
InventorsJen-Chieh Wu, Chiang-Han Chen
Life of this patent
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Abstract
A combination fan propeller structure including a hub and at least one first blade assembly. The hub includes a top section and an annular section extending from the top section. The annular section has a free end distal from the top section. The first blade assembly has at least one connection section for connecting with the free end to form the fan propeller structure.
Claims10
A combination fan propeller structure comprising:
- a hub including a top section and an annular section extending from the top section, the annular section having a free end distal from the top section;
- and
- at least one first blade assembly having at least one connection section, the connection section having a U-shaped channel in which the free end is complementarily inserted and received, wherein inner sides of the channel are complementarily fixedly connected with inner and outer sides of the free end for connecting with the free end to integrate the hub.
Dependencies are inferred from the claim text.