A portable fan with bionic wing impeller
By using biomimetic wing blade design and a reasonable impeller structure, the problems of low efficiency, small flow rate and high noise in handheld fans have been solved, achieving a performance improvement of high efficiency and low noise.
CN122258047BActive Publication Date: 2026-07-21FOSHAN CITY NANHAI POPULA FAN
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- FOSHAN CITY NANHAI POPULA FAN
- Filing Date
- 2026-05-26
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
Existing hand-held fans suffer from poor performance, such as low efficiency, small flow rate, low total pressure, and excessive noise, making it difficult to meet the requirements of society and users.
Method used
The design incorporates biomimetic wing blades, combined with a microporous array and a rational impeller and cylinder structure. It optimizes blade parameters and the blade spanwise serrated structure, and sets up a trumpet-shaped air inlet and outlet to enhance airflow guidance and noise control.
Benefits of technology
It improves fan efficiency, flow rate and total pressure, reduces noise, and enhances safety and ease of use.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122258047B_ABST
Abstract
The application relates to the axial flow fan industry field, in particular to a portable air blower with a bionic wing impeller, which comprises a casing and an impeller, the casing comprises a cylinder body, the impeller is arranged in the cylinder body, the impeller comprises a hub and a plurality of blades arranged in an array around the hub; the blades are bionic wing blades, the blade comprises a blade root connected with the hub, a blade tip away from the hub, a first side and a second side connecting the blade root and the blade tip, the second side comprises a connecting part close to the blade root and a bionic part close to the blade tip; the arc length of the connecting part is 1.75-1.82 times the length L5 of the bionic part; the bionic part is arranged in a plurality of sawtooth structures, each sawtooth structure comprises a deep tooth and a shallow tooth, the height L11 of the deep tooth is 2 times the height L12 of the shallow tooth, and the width L13 of the deep tooth is the same as the width L14 of the shallow tooth. The portable air blower with the bionic wing impeller has the effects of high efficiency, large flow, high total pressure and low noise.
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