FAN STRUCTURE

DE602019081090T2Active Publication Date: 2026-02-04ACER INC

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Patent Information

Application Number: DE602019081090
Authority / Receiving Office: DE · DE
Patent Type: Patents
Current Assignee / Owner
Filing Date: 2019-12-06
Publication Date: 2026-02-04
Estimated Expiration: 2039-12-06

Application Information

Patent Timeline

06 Dec 2019

Application

DE602019081090

04 Feb 2026

Publication

DE602019081090T2

IPC: F04D25/06; F04D29/30; F04D29/28

Inventors: LIN, YU-MING; LIAO, WEN-NENG

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AI Technical Summary

Technical Problem

Existing fan designs with metal blades face limitations in heat dissipation efficiency due to the restricted arc length of the blades perpendicular to the rotation axis, which can hit the case and violate thin design requirements.

Method used

The fan structure features arc-shaped blades with a decreasing end portion width and oblique extensions to prevent collision with the case, allowing for increased arc length and incorporating recesses to reduce noise and pressure.

Benefits of technology

Enhances heat dissipation efficiency while maintaining a thin design by preventing blade collisions and reducing noise through vortex formation in recesses.

✦ Generated by Eureka AI based on patent content.

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