Centrifugal fan and extractor hood
By installing flow-damping components, including a support frame and a turbulence net, at the volute of the centrifugal fan, the problem of vortex noise at the volute was solved, resulting in a significant reduction in noise and an improved user experience.
CN116265764BActive Publication Date: 2026-06-02GUANGDONG MIDEA WHITE HOME APPLIANCE TECH INNOVATION CENT CO LTD +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GUANGDONG MIDEA WHITE HOME APPLIANCE TECH INNOVATION CENT CO LTD
- Filing Date
- 2021-12-17
- Publication Date
- 2026-06-02
Smart Images
Figure CN116265764B_ABST
Abstract
The application discloses a centrifugal fan and a range hood. The centrifugal fan comprises a volute, an impeller and a flow suppressing assembly. The volute is provided with a volute inlet and a volute outlet, and a volute tongue is formed at a position close to the volute outlet. The impeller is installed in the volute. The flow suppressing assembly is arranged at the volute tongue, and an internal part of the flow suppressing assembly is provided with a flow suppressing channel for airflow. The centrifugal fan can reduce noise during operation.
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