A new type of centrifugal fan
By designing a movable fan blade structure and guide channels and guide vanes, the problems of inconvenient position adjustment and difficult cleaning of existing centrifugal fans have been solved, achieving convenient cleaning and improved air concentration effect.
CN117365974BActive Publication Date: 2026-07-17ZHEJIANG XINGYI VENTILATOR ELECTRICAL APPLIANCE
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG XINGYI VENTILATOR ELECTRICAL APPLIANCE
- Filing Date
- 2023-11-27
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
The existing centrifugal fans are fixed, making it inconvenient to move them, difficult to clean the blades, and have poor air concentration.
Method used
The design incorporates a movable fan blade structure, combined with guide channels and guide vanes, and utilizes a pull-out base and drive unit to facilitate fan blade cleaning. Furthermore, the design enhances airflow concentration through guide rings and air-gathering channels.
Benefits of technology
It enables convenient cleaning of the fan blades and multi-directional operation, improving the wind gathering effect.
✦ Generated by Eureka AI based on patent content.
Smart Images

Figure CN117365974B_ABST
Abstract
This invention provides a novel centrifugal fan, belonging to the field of fan technology. It solves the problems of inconvenient blade cleaning and poor overall performance in existing centrifugal fans. This novel centrifugal fan includes a fan housing; blades installed inside the fan housing and removable for manual cleaning; a pull-out base located behind the fan housing and movable back and forth to pull the blades out of the fan housing; a drive unit installed on the pull-out base and extending into the fan housing for transmission connection with the blades; a fixing plate located on the drive unit and fixedly connected to the end of the fan housing; a guide rail plate for sliding installation of the pull-out base; a rotating plate for fixed installation of the guide rail plate and for driving the guide rail plate, the drive unit on the guide rail plate, and the fan housing to rotate; and a working box located below the rotating plate and containing a drive motor for driving the rotation of the rotating plate. This invention has the advantages of convenient blade cleaning, multi-directional operation, and good air concentration effect.
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