Noise reduction grooves of the turbine fan blade

Abstract

1. Name of the design product: Noise reduction groove of the turbine fan blade. 2. Use of the design product: The overall use of the product is: to be used as the fan blade of a fan; the local use of the product is: for noise reduction. 3. Design key points of the design product: lies in the shape of the solid line part in the product view. 4. Picture or photograph that best shows the design key points: Stereogram 1. 5. This design product is a partial design. The part requested to be protected is the solid line part in the view, and the dotted line part is not claimed for protection.

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