MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202617067072 A) filed by Envision Energy Limited Company on May 28, 2026, for Wind Turbine Blade And Rapid Maintenance Method For Wind Turbine Blade.

Inventors include Ma, Hao; Wu, Hansen; Zhang, Xiangyang; An, Junsong; Bian, Jiayan; and Chen, Xiaodong.

The application for the patent was published on July 17, 2026, under issue no. 29/2026.

Abstract: A wind turbine blade, comprising a first blade layer (11), an original inner core layer (10) and a second blade layer (12) which are stacked, a repair through hole (16) being formed in the second blade layer, a damage removal hole (15) being formed in the original inner core layer, and the damage removal hole being communicated with the repair through hole and extending to the inner surface of the first blade layer. A recovery structure layer (17) connected to the second blade layer is provided at the repair through hole. One or more repair core members (14) are provided in the damage removal hole. By means of continuous filling and curing of adhesives, the one or more repair core members are connected to each other, and the repair core members are connected to the first blade layer, so as to form a repaired inner core layer. During maintenance of the power wind turbine blade in a wind farm, the device can achieve short maintenance time, simple operation, stable maintenance quality, excellent structural performance after maintenance, and lower maintenance cost. Also disclosed is a rapid maintenance method for a wind turbine blade.

Disclaimer: Curated by HT Syndication.