Patent ID: 11905921
Assignee: ENVISION ENERGY CO., LTD
Field: Other special machines (Mechanical engineering)
Classification: CPC F  B  Y | IPC B  F

Claim 5:
6. The main beam for wind turbine blade according to claim 1, wherein each of the one or more inlays comprises one or more of the PVC foam, PET foam, PMI foam, wood, honeycomb sandwich material, glass fiber pultruded sheet, glass fiber fabric, glass fiber non-woven fabric, and glass fiber yarn,
wherein the second infusion material comprises one or more of thermosetting epoxy resin, vinyl resin, unsaturated polyester resin, phenolic resin, thermoplastic resin,
wherein the thermoplastic resin comprises one or more of polypropylene resin, polyethylene resin, polyvinyl chloride resin, polystyrene resin, acrylonitrile-butadiene-styrene copolymer resin, polyamide resin, polyetheretherketone resin, polyphenylene sulfide resin.