Blade for a wind turbine

Blade for a wind turbine

  • CN 101,265,874 A
  • Filed: 02/09/2008
  • Published: 09/17/2008
  • Est. Priority Date: 02/09/2007
  • Status: Active Application
First Claim
Patent Images

1. one kind by strengthening the blade that is used for wind turbine (6) that composite is made, described blade comprises blade root (14), described blade root has blade is connected to attachment face (15) on the wheel hub (8) of wind turbine, described blade and blade root are hollow, and blade root forms tubulose, and has a wall that comprises reinforcing fiber (22), pass the radial hole (11 of this wall, 12) and be used for bolt (16,21) axial bore, wherein cylindrical insert (18,19) can be inserted in the described radial hole, and described axial bore extends to described attachment face from radial hole, and described cylindrical insert can link to each other with bolt so that described attachment face is tightened on the described wheel hubIt is characterized in that described reinforcing fiber (22) is carbon fiber or other fibers with similar intensity, and described radial hole (11,12) sets gradually and the described wheel hub different distance of being separated by.

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