| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lightning protection device for windmill blades facilitating maintenance such as repair or replacement of lightning receiving portions without using a vehicle for elevated-place work. <P>SOLUTION: The lightning protection device for the windmill blades has the lightning receiving portions 15 provided on the blades 12 of a windmill 10 and leads lightning current received at the lightning receiving portions 15 to a hub 11 through lightning conductors and further to the ground through a tower 14, wherein the lightning receiving portions 15 are detachably constructed at the tips of the blades 12 to be slung up and down with a sling member 16 and the lightning receiving portions 15 are constructed to be installed at predetermined places of the tips of the slung-up blades. <P>COPYRIGHT: (C)2008,JPO&INPIT |
