| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wind power generation device can putting a propeller in the feathering condition under strong winds while the structure remains simple and it is manufacturable at low cost. <P>SOLUTION: The wind power generation device 10 is composed of a generator 12 to conduct power generation in association with rotation of a main shaft 14, a hub 20 installed on the main shaft 14 and supporting the base end 22A of each blade 22 rotatably, a wind receiving member 24 installed in front of the hub 20 for receiving winds, a compression coil spring 36 installed between the hub 20 and the wind receiving member 24 and that can move the wind receiving member 24 through elastic deformation, and a link 38 to couple the base end part of each blade 22 with the wind receiving member 24 and changing the pitch of the blades 22 in association with movement of the wind receiving member 24. <P>COPYRIGHT: (C)2013,JPO&INPIT |
