Patent ID: 9041240
Filing Date: 2015-05-26
Classification: F03D,F05B,Y02E

Abstract:
1. A wind turbine apparatus comprising: a wind turbine; a support column supporting the wind turbine; a turning base as a base for the support column; and an electric generator that generates electricity by receiving rotating motion of the wind turbine via a shaft connected to a differential apparatus, wherein the turning base includes a turning gear and two turning base shafts, the turning gear includes a first turning gear and a second turning gear, the first turning gear includes a vertical shaft, two disc-shaped gears comprising an upper-end side gear formed on an upper end of the vertical shaft and a lower-end side gear formed on a lower end of the vertical shaft, and a through-hole at a shaft center of the gears and the vertical shaft, the second turning gear includes a vertical shaft penetrating the through-hole of the first turning gear, and two disc-shaped gears comprising an upper-end side gear formed on an upper end of the vertical shaft and a lower-end side gear formed on a lower end of the vertical shaft, and the two turning base shafts comprise a first turning base shaft and a second turning base shaft, each including a gear meshed with the turning gear and linked on the same shaft center by a differential apparatus, wherein: a first rotating shaft for transmitting rotating motion from the wind turbine is meshed with the upper-end side gear of the first turning gear, and the lower-end side gear of the first turning gear is meshed with the gear on the first turning base shaft, so that a rotating motion from the wind turbine is transmitted to the first turning base shaft by a rotation of the first turning gear, causing the first turning base shaft to rotate, a second rotating shaft for transmitting a rotating motion from the wind turbine is meshed with the upper-end side gear of the second turning gear, and the lower-end side gear of the second turning gear is meshed with the gear on the second turning base shaft, so that a rotating motion from the wind turbine can be transmitted to the second turning base shaft by a rotation of the second turning gear, causing the second turning base shaft to rotate, and the turning gear is configured to turn about a rotating axis of the turning gear 360 degrees or more on meshing parts between the upper-end side gear of the first turning gear and the upper-end side gear of the second turning gear and the first rotating shaft and the second rotating shaft, or meshing parts between the lower-end side gear of the first turning gear and the lower-end side gear of the second turning gear and the gear on the first turning base shaft and the second turning base shaft as points of contact, so that only the wind turbine, or the support column and the wind turbine can turn 360 degrees or more about the rotating axis of the turning gear.