| 发明名称 |
Blade, Wind Turbine and Wind Power Generating System |
| 摘要 |
A blade comprises a first blade surface, a second blade surface forming the reverse surface of the first blade surface, a front edge portion connected to the front end of the first blade surface and the front end of the second blade surface and formed in a curved shape convex toward the travelling direction, and a back edge portion connected to the back end of the first blade surface and the back end of the second blade surface extending toward the opposite of the travelling direction, and formed in an acute angle, and the blade is formed to be curved in an arc viewed from the side of the travelling direction. |
| 申请公布号 |
US2014234120(A1) |
申请公布日期 |
2014.08.21 |
| 申请号 |
US201414182490 |
申请日期 |
2014.02.18 |
| 申请人 |
TECHNOLOGY OF NATURAL PROVIDENCE, INC |
发明人 |
AIHARA Kunihiko;AIHARA Junko |
| 分类号 |
F03D3/06 |
主分类号 |
F03D3/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A blade that advances toward a travelling direction using a lift force generated by the wind, the blade comprising:
a first blade surface; a second blade surface forming the reverse surface of the first blade surface; a front edge portion connected to the front end of the first blade surface and the front end of the second blade surface and formed in a curved shape convex toward the travelling direction; and a back edge portion connected to the back end of the first blade surface and the back end of the second blade surface, extending toward the opposite of the travelling direction, and formed in an acute angle, wherein the blade is formed in an arc viewed from the side of the travelling direction. |
| 地址 |
TOKYO JP |
