Title:
ブレード及び風力発電用風車
Document Type and Number:
Japanese Patent JP6500346
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To further reduce noises in a blade of a windmill for wind power generation and the like.SOLUTION: A blade includes a wing-shaped cross-section body part, and a device which has a plurality of protrusions and a plurality of notched parts, arranged alternately in the wing height direction of the body part, and which is provided at a rear edge of the body part. The blade comprises a mesh material that is provided in the state of covering the notched part.
Inventors:
Tetsuya Miyazaki
Takahiro Saito
Takahiro Saito
Application Number:
JP2014106259A
Publication Date:
April 17, 2019
Filing Date:
May 22, 2014
Export Citation:
Assignee:
INC Engineering Co., Ltd.
International Classes:
F03D80/00; F03D1/06
Domestic Patent References:
| JP2013217372A |
Foreign References:
| US20110223030 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Yasuhiko Murayama
Mitsuo Teramoto
Yuichiro Shimizu
Hisanori Takahashi
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Yasuhiko Murayama