Title:
LONG BLADE AND VERTICAL-AXIS ROTOR
Document Type and Number:
WIPO Patent Application WO/2019/074020
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a lift-type long blade that has, on a blade end thereof, an inward inclined portion having an inclination base end the angle of which is inclined with respect to the horizontal direction such that the rear edge side of the inward inclined portion is inclined in a direction toward the blade end; and a vertical-axis rotor provided with the long blade. Inward inclined portions 3, 4 are formed on blade ends of a lift-type long blade 1, and a rear edge 6B of an inclined base end line 6 that is disposed inside each of the inward inclined portions 3, 4 is inclined toward the blade end 3A, 4A, compared to the positon of a front edge 6A.
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Inventors:
SUZUKI MASAHIKO (JP)
Application Number:
PCT/JP2018/037805
Publication Date:
April 18, 2019
Filing Date:
October 10, 2018
Export Citation:
Assignee:
GLOBAL ENERGY CO LTD (JP)
International Classes:
F03D3/06
Foreign References:
| JP2004084590A | 2004-03-18 | |||
| JP2014507605A | 2014-03-27 |
Attorney, Agent or Firm:
TAKEZAWA Soichi et al. (JP)
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