Title:
風車翼のピッチ駆動装置、これを備えた風車回転翼、および風力発電装置
Document Type and Number:
Japanese Patent JP5211241
Kind Code:
B2
Abstract:
A pitch-control system according to the present invention includes a cylinder support portion provided on a rotor hub, a support point thereof being located away from a front end face (unsupported end) of the rotor hub on the opposite side of the rotor hub; a decentered coupling point provided at a decentered location on a root-side end face of the wind turbine blade; and a cylinder that is installed so as to pass through the unsupported end of the rotor hub, a coupling portion that is provided on a portion that protrudes to the outer side from the unsupported end being coupled in a freely rotatable manner to the support point via a spherical joint, and a coupling portion that is on the inner side of the unsupported end being coupled in a freely rotatable manner to the decentered coupling point via a spherical joint.
Inventors:
Mioko Matsuda
Tomohiro Numajiri
Tomohiro Numajiri
Application Number:
JP2011514971A
Publication Date:
June 12, 2013
Filing Date:
February 15, 2011
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F03D11/00; F03D7/04
Domestic Patent References:
| JPS57376A | 1982-01-05 | |||
| JP2010203260A | 2010-09-16 | |||
| JPS57376A | 1982-01-05 |
Foreign References:
| EP1995453A1 | 2008-11-26 | |||
| EP0043872A1 | 1982-01-20 | |||
| WO2010070768A1 | 2010-06-24 | |||
| EP1995453A1 | 2008-11-26 | |||
| EP0043872A1 | 1982-01-20 |
Attorney, Agent or Firm:
Noriharu Fujita
Kunio Ueda
Kunio Ueda