Title:
ブレードピッチ角制御装置及び風力発電装置
Document Type and Number:
Japanese Patent JP5107353
Kind Code:
B2
Abstract:
A blade pitch-angle control apparatus (40) is provided which can reduce the number of machining processes required for manufacturing a hub and which improves the maintainability due to a reduction in weight of each of hydraulic cylinders (41A) and (41B). The blade pitch-angle control apparatus (40), which is used in a wind turbine generator having a plurality of blades and which individually operates the pitch angle of each of the blades, uses the two hydraulic cylinders (41A) and (41B) to operate each of the blades.
Inventors:
Tomohiro Numajiri
Application Number:
JP2009521054A
Publication Date:
December 26, 2012
Filing Date:
June 10, 2008
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
F03D7/04; F03D1/06
Domestic Patent References:
| JP2004512450A | 2004-04-22 | |||
| JP2003056448A | 2003-02-26 |
Attorney, Agent or Firm:
Noriharu Fujita
Kunio Ueda
Kunio Ueda