Title:
ヒンジされたブレード先端を有するブレード
Document Type and Number:
Japanese Patent JP2008544133
Kind Code:
A
Abstract:
The present invention relates to a blade (202) for a wind power plant (201) comprising a controllable actuator and at least one joint (206) transversally of the longitudinal direction of the blade, about which joint the outermost part (205) of the turning of the blade at an angle out of the original face of rotation of the blade can be controlled by the actuator. Hereby the rotor area can he controlled continuously during operation, and the distance between the blade tip and the tower can be increased/reduced. The turning and the bracing of the joint is controlled by means of wire pulls and/or actuators, such as eg electric, pneumatic or hydraulic pistons. The invention also relates to a method of improving the operation of a wind power plant in operation, using the same mechanism.
Inventors:
Sorensen, Tommy
Application Number:
JP2008516130A
Publication Date:
December 04, 2008
Filing Date:
June 16, 2006
Export Citation:
Assignee:
LM Fiberglass Actiesel Scab
International Classes:
F03D11/00; F03D1/06; F03D7/04
Domestic Patent References:
| JP2003278642A | 2003-10-02 | |||
| JPH0858386A | 1996-03-05 | |||
| JPH03502594A | 1991-06-13 |
Foreign References:
| US5269652A | 1993-12-14 | |||
| US4297076A | 1981-10-27 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yutaka Yoshida
Toru Mori
Hajime Asamura
Yutaka Yoshida
Toru Mori