Wind turbine, hydraulic system, air bleed system and method...

Details Wind turbine, hydraulic system, air bleed system and method... Wind turbine, hydraulic system, air bleed system and method...

2002-04-24

2010-02-09

Nguyen, Ninh H (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Having positive means for impeller adjustment

Motor bodily rotatable with impeller hub or shaft

C416S15700A, C416S156000

Reexamination Certificate

active

07658594

ABSTRACT:
The invention relates to a wind turbine having rotating means including at least two wind turbine blades which are turnable around the longitudinal axis of said blades, and a wind turbine hub connecting said at least two wind turbine blades with at least one shaft. Further, the wind turbine includes hydraulic means for actuating said at least two wind turbine blades, said hydraulic means being incorporated in said rotating means. The invention also relates to a hydraulic system, an air bleed system and a method of controlling at least two wind turbine blades.

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International Search Report; PCT/DK02/00266; Mar. 10, 2003.

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