1
Herman F Veldkamp, Lars Risager, Flemming Rasmussen: Wind turbine with oscillation damping means. NEG Micon, Birch Stewart Kolasch & Birch, January 6, 2004: US06672837 (29 worldwide citation)

The present invention relates to a wind turbine with oscillation damping means provided at the nacelle and being designed for damping edgewise oscillations of the rotor blades in the rotational plane of the rotor. In particular, the invention relates to a wind turbine in which the oscillation dampin ...


2
Dan Christian Bak, Thomas Buhl, Peter Fuglsang, Helge Aagaard Madsen, Flemming Rasmussen: Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control. Technical University of Denmark, Stephen A Bent, Foley & Lardner, December 15, 2009: US07632068 (28 worldwide citation)

The present invention relates to a design concept by which the power, loads and/or stability of a wind turbine may be controlled by typically fast variation of the geometry of the blades using active geometry control (e.g. smart materials or by embedded mechanical actuators), or using passive geomet ...


3
Flemming Rasmussen, Per Vølund, Jørgen Thirstrup Petersen, Bjørn Johansen, Preben Ellebæk: Wind turbine hub. Forskningscenter Risø, Birch Stewart Kolasch & Birch, February 4, 2003: US06514043 (8 worldwide citation)

The present invention relates to a hub assembly of a rotor for holding at least one wing, wherein the at least one wing is connected/mounted to the hub assembly in at least two suspension points. The hub assembly may be applied to any kind of either energy extracting devices such as wind turbines or ...


4
Helge Aagaard Madsen, Flemming Rasmussen, Thomas Buhl, Morten Hartvig Hansen, Dan Christian Bak, Mac Gaunaa, Peter Bjørn Andersen: Variable trailing edge section geometry for wind turbine blade. Danmarks Tekniske Universitet, Foley & Lardner, April 16, 2013: US08419363 (3 worldwide citation)

A deformable trailing edge section (3) of a wind turbine blade (1), at least part of said section (3) being formed in a deformable material. The blade section (3) comprises one or more cavities (5) being in connection with or connectable to a fluid source in a way that allows fluid to stream from th ...


5
Dan Christian Bak, Thomas Buhl, Peter Fuglsang, Helge Aagaard Madsen, Flemming Rasmussen: Control of power, loads and/or stability of a horizontal axis wind turbine by use of variable blade geometry control. Forskningscenter Riso, Foley And Lardner, February 15, 2007: US20070036653-A1

The present invention relates to a design concept by which the power, loads and/or stability of a wind turbine may be controlled by typically fast variation of the geometry of the blades using active geometry control (e.g. smart materials or by embedded mechanical actuators), or using passive geomet ...


6
Helge Aagaard Madsen, Flemming Rasmussen, Thomas Buhl, Morten Hartvig Hansen, Dan Christian Bak, Mac Gaunaa, Peter Bjørn Andersen: Variable trailing edge section geometry for wind turbine blade. Danmarks Tekiske Universitet, Foley And Lardner, November 26, 2009: US20090290982-A1

A deformable trailing edge section (3) of a wind turbine blade (1), at least part of said section (3) being formed in a deformable material. The blade section (3) comprises one or more cavities (5) being in connection with or connectable to a fluid source in a way that allows fluid to stream from th ...