Patents by Inventor Ib Frydendal

Ib Frydendal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature

Publication number: 20040115060

Abstract: A wind turbine rotor blade (10) comprising one or more means (4) secured to the blade (10) for changing the profile thereof depending on the atmospheric temperature. The means comprises at least one laminate having at least two layers of materials with differing thermal expansion coefficients.

Type: Application

Filed: December 17, 2002

Publication date: June 17, 2004

Inventors: Peter Grabau, Ib Frydendal

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Wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature