Abstract
This article discusses the patents related to wind energy to identify technologies, their degree of development as well as their applications and trends. The research was carried out with Google Patents, which delivered more than 700 results from worldwide intellectual property offices. The terms Wind & Power & Electric & Generator were reviewed, analyzed, and classified. Patents were identified with a significant focus on Machines, Structure, Applications in Vehicles, Methods, and Control, that apply the concept of a horizontal axis wind turbine – HAWT (93.8%), followed by a vertical axis wind turbine - VAWT (5.6%) and incipient development in non-rotational systems (static) - WS (0.6%). Finally, a summary of the functional components of a wind energy system is included as a conceptual model for the development of a vertical axis wind source (VAWS).
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