Importance

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Abstract

The invention provides an environmentally friendly renewable energy harvesting system for harvesting wind energy on a frozen surface, as in cold weather climatic regions associated with higher latitudes or higher altitudes, with snow or ice surfaces. A plurality of ski, skate or runner supported wings or sails are connected together to form a wind energy harvesting system, and capture wind energy by appropriate setting of wing or sail angles of attack so as to drive a cyclic motion that in turn can drive energy capture means such as electric generator means. The invention thus provides a wind energy harvesting system which is supported by a frozen surface, which includes fluid-foil means for interfacing with an air current such as a wind and which includes energy harvesting means utilizing periodic motion of the fluid-foil means for capturing wind energy and converting it into usable energy in a desired form such as electricity. The present invention is intended to provide devices, methods and systems for harvesting renewable energy which can be efficient and cost-effective for small-scale, medium-scale and large-scale applications, to provide real and substantial benefits to meet local energy needs while also more broadly serving humanity and our global environment.

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First Claim