| CPC F03D 3/02 (2013.01) [F03D 3/005 (2013.01); F03D 9/007 (2013.01); H02K 7/183 (2013.01); H02S 10/12 (2014.12); F05B 2220/708 (2013.01); F05B 2240/211 (2013.01); F05B 2240/37 (2020.08); F05B 2240/9112 (2013.01)] | 19 Claims |

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1. An aerogenerator system, comprising:
at least three vertical axis wind turbines, wherein the wind turbines are fixed to a horizontal surface and spaced from one another along a first direction, wherein each wind turbine comprises a bottom foot and a rotor extending upward from the bottom foot, and wherein the rotor is designed to rotate with respect to the bottom foot about a respective vertical rotation axis, and
a tapering structure, located above the wind turbines and the horizontal surface, wherein the tapering structure has a front edge and a back edge, the front edge of the tapering structure and the horizontal surface form a front face on a windward side of the wind turbines during predominant wind flow, the back edge of the tapering structure being on a leeward side of the wind turbines during predominant wind flow, and the tapering structure tapers along a flow direction normal to the first direction from the front edge of the tapering structure to the back edge of the tapering structure so as to direct the flow of air toward the wind turbines,
wherein at least one wind turbine is offset with respect to a longitudinal direction, wherein the offset is less than a maximal width of a wind turbine.
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