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1. (WO2017153686) AIRBORNE WIND TURBINE

Pub. No.:    WO/2017/153686    International Application No.:    PCT/FR2017/050526
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Fri Mar 10 00:59:59 CET 2017
IPC: F03D 5/00
F03D 15/20
Applicants: KITEWINDER
Inventors: NORMAND, Olivier
Title: AIRBORNE WIND TURBINE
Abstract:
The invention concerns an airborne device comprising a wind turbine (12) with an axis of rotation (14), an airborne structure (16) configured to support the wind turbine (1), a lift system (18) configured to keep the airborne structure (16) in flight, at least one belt (66) for transmitting a rotational movement of the wind turbine (12) to a ground station, said belt (66) being guided by at least one ground-based return pulley (28), wherein each ground-based return pulley (28) is rigidly secured to a pivoting shaft (44), is positioned in a guide plane perpendicular to the pivoting shaft (44) and is configured to guide the belt (66), said device being characterised in that the axis of rotation (14) of the wind turbine (12) and the guide plane of each ground-based return pulley (28) form an angle of less than 60°.