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1. (WO2018102121) ENERGY KITE WINCHING USING BUOYANCY

Pub. No.:    WO/2018/102121    International Application No.:    PCT/US2017/061571
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 15 00:59:59 CET 2017
IPC: F03D 5/04
F03D 13/25
F03B 17/02
B64C 39/02
Applicants: X DEVELOPMENT LLC
Inventors: NELSON, Robert
HACHTMANN, Brian
Title: ENERGY KITE WINCHING USING BUOYANCY
Abstract:
Offshore airborne wind turbine systems with an aerial vehicle connected via a tether to an adjustably buoyant body are disclosed. The tether may be coupled to an underwater mooring through which it may move, or it may be coupled to a floating platform through which it may move. The buoyancy of the buoyant body may be adjusted to change the tension in the tether or for other purposes. Methods related to changing the buoyancy are also disclosed.