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1. (WO2017176179) SUBMERSIBLE PLANT COMPRISING BUOYANT TETHER

Pub. No.:    WO/2017/176179    International Application No.:    PCT/SE2016/050289
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Apr 07 01:59:59 CEST 2016
IPC: F03B 13/10
B63B 21/50
F03B 13/26
Applicants: MINESTO AB
Inventors: QUAPPEN, Arne
MARZELIUS, Olof
MALMQVIST, Jonas
WRANNE, Jonas
Title: SUBMERSIBLE PLANT COMPRISING BUOYANT TETHER
Abstract:
The invention relates to a submersible power plan. The submersible power plant is submerged in a fluid. The power plant comprises a structure and a vehicle where the vehicle comprises at least one wing. The vehicle is arranged to be secured to the structure by means of at least one tether. The vehicle is arranged to move in a predetermined trajectory by means of a fluid stream passing the vehicle. The tether comprises an upper tether part and a lower tether part. The upper tether part has an average density higher than the fluid, has a hydrodynamic cross section and is arranged to be connected to the vehicle. The lower tether part has an average density lower than the fluid, has a non-hydrodynamic cross section and is arranged to be connected to the structure.