An autonomous underwater vehicle for transporting a cargo fluid, comprises an outer hull (10, Fig 1) defining an internal volume, a pressure communication channel (14, Fig 1) between the internal volume and the exterior of the outer hull, arranged to control the pressure in the internal volume based on the exterior pressure, one or more internal vessels 51 for containing the cargo fluid. The one or more internal vessels are arranged to further contain a buffer fluid 53. The vehicle further comprises an energy harvesting device 57, 59 and 62, coupled to an inlet 58 or an outlet 56 of the one or more internal vessels. The energy harvesting device being arranged to extract energy from an inflow of fluid into the one or more internal vessels when coupled to the inflow, or to extract energy from an outflow of fluid from the one or more internal vessels when coupled to the outflow. A method of extracting energy in an autonomous underwater vehicle is also disclosed.
Energy harvesting in subsea shuttle
2025-04-09
Patent
Electronic Resource
English
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