The UW-ES system is compact and economical, and allows for highly synergistical integration with various power take-off systems. This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent . . An underwater energy storage system includes a tank for storing a compressed gas that is adapted to be stored underwater. 5 The container comprises a water- and gas-tight membrane surrounding a container volume, where the container is rendered mainly. . (65) Prior Publication Data Primary Examiner — Frederick L Lagman US 2012/0305411A1 Dec. . Although renewable energy from natural resources such as sunlight, wind, rain, and tides are typically clean, plentiful and relatively cheap, its use has been limited due to an inherent problem that renewable energy is not always available on demand.
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An underwater energy storage system comprising a container where energy is stored by transporting water between the container and a body of water, is disclosed. CA WO WO 2467287 A1 2015053615 Al 2016128962 A1 11/2005 4/2015 8/2016 ( 21 ) Appl. : 16 / 770,870 Primary Examiner Julio C. Gonzalez ( 22 ) PCT Filed : Dec. The reservoir structure has a pressurizing reservoir (7A, 7B) with a deformable wall. . [0004] An underwater energy storage system for storing energy beneath the surface of a waterbody is for example known from Fig. [0002] In the present context it is noted that the term "waterbody", as used throughout the present document, refers to a sea, an ocean, a waterway, or other similarly large water basin.
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