| 摘要 |
We have invented multiple methods of fluid displacement that enable a device to become buoyant at depth. It is accomplished by utilizing a fluid with a greater gravity or pressure, whether naturally occuring or mechanically generated. The first fluid is directed by a valve to displace a lighter fluid from a chamber or container into a second fluid body, with the result that a device at depth within the second fluid body becomes positively buoyant. The positively buoyant device can be utilized for example in energy production, item retrieval at depth or moving an object from the surface to a specific depth and back.
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