CONTROLLABLE BUOYANT SYSTEM AND METHOD
A controllable buoyant system (10) includes a support structure having a sealed hollow enclosure (12) containing a first gas and surrounded by a second gas, either the first gas or the second gas being lighter than ambient air. The hollow enclosure is pre-filled with the first gas via a one-way valv...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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