TECHNIQUES FOR PROVIDING VARIABLE BUOYANCY TO A DEVICE

A variable buoyancy device has an inner region and an outer cavity. The outer cavity extends at least partially around the inner region and is adapted to contain fluids, such as a liquid and a gas, the relative proportions of which can be varied to vary buoyancy. The inner region provides an advanta...

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Bibliographische Detailangaben
Hauptverfasser:	SCRIMGEOUR, TODD, CARDENAS, ROBERT LEE, RUFO, MICHAEL, CONRY, MICHAEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EQUIPMENT FOR SHIPPING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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Beschreibung
Zusammenfassung:	A variable buoyancy device has an inner region and an outer cavity. The outer cavity extends at least partially around the inner region and is adapted to contain fluids, such as a liquid and a gas, the relative proportions of which can be varied to vary buoyancy. The inner region provides an advantageous location for equipment, while the outer cavity provides a significant volume for achieving a wide range of buoyancy adjustments. L'invention concerne un dispositif à flottabilité variable comportant une zone interne et une cavité externe. La cavité externe s'étend au moins partiellement autour de la zone interne et est conçue pour contenir des fluides, tels qu'un liquide et un gaz, dont les proportions relatives peuvent être modifiées pour faire varier la flottabilité. La zone interne fournit un emplacement avantageux pour un équipement, tandis que la cavité externe fournit un volume important permettant d'obtenir une large plage de réglages de flottabilité.