Ships – Submersible device – Having attitude control
Patent
1987-08-11
1989-04-25
Basinger, Sherman D.
Ships
Submersible device
Having attitude control
114 61, 114256, B63G 822
Patent
active
048237221
ABSTRACT:
A semi-submersible marine craft for operation on the surface or in a semi-submerged condition has a pair of spaced parallel tubular water ballast floats disposed horizontally on either side of a vertical middle plane. The floats are disposed symmetrically relative to a central nacelle incorporating the power unit for propelling the craft and comprising a watertight cabin for the passengers. Control apparatus are provided for submerging and surfacing the craft, and the necessary control and safety apparatus for operating the craft. The floats and the nacelle have a frame structure made of an assembly of stainless steel sections which are covered by a skin of synthetic material. The nacelle has a cabin with a transparent semi-spherical front portion and side windows. On top of the cabin is hingedly mounted a dome for entry into the craft. Releasable ballast are disposed under the nacelle. Flotation control is provided by inflating and deflating air-inflatable balloons enclosed in the side tubular floats and for variably controlling the buoyancy of the craft by controlling the volumes of water ballast entering and leaving the tubular water ballast floats.
REFERENCES:
patent: 3129681 (1964-04-01), Bajulaz
Basinger Sherman D.
Burns Robert E.
Lobato Emmanuel J.
Sotelo Jesus D.
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