Controllable variable depth mooring system and method

Details Controllable variable depth mooring system and method Controllable variable depth mooring system and method

1991-06-21

1992-07-14

Sotelo, Jesus D.

Buoys, rafts, and aquatic devices

Buoy

With means to call buoy to surface

441 29, B63B 2100

Patent

active

051298481

ABSTRACT:
A mooring system and method of anchoring a buoyant module (16) in a submerged location in the sea for supporting an underwater structure such as a plurality of acoustical arrays (18) for receiving and transmitting acoustical signals is disclosed. The buoyant module (16) is held in a submerged position by at least one anchor leg or line (46) anchored to the sea floor and of a variable length to permit controlled movement of the module (16) to the sea surface (10) for servicing. The single anchor line (46) is a stretchable line and includes an upper segment (56) formed of a Kevlar material and a lower segment (58) formed of a nylon material. Line 46 may stretch easily for a length of 400 feet, a preferred submerged depth of the module (16). Module (16) includes a constant buoyant material (36) and a source of compressed gas (32) controlled by a remotely actuated valve (40) to provide a variable buoyancy.

REFERENCES:
patent: 3465374 (1969-09-01), Johnson et al.
patent: 3487486 (1970-01-01), Leonard et al.
patent: 3576171 (1971-04-01), D'Angelo
patent: 3677539 (1972-07-01), Bennet
patent: 3742535 (1973-07-01), Horrer et al.

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