Ships – Submersible device
Patent
1986-02-25
1987-08-18
Basinger, Sherman D.
Ships
Submersible device
1041731, 104226, 114331, B63G 800, B63G 824
Patent
active
046869271
ABSTRACT:
A negatively buoyant tether cable management apparatus for use with a remotely-operated underwater vehicle is disclosed. The apparatus includes a cable climbing assembly, a depth sensor and a controller coupled to the climbing assembly and formed to actuate the climbing assembly to climb the tether cable when the cable management apparatus has been lowered to a predetermined depth. The climbing assembly includes a pair of powered, ribbed belts which are wrapped at least partially around the periphery of the tether cable at an acute angle to the cable. As the tether cable is lowered further, the climbing assembly climbs to maintain the depth and passes the tether cable out below or beyond the climbing assembly to enable maneuvering of the remotely-operated underwater vehicle with respect to the negatively buoyant cable management apparatus. A method of using the weight of the cable management apparatus to maintain the tether cable taut from the surface down through the wave-action interface so that the underwater vehicle does not get swept by current or wave action into obstacles also is disclosed.
REFERENCES:
patent: 3597778 (1971-08-01), Castelliz
patent: 4010619 (1977-03-01), Hightower et al.
patent: 4324195 (1982-04-01), Cunningham
patent: 4487153 (1984-12-01), McMahon et al.
Hawkes Graham S.
Jeffrey David C.
Basinger Sherman D.
Chickering Robert B.
Deep Ocean Engineering Incorporated
Grunewald Glen R.
Warren Manfred M.
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