Ships – Building – Canal and ferry boats
Patent
1976-01-09
1976-09-07
Blix, Trygve M.
Ships
Building
Canal and ferry boats
114235B, B63B 2156
Patent
active
039788130
ABSTRACT:
A tensioning device for submarine oceanographic structures includes a sure float having a pendent line suspended therebeneath and a vertical rod support attached to the distal end of the pendent line. An electrical motor attached to the lower end of the support provides ballast to hold the rod in a substantially vertical position and also provides mechanical motive power to turn two coaxially mounted hydrodynamic screws. These screws are attached to the support so as to provide a propulsive force for the support and surface float system. A hitch employing standard marine hardware connects the tensioning system to an underwater structure such that this propulsive force is used to tension the structure. Power for the electrical motor is provided by a source of electrical power housed in a small surface vessel and effectively connected to the surface float and pendent line.
REFERENCES:
patent: 1487138 (1924-03-01), Atwood
patent: 2974627 (1961-03-01), Whipple, Jr.
patent: 3872819 (1975-03-01), Pickens
Hansen Charles E.
Pickens George O.
Blix Trygve M.
Johnston Ervin F.
Sciascia Richard S.
Skeer William T.
Sotelo Jesus D.
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