Hydrodynamic stabilizing device

Details Hydrodynamic stabilizing device Hydrodynamic stabilizing device

1976-04-05

1977-01-25

Halvosa, George E. A.

B63B 2152

Patent

active

040043096

ABSTRACT:
A hydrodynamic instrumentation or transducer structure is adopted for deployment into the ocean or similar large body of water in such manner that it is caused to descend essentially vertically from a buoy at the end of a line of substantial length, such as 1000 feet or more. The essentially cylindrical structure includes a cylindrical extension of essentially the same diameter as the primary structure whose purpose is to house at least the line and possibly also the buoy structure, as well as carrying a plurality of brackets at its outboard end which secure the outboard ends of a corresponding number of resilient fin members attached to the primary structure such that the entire assembly may be carried in a cylindrical space little larger in diameter than the primary structure. A ring clamp secures the cylindrical extension to the primary structure, and after the assembly is placed in the water a pressure-responsive device responds to a small amount of water pressure to release this clamp, thereby permitting the cylindrical extension to be released and releasing the fins to spring outwardly to act as tail fins causing the primary structure to descend with its opposite end down. A diagonal bend at the outboard ends of the fins serves to cause the structure to spin on its axis as it descends, thus providing for an essentially vertical path and minimizing lateral drift.

REFERENCES:
patent: 3022462 (1962-02-01), Keiper, Jr.
patent: 3115831 (1963-12-01), Suter
patent: 3290642 (1966-12-01), Mason et al.
patent: 3500209 (1970-03-01), Fletcher et al.

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