Underwater buoy provided with hydrodynamic stabilizing means and

Details Underwater buoy provided with hydrodynamic stabilizing means and Underwater buoy provided with hydrodynamic stabilizing means and

1989-04-11

1990-09-04

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

114244, 114245, 114332, 244 1TD, B63B 2218

Patent

active

049541102

ABSTRACT:
In a sonar buoy suspended from a helicopter, the lower stabilizing ring of a buoy of this type is replaced by a set of fins which get folded against the body of the buoy during its descent into the water and get unfolded when they are raised again to form a stabilizing crown around the bottom of this body, thus enabling a buoy of this type to be stabilized both during descent and when being raised again.

REFERENCES:
patent: 3159806 (1964-12-01), Piasecki
patent: 3296996 (1967-01-01), Miller
patent: 3327968 (1967-06-01), Converse
patent: 3380424 (1968-04-01), Bowker et al.
patent: 3500209 (1970-03-01), Fletcher et al.
patent: 3618555 (1971-11-01), Kelly et al.
patent: 3672322 (1972-06-01), Van Der Linde
patent: 3755836 (1973-09-01), Milazzo
patent: 3793623 (1974-02-01), Gongwer
patent: 4528930 (1985-07-01), Silvey et al.

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