Water ballast compartment for buoyant marine devices

Details Water ballast compartment for buoyant marine devices Water ballast compartment for buoyant marine devices

1982-03-16

1984-08-07

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

441 28, 441 14, B63C 921

Patent

active

044641311

ABSTRACT:
An improvement in buoyant marine devices, such as pyrotechnic markers, the displacement of which normally decreases during operation as a result of weight loss. The device is provided with a ballast means and means to enable the ballast compartment to fill progressively with water whereby, during operation, displacement of water by the marker is maintained to a degree which will ensure that the device remains in operative orientation. In this way, the problem of tilting by marine markers because of a gradual decrease in weight, to the point that the marker may be easily submerged by water and its operation thereby hampered, is significantly reduced.

REFERENCES:
patent: 2402143 (1946-06-01), Arenstein
patent: 2497852 (1950-02-01), Arenstein
patent: 2689963 (1954-09-01), Jackson
patent: 2790186 (1957-04-01), Carapellotti
patent: 3464071 (1969-09-01), Starratt
patent: 3957009 (1976-05-01), DiPerna
patent: 4028759 (1977-06-01), Toups

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