Buoys – rafts – and aquatic devices – Buoy – Having means to control attitude or position
Patent
1993-04-15
1994-05-03
Sotelo, Jesus D.
Buoys, rafts, and aquatic devices
Buoy
Having means to control attitude or position
175 18, B63B 2152
Patent
active
053082702
ABSTRACT:
A submarine-launched, ice-penetrating sonobuoy is disclosed. The buoy is pedo-shaped with a collapsible obturator tail-fin section removably attached at the tail-end, standard electronics in a mid-section and an explosive nose cone at the front. Immediately after launch, the tail-fin section expands to exert a drag on the buoy to halt any forward motion. The tail-fin section is discarded and the nose cone and mid-section portion rise until the nose impacts the underside of the ice. Upon impact, a pre-selected "shape" charge ruptures the ice and an a spring-antenna, connected to the mid-section, is raised through the hole.
REFERENCES:
patent: 3628205 (1971-12-01), Starkey et al.
patent: 4966079 (1990-10-01), Humphrey
patent: 5246078 (1993-09-01), Kryger et al.
DiGirolamo Ronald D.
Travor Bruce W.
Bechtel James B.
Sotelo Jesus D.
The United Stated of America as represented by the Secretary of
Tura James V.
Verona Susan E.
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