Torpedo floatation device
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United States of America Patent
Stats
-
Jun 9, 1981
Grant Date -
N/A
app pub date -
Jul 6, 1979
filing date -
Jul 6, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A torpedo recovery system including an expandable sleeve surrounding a portion of the torpedo. Upon activation of the recovery system gas is introduced into the sleeve, causing it to expand. The sleeve is clamped firmly at two distinct longitudinal positions along the torpedo and is releasably clamped at a third longitudinal position. When the differential pressure between gas inside of the sleeve and water outside the sleeve reaches a predetermined threshold level, the releasable clamp releases the sleeve allowing it to gradually expand to form a doughnut-shaped floatation collar. The expanding sleeve provides gradually increasing drag to slow the torpedo and then positive buoyancy for lifting it to the water's surface.
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