Ammunition and explosives – Mines – Marine type
Patent
1959-12-28
1981-06-23
Jordan, Charles T.
Ammunition and explosives
Mines
Marine type
102411, F42B 2204, F42B 1900
Patent
active
042743338
ABSTRACT:
1. A buoyant target-seeking mine comprising, a hollow casing having nose, dy, and tail sections, a hydrophone assembly mounted in said nose section, steering elements mounted on said tail section, amplifying circuit means connected to said hydrophone assembly, means influenced by said circuit means to move said steering elements in a direction to steer said mine toward a target producing sound above a predetermined amplitude, an orifice in said tail section for the passage of water ballast into and out of said casing, a first independent buoyancy control means for maintaining a predetermined amount of said ballast water in said casing during descent of said mine to anchorage, said ballast water being retained in said casing during said anchorage, a second buoyancy control means under the control of said circuit means for exhausting said ballast water, means for releasing the mine from said anchorage when said sound producing target influences said circuit means whereby said mine is free to rise rapidly to the surface of the water by reason of the increased buoyancy of said casing, and means under the control of said circuit for steering said mine toward said noise-producing target during its rise to the surface.
REFERENCES:
patent: 1440596 (1923-01-01), Hammond
patent: 1588932 (1926-06-01), Blair
Fish, J. R., "The Diatonic Torpedo;" Apr. 5, 1940.
Branning A. L.
Jordan Charles T.
Sciascia R. S.
The United States of America as represented by the Secretary of
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