Submersible power generator
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United States of America Patent
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Nov 29, 2016
Grant Date -
Aug 27, 2015
app pub date -
Oct 17, 2012
filing date -
Oct 17, 2012
priority date (Note) -
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Abstract
A submersible power generator with an inner/outer double rotational armatures-type power generation mechanism provided with an outer rotational armature and an inner rotational armature opposing the outer rotational armature and rotatable in a direction opposite of the outer rotational armature, and a pair of propellers disposed coaxially with blades of each of the pairs of propellers twists in opposite directions relative to an extending direction of a central axis of the pair of propellers, and a casing for accommodating and shielding the inner/outer double rotational armatures-type power generation mechanism. The submersible power generator, as installed under water to operate in a current, has a buoyancy F acting thereon that is larger than gravity W acting thereon during operation of the submersible power generator due to gravity acting on the mooring wire, so that F>W+gravity acting on the mooring wire−buoyancy acting on the mooring wire.
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