Wave-powered autonomous plankton collector
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United States of America Patent
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Jan 27, 2015
Grant Date -
Dec 27, 2012
app pub date -
Jun 27, 2012
filing date -
Jun 27, 2011
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Abstract
An autonomous submersible vessel employs ambient wave energy to both propel itself and to generate required onboard electrical power. The vessel comprises a ballast stabilized stator portion and a rotor portion with wings rotated by wave-induced orbital water particle motion. Phased power generation resists rotor portion rotation when the horizontal component of water motion is in the desired direction of navigation, so increased hydrodynamic drag at that time acts to pull the vessel forward. The vessel further comprises a means to collect and preserve plankton samples. The vessel design enables alternate operation as an oceanographic glider to also navigate in deep water and in calm seas.
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