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US Patent 7530224 Hydraulic speed-increasing transmission for water current powered turbine

Patent 7530224 was granted and assigned to Marine Current Turbines on May, 2009 by the United States Patent and Trademark Office.

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Current Assignee
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Marine Current Turbines
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
75302240
Patent Inventor Names
Peter L. Fraenkel0
Date of Patent
May 12, 2009
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Patent Application Number
105367710
Date Filed
December 10, 2003
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Patent Primary Examiner
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F Daniel Lopez
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Patent abstract

A hydraulic transmission system for use with at least one water current driven turbine rotor (6), low speed high pressure pump (24) is arranged to receive operational drive from the turbine rotor, and to deliver its output to a high speed hydraulic motor or turbine (35) in such manner as to produce an increase of the shaft or motor speed accompanied by a corresponding reduction of torque required to drive electrical generators (38) or other high speed machinery.

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