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US 7,489,046 B2Granted
Water turbine system and method of operation
AssigneeNorthern Power Systems, Inc.
InventorDaniel P. Costin
Life of this patent
Estimating the term…
Abstract
A system for providing electrical power from a current turbine is provided. The system includes a floatation device and a mooring. A water turbine structure is provided having an upper and lower portion wherein the lower portion includes a water fillable chamber. A plurality of cables are used to couple the system where a first cable couples the water turbine to the mooring and a second cable couples the floatation device to the first cable. The system is arranged to allow the turbine structure to be deployed and retrieved for service, repair, maintenance and redeployment.
Claims5
A flowing water turbine system comprising:
- a submerged mooring;
- a buoy coupled to said mooring, said buoy having a controller;
- a flowing water turbine coupled to said mooring, said water turbine having:
- a first body portion having a first and second end and an electrical generator mounted between said first and second end;
- a second body portion mounted to said first body portion between said electrical generator and said second end;
- a third body portion mounted to said first body portion adjacent said second body portion;
- and,
- at least one water fillable tank in each of said first, second and third body portions;
- and,
- a turbine controller mounted in said water turbine and operably coupled to said buoy controller and each of said water fillable tanks.
7 more elements
Dependencies are inferred from the claim text.