Prime-mover dynamo plants – Fluid-current motors – Wind
Reexamination Certificate
2010-05-03
2010-11-09
Patel, T C (Department: 2839)
Prime-mover dynamo plants
Fluid-current motors
Wind
C290S044000, C290S053000
Reexamination Certificate
active
07830033
ABSTRACT:
System for producing electricity from wind energy includes a shaft, at least two turbines rotatably mounted to the shaft and arranged to rotate independent of one another and in opposite directions when subjected to the same wind, and one or more generators that convert rotation of the turbines into electricity. The magnitude of electricity generation by the generator(s) is related to the magnitude of torque induced by the generator(s) on the shaft, and the electricity generation by the generator(s) may be controlled such that torques induced on the shaft by the generator(s) is controlled such that a sum of torques induced on the shaft is substantially zero. Generated electricity is conducted to users, to electricity storage, or to processing components. In an airborne embodiment, a lifting structure generates a lifting force to lift the turbines to a desired altitude, and an anchoring system anchors the turbines relative to the ground.
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Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration issued in PCT/US/2009/043807, mailed Jan. 14, 2010.
Related U.S. Appl. No. 12/634,499, filed Dec. 10, 2009; entitled: “Airborne Stabilized Wind Turbines Systems” Inventor: Moshe Meller.
International Search Report dated May 27, 2010 (3 pages), issued in counterpart International Application No. PCT/US2009/056227 of related U.S. Appl. No. 12/284,246.
Cuevas Pedro J
Holtz Holtz Goodman & Chick PC
Patel T C
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