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US 4,545,729 AGranted
Wind turbine apparatus
OwnerJoe Storminventor
Life of this patent
Estimating the term…
Abstract
Wind turbine apparatus includes a plurality of sail elements secured to a circular frame rotatable in response to wind reacting with the sail elements and a control system for the sail elements includes a weight having cables extending from the weight to the sail elements. Movement of the weight in response to wind velocity results in a change in the sail elements exposed to the wind.
Claims29
Wind turbine apparatus, comprising, in combination:
- frame means rotatable in response to wind;
- sail means, including a plurality of sails secured to the frame means for receiving the wind and adapted to impart rotary motion to the frame means;
- roller means for furling and unfurling the sails;
- control means for controlling the furling and unfurling of the sails, including
- weight means movable upwardly and downwardly,
- upper control cable means secured to the weight means and to the sails and adapted to move the weight means upwardly in response to movement of the sails away from a predetermined neutral position in response to the wind, and
- lower control cable means secured to the weight means and to the roller means and adapted to furl the sails by movement of the roller means in response to the upward movement of the weight means.
4 more elements
Wind turbine apparatus, comprising in combination:
- frame means;
- sail means secured to the frame means and adapted to rotate the frame means in response to wind, including a plurality of sail elements;
- control means for controlling the sail means in response to wind velocity, including
- weight means,
- connecting means for connecting the weight means and the sail elements of the sail means for moving the weight means in response to wind velocity, and
- evener cable means connected to the weight means and to the connecting means for interconnecting the weight means and the connecting means to even out the movement of the weight means in response to movement of any one or more of the sail elements by localized gusts of wind;
- and
- means for taking off power from the frame means as it rotates in response to wind.
5 more elements
Dependencies are inferred from the claim text.