In one illustrative embodiment, a wind-driven charging system includes a wind-driven rotation device coupled to a rotatable shaft, and a plurality of electric generators disposed at different longitudinal locations along the rotatable shaft and each of the plurality of electric generators are rotati
In one illustrative embodiment, a wind-driven charging system includes a wind-driven rotation device coupled to a rotatable shaft, and a plurality of electric generators disposed at different longitudinal locations along the rotatable shaft and each of the plurality of electric generators are rotationally driven simultaneously by the rotatable shaft. By having the electric generators disposed at different longitudinal locations, more electric generators may be simultaneously driven by a common shaft. In some instances, a controller may be configured to enable more of the electric generators to provide electrical current to recharge a battery when the speed of rotation of the rotatable shaft increases, and may disable more of the plurality of electric generators to not provide electrical current when the speed of rotation of the rotatable shaft decreases.
대표청구항▼
1. A wind-driven generator system, comprising: a rotatable shaft driven by a wind-driven rotation device; andat least three electric generators for providing an output current, with each of the at least three electric generators disposed at a different longitudinal location along the length of the r
1. A wind-driven generator system, comprising: a rotatable shaft driven by a wind-driven rotation device; andat least three electric generators for providing an output current, with each of the at least three electric generators disposed at a different longitudinal location along the length of the rotatable shaft, and each of the at least three electric generators are rotationally driven simultaneously by the rotatable shaft, and wherein each electric generator includes a wheel having an outer circumference, wherein the outer circumference of the wheel rides along an outer circumferential surface of the rotatable shaft as the rotatable shaft rotates;a sensor for providing a measure related to a rotation speed of the wind-driven rotation device; anda control block for providing one or more electrical control signals to dynamically control the rotation speed of the wind-driven rotation device by dynamically controlling the output current that is generated by the at least three electric generators. 2. The wind-driven generator system of claim 1, wherein to dynamically increase the rotation speed of the wind-driven rotation device for a given applied wind, the one or more electrical control signals of the control block are configured to cause the output current that is generated by the at least three electric generators to be reduced thereby reducing the mechanical load presented to the wind-driven rotation device by the at least three electric generators. 3. The wind-driven generator system of claim 1, wherein to dynamically decrease the rotation speed of the wind-driven rotation device for a given applied wind, the one or more electrical control signals of the control block are configured to cause the output current that is generated by the at least three electric generators to be increased thereby increasing the mechanical load presented to the wind-driven rotation device by the at least three electric generators. 4. The wind-driven generator system of claim 1, wherein the outer circumferential surface of the rotatable shaft includes serrations to help reduce slippage between the outer circumference of the wheels of the at least three electric generators and the outer circumferential surface of the rotatable shaft. 5. The wind-driven generator system of claim 1, wherein the control block is configured to dynamically control a number of electric generators that are electrically enabled and contributing to the output current. 6. The wind-driven generator system of claim 5, wherein the control block is configured to dynamically increase the number of electric generators that are electrically enabled and contributing to the output current when the measure related to the rotation speed of the wind-driven rotation device is increased. 7. The wind-driven generator system of claim 5, wherein the control block is configured to dynamically decrease the number of electric generators that are electrically enabled and contributing to the output current when the measure related to the rotation speed of the wind-driven rotation device is decreased. 8. The wind-driven generator system of claim 5, wherein the control block is configured to dynamically control the number of electric generators that are electrically enabled and contributing to the output current so as to keep the measure related to the rotation speed at a desired rotation speed. 9. A wind-driven generator system, comprising: a rotatable shaft having a rotation axis driven by a wind-driven rotation device;three of more electric generators for providing an output current, wherein the three or more electric generators are mounted collinear or nearly collinear along a line that is parallel or nearly parallel to the rotation axis of the rotatable shaft, and wherein each of the three or more electric generators is driven by a gear or wheel that directly engages an outer surface of the rotatable shaft as the rotatable shaft rotates;a controller comprising: an input for receiving a measure related to a rotation speed of the rotatable shaft; anda control block operatively coupled to the input, the control block providing electrical control signals to the three of more electric generators to dynamically control the rotation speed of the rotatable shaft by dynamically controlling the output current that is generated by the three or more electric generators. 10. The wind-driven generator system of claim 9, wherein to dynamically increase the rotation speed of the rotatable shaft for a given applied wind, the electrical control signals of the control block are configured to cause the output current that is generated by the three or more electric generators to be reduced thereby reducing the mechanical load presented to the rotatable shaft by the three or more electric generators. 11. The wind-driven generator system of claim 9, wherein to dynamically decrease the rotation speed of the rotatable shaft for a given applied wind, the electrical control signals of the control block are configured to cause the output current that is generated by the three or more electric generators to be increased thereby increasing the mechanical load presented to the wind-driven rotation device by the three or more electric generators. 12. The wind-driven generator system of claim 9, wherein the control block is configured to dynamically control a number of electric generators that are electrically enabled and contributing to the output current. 13. The wind-driven generator system of claim 12, wherein the control block is configured to dynamically increase the number of electric generators that are electrically enabled and contributing to the output current to reduce the measure related to the rotation speed of the rotatable shaft. 14. The wind-driven generator system of claim 12, wherein the control block is configured to dynamically decrease the number of electric generators that are electrically enabled and contributing to the output current to increase the measure related to the rotation speed of the rotatable shaft. 15. The wind-driven generator system of claim 12, wherein the control block is configured to dynamically control the number of electric generators that are electrically enabled and contributing to the output current so as to keep the measure related to the rotation speed of the rotatable shaft at a desired rotation speed. 16. A vehicle comprising: a battery; an electric motor for moving the vehicle, the electric motor operatively powered by the battery; a wind-driven generator system for recharging the battery, the wind-driven generator system comprising: a rotatable shaft having a rotation axis driven by a wind-driven rotation device;a plurality of electric generators for providing an output current for recharging the battery and/or for powering the electric motor, wherein the plurality of electric generators are driven by one or more gear or wheel that directly engages an outer surface of the rotatable shaft as the rotatable shaft rotates;a controller comprising: an input for receiving a measure related to a rotation speed of the rotatable shaft; anda control block operatively coupled to the input, the control block providing electrical control signals to the plurality of electric generators to dynamically control the rotation speed of the rotatable shaft by dynamically controlling the load presented by the plurality of electric generators to the rotatable shaft. 17. The vehicle of claim 16, wherein the control block is configured to dynamically increase the number of electric generators that are electrically enabled to decrease the measure related to the rotation speed of the rotatable shaft. 18. The vehicle of claim 16, wherein the control block is configured to dynamically control the number of electric generators that are electrically enabled so as to keep the measure related to the rotation speed of the rotatable shaft at least at a desired rotation speed if possible. 19. The vehicle of claim 16, wherein the control block is configured to dynamically electrically disengage one or more of the plurality of electric generators from recharging the battery based on a charge status of the battery. 20. The vehicle of claim 16, wherein the control block is configured to dynamically electrically disengage at least one but less than all of the plurality of electric generators from recharging the battery based on a charge status of the battery.
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