| 摘要 |
Certain example embodiments of this invention relate to techniques that harness air/wind power to charge and/or re-charge a battery of a vehicle that is at least partially electrically powered. In certain example embodiments, air/wind enters into a channel formed in a vehicle and turns a turbine which, in turn, generates electricity that may be used to charge and/or re-charge a battery of the vehicle. In certain example embodiments, the velocity of the air/wind may be increased within the channel by virtue of features including, for example, retractable and/or directional vanes and/or side wall elements that help create constricting locations (or choke points). In certain example embodiments, the velocity of the air/wind may be increased within the channel by virtue of features that produce the Coanda effect. Thus, for instance, both the Venturi effect and the Coanda effect may be used to increase the efficiency of the overall system.
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