| 摘要 |
An air distribution device having an air propelled turbine, a first pinion gear axially connected to the turbine, a first external spur gear, a second pinion gear axially connected to the first external spur gear, a second external spur gear in mesh connection with the second pinion gear, a first end of a reciprocating lever in eccentric connection to the second external spur gear, and a second end of the reciprocating lever in connection with a plurality of louvers, the louvers in gang connection. Alternatively, the air distribution device further includes a baffle for directing airflow to an air-propelled turbine. Alternatively, the air distribution device further includes a second plurality of louvers positioned perpendicular to the first plurality of louvers.
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