| 摘要 |
An evaporator, for use with a bottle containing a substance to be evaporated and a wick that has its lower portion disposed within the bottle and its upper portion protruding from the bottle, includes a housing in which the bottle is retained, a fan, disposed within the housing, for creating an airstream, and a louver structure, disposed downstream of the fan, for directing the airstream created by the fan upwardly and away from the upper portion of the wick. Preferably, the louver structure includes a plurality of louvers inclined at an angle between about 20 degrees to about 60 degrees relative to horizontal.
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