| 摘要 |
<p>The system is based on changing evaporation intensity relying on the chimney effect by changing the amount of air circulating through the freshener device near the wick. The system uses a base body (1) having grooves (6) in its top base to let the air through in such a way that said base body (1) can be used alone thereby providing a device with no evaporation speed regulation. A complementary part (7) that is rotationally mounted and is fitted with complementary grooves (9) can be coupled to the top base of said base body (1). Depending on the extent to which said part faces the grooves (6), less or more air flows through thereby regulating evaporation intensity.</p> |
