| 摘要 |
A device for evaporating a volatile liquid from a refill, the device comprising: a housing; securing means within said housing to releasably secure the refill to the device; electrical heating means within said housing; and chimney means within said housing having a lower aperture and an upper aperture to define a channel therebetween to the exterior of the device; wherein the refill for use with the device comprises: a reservoir portion for holding a quantity of volatile liquid; and a wick having a proximal end within the reservoir portion substantially adjacent a base of said reservoir portion and having a distal end extending above the reservoir portion; wherein the device is configured such that, in use, the securing means are adapted to hold the refill such that the distal end of the wick is located within the chimney means; characterised in that the chimney means are rotatable relative to the housing and said means have a continuous wall between the lower and upper apertures wherein said wall is of a varying thickness. |
