Devices and methods for improved delivery of volatile liquids

摘要

An emanation device for use with a replaceable refill of volatile liquid containing one or more active material is described Wherein the active material: comprises at least one of: a fragrance.; an insecticide; a fungicide; a pesticide; a sanitising material; and/or a pharmaceutical; wherein the refill comprises a sealed reservoir containing said volatile liquid and a porous wick which extends from the interior of the reservoir to the exterior thereof, wherein the device comprises; an air pump; a 'fluid conduit in fluid communication with the air pump such that, in use, air pumped by the pump will flow through the fluid conduit; a nozzle located at the end of the fluid conduit remote from the air pump; a ejector constriction provided in the fluid conduit adjacent or substantially adjacent the nozzle; a liquid conduit provided adjacent the ejector constriction and in fluid communication with the fluid conduit at one end thereof, and open at the other end to receive liquid therein; refill securing means configured to secure the refill relative to the device; characterised in that a mechanism is provided to permit the liquid conduit to at least partially penetrate the porous wick.