| abstract |
A housing has a dispensing outlet ( 400 ) and contains: a liquid supplier ( 7 ) for supplying liquid containing at least one volatile component to a liquid outlet ( 7 a ); an electric field provider ( 41, 42, 7 ) for causing liquid issuing from the liquid outlet to provide electrically charged droplets from which at least a part of the at least one volatile component evaporates to produce vapour; a collection receptacle ( 92 ) for collecting electrically charged droplets to inhibit the electrically charged droplets from passing through the dispensing outlet; an attraction electrode ( 91 ) for attracting electrically charged droplets into the collection receptacle ( 90 ); and a flow director ( 95 ) for directing vapour away from the collection receptacle ( 92 ) and towards the dispensing outlet ( 400 ). |