Aroma dispensing device

Details Aroma dispensing device Aroma dispensing device

2003-12-18

2011-12-13

Tran, Len (Department: 3752)

Surgery

Liquid medicament atomizer or sprayer

C239S034000, C239S690000, C239S704000, C128S200160, C128S203120

Reexamination Certificate

active

08074640

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 (7a); 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).

REFERENCES:
patent: 4095596 (1978-06-01), Grayson
patent: 4228961 (1980-10-01), Itoh
patent: 4581675 (1986-04-01), Kelly
patent: 4962885 (1990-10-01), Coffee
patent: 5267555 (1993-12-01), Pajalich
patent: 5337963 (1994-08-01), Noakes
patent: 5655517 (1997-08-01), Coffee
patent: 6457470 (2002-10-01), Coffee
patent: 6602475 (2003-08-01), Chiao
patent: 6684879 (2004-02-01), Coffee et al.

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