US 7,320,459 B2
Apparatus for dispensing a vapour into an air flow
Bradley Charles Johns, 21 Bronwyn Close, Bowral, New South Wales 2576 (Australia)
Appl. No. 10/488,141
PCT Filed Aug. 27, 2002, PCT No. PCT/AU02/01152
§ 371(c)(1), (2), (4) Date Jul. 15, 2004,
PCT Pub. No. WO03/019082, PCT Pub. Date Mar. 06, 2003.
Claims priority of application No. PR7285 (AU), filed on Aug. 27, 2001.
Prior Publication US 2004/0238976 A1, Dec. 02, 2004
Int. Cl. B01F 3/04 (2006.01)
U.S. Cl. 261—142  [261/26; 261/30; 261/124; 261/DIG. 65; 261/DIG. 88; 261/DIG. 89; 422/124] 17 Claims
OG exemplary drawing
 
1. Apparatus for dispensing a vapour into an air flow of a ventilation system, said apparatus including:
a vessel for holding a liquid;
a heater for heating the liquid in the vessel to cause evaporation of liquid in the vessel;
an apparatus for delivering vapour from said vessel into said air flow of the ventilation system; and
an aerator for aerating said liquid to create gas bubbles therein.