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    • 57. 发明专利
    • Volcanic rock fluid diffuser
    • GB2602385A
    • 2022-06-29
    • GB202115875
    • 2021-11-04
    • BLOOMY LOTUS LTD
    • LEANDER LEE
    • B01D46/62A61L9/12
    • A liquid diffuser 200 for diffusing an essential oil or other aromatic liquid comprises a housing shell 102 having an inlet 106 and an outlet 108, and a filter assembly 202 and an air mover 110 positioned in the housing shell, wherein the filter assembly comprises first and second retainer layers 226, 228 and an absorbent material supply 214 positioned therebetween. Airflow may enter the inlet along a first direction and exit the outlet along a second direction perpendicular to the first direction. The diffuser preferably comprises a fluid tank positioned below the filter assembly. A filter for a liquid diffuser (400, figure 6) comprises first and second filter layers (406, 412) having first and second fluid-penetrable materials, a porous volcanic rock layer (410) between the filter layers and a binder (408) coupling the filter layers and the rock layer around a perimeter of the rock layer. A lava rock diffuser comprises a housing defining an air inlet and an air outlet and a lava rock material having a recessed surface for retaining a fluid positioned in the housing. The diffuser may further comprise a negative ion generator.