Fluid evaporating devices

Fluid sprinkling – spraying – and diffusing – Slow diffusers – With wick or absorbent means removing liquid from holder

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239 47, 239 515, 239 57, 239 59, A61L 904

Patent

active

048786152

ABSTRACT:
Method and apparatus for the evaporation of a solution into the ambient air. The apparatus contains a reservoir having at least one elastic wall; a first compartment outside the reservoir having an opening to the ambient air; a passage which may be intermittently opened and closed, connecting the reservoir to the first compartment; and, an absorbent material placed on a support which is outside both the reservoir and the first compartment, and which is in contact with the first compartment. By exerting pressure on the elastic wall of the reservoir, solution may be transferred from the reservoir to the first compartment through the passage when it is open. The passage is kept closed during the time intervals between intermittent transfers of the solution. The portion of solution which has been transferred to the first compartment is gradually and continuously transferred to the absorbent material for evaporation to the ambient air.

REFERENCES:
patent: 3246807 (1966-04-01), Micallef
patent: 3447907 (1969-06-01), Bennett
patent: 4200229 (1980-04-01), Spector
patent: 4474312 (1984-10-01), Donoghue
patent: 4477414 (1984-10-01), Muramoto et al.
patent: 4732321 (1988-03-01), Dolan
patent: 4762275 (1988-08-01), Herbert et al.
patent: 4768676 (1988-09-01), Kaneko

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