Automatic intermittent vapor dispenser

Details Automatic intermittent vapor dispenser Automatic intermittent vapor dispenser

1975-02-04

1979-08-28

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Porous mass

239 56, 239 60, 261 30, 261DIG17, 422305, 422306, B01F 304

Patent

active

041660870

ABSTRACT:
The present invention relates to an improved vapor dispenser and method that may be used for vapor-treating the air of a given area; the air-treating vapors containing such diverse elements as medicants, decongestants, inhalants, repellants, insecticides, bactericides, deodorants, and the like. The disclosed vapor dispenser may be described as a "semistatic" type, since it uses a static vapor generator that does not require a propellant, and uses automatic intermittent air movement for dispensing the accumulated vapors into the area to be treated by the vapors. Thus, the disclosed semistatic vapor dispenser continually provides the desired vapor concentration.
An improved static vapor generator is also disclosed, the improvement permitting the static vapor generator to produce vapors at a more uniform rate during its entire lifetime.

REFERENCES:
patent: 2474565 (1949-06-01), Abbott
patent: 2481296 (1949-09-01), Dupuy
patent: 2510126 (1950-06-01), Melcher et al.
patent: 2614820 (1952-10-01), Boydjieff
patent: 2629149 (1953-02-01), Yaffe
patent: 2759714 (1956-08-01), Ayup
patent: 2783085 (1957-02-01), D'Angio
patent: 2937419 (1960-05-01), Vaughn
patent: 3298674 (1967-01-01), Gilbertson
patent: 3633881 (1972-01-01), Yurdin
patent: 3652873 (1972-03-01), Roberts

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