Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Moving solid surface engages material to be sprayed
Patent
1980-01-17
1983-01-18
Reeves, Robert B.
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Moving solid surface engages material to be sprayed
12820022, B05B 9043
Patent
active
043688500
ABSTRACT:
A compact aerosol generator which produces, with a fresh air propellant, microscopically small liquid particles known as a dry aerosol particularly adapted for inhalation therapy has a cylindrical housing with a liquid container and a casing containing a baffling system. An air chamber and a manually operated liquid spray pump are defined by telescoping tubes in the housing. Liquid spray ejected from a nozzle at the outlet of the pump enters a jet tube which forms a venturi with a baffle adjacent the nozzle. Passages having their axes perpendicular to the axis of the nozzle provide communication between the air chamber and the jet tube in the vicinity of the outlet of the nozzle. When the telescoping tubes of the pump and air chamber enter each other, pressurized liquid spray and injected air, which is pressurized in this air chamber, flow and combine to efficiently form a spray which is atomized in the baffling system to provide the dry aerosol at the output of the generator. The telescoping tubes are also used for draining the liquid from the generator case to the liquid container. If the device is closed with its cover, the telescoping tubes cover automatically the liquid and air openings of the liquid container to avoid leakage.
REFERENCES:
patent: 3404843 (1968-10-01), Szekely
patent: 3522806 (1970-08-01), Szekely
patent: 3790086 (1974-02-01), Masai
patent: 3838686 (1974-10-01), Szekely
patent: 4214677 (1980-07-01), Bauer et al.
Church Gene A.
Lukacher Martin
Reeves Robert B.
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