Atomizing dispenser
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United States of America Patent
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-
Aug 5, 1997
Grant Date -
N/A
app pub date -
Dec 26, 1995
filing date -
Jun 23, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A gas supply (30) supplies pressurized gas to a nozzle (1) such that a flow of gas is discharged through an aperture (77) defined between a lip (3) of the nozzle and a vibrating diaphragm (9). A liquid dispenser (42) introduces a metered quantity of liquid into the gas flow such that the liquid droplets are atomized by the vibrating diaphragm. The diaphragm is held under tension so that it is vibrated by the gas flow. The supply of gas may be a manually operated displacement or diaphragm pump or may be a pressurized gas container. Metered doses may be dispensed for oral inhalation without providing external energy source for the vibration of the diaphragm.
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