Vapor driven aerosol generator and method of use thereof
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United States of America Patent
Stats
-
Dec 10, 2002
Grant Date -
Jun 27, 2002
app pub date -
Dec 22, 2000
filing date -
Dec 22, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An aerosol generator includes a fluid supply which supplies fluid to a fluid passage, a main heater which heats the fluid into a gaseous state and a preheater which delivers a volume of fluid to the main heater. The preheater can be located in or adjacent a metering chamber which receives a predetermined volume of fluid, the preheater heating a portion of the fluid so as to form a vapor bubble which ejects the remaining fluid from the chamber. An outlet of the aerosol generator is arranged to receive the volatilized fluid formed by the main heater and direct the volatilized fluid out of the fluid passage. The aerosol generator can be used to generate aerosols containing medicated materials.
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