Computer controlled constant concentration and size particulate general system

An aerosol generating system for maintaining a constant concentration of aerosol in a chamber is disclosed. The system includes an aerosol generator in a closed chamber. A small fan in the chamber distributes the aerosol within the chamber. A particle analyzer connected to the chamber draws aerosol...

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Bibliographic Details
Main Author HO; JIM Y. W
Format Patent
LanguageEnglish
Published 01.12.1987
Edition4
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
CONTROLLING
HEATING
LIGHTING
MECHANICAL ENGINEERING
PHYSICS
RANGES
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
VENTILATING
WEAPONS
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Summary:An aerosol generating system for maintaining a constant concentration of aerosol in a chamber is disclosed. The system includes an aerosol generator in a closed chamber. A small fan in the chamber distributes the aerosol within the chamber. A particle analyzer connected to the chamber draws aerosol samples and analyses samples to monitor at least one characteristic property of the aerosol. Typically, these are particulate concentration and particulate size. The system includes a control responsive to signals from the analyzer representing changes in the monitored characteristic property to control operation of the aerosol generator. The control is such as to maintain the characteristic property substantially constant. The system may also be equipped with humidity and temperature control elements for maintaining these factors constant within the chamber.
Bibliography:Application Number: US19850745167