Humidification and cloud chamber block for particle concentratio

Details Humidification and cloud chamber block for particle concentratio Humidification and cloud chamber block for particle concentratio

1989-09-18

1991-04-30

Raevis, Robert

Optics: measuring and testing

With sample preparation

Condensation nuclei detector

G01N 100

Patent

active

050112813

ABSTRACT:
A device consisting of a monolithic block of material that is used as a housing of an apparatus for determining the density, or changes in density, of small particles, that contains an elongated chamber formed within the block that serves as a cloud chamber, and a trough formed in said block and defining a humidification chamber. The block includes passageways that connect the cloud chamber to the humidification chamber and inlet and exhaust passageways, as well as providing mountings for various valves, such as a humidity valve, by-pass valve, and vacuum valve used in the apparatus.

REFERENCES:
patent: 3694085 (1972-09-01), Rich
patent: 3738751 (1973-06-01), Rich
patent: 4293217 (1981-10-01), Bird, Jr. et al.
patent: 4792199 (1988-12-01), Borden

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