Method and apparatus for controlling flow volume through an aero

Details Method and apparatus for controlling flow volume through an aero Method and apparatus for controlling flow volume through an aero

1985-04-18

1987-03-17

Myracle, Jerry W.

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

7386164, G01N 122

Patent

active

046497609

ABSTRACT:
A volume flow control device for an aerosol sampler is disclosed. The device includes a mechanism for drawing the aerosol through the sampler. A critical flow venturi is disposed downstream in the sampler for maintaining a predetermined volume flow of aerosol through the sampler. The aerosol drawing mechanism is adapted to create a vacuum downstream of the venturi.

REFERENCES:
patent: 1850030 (1932-03-01), Pardoe
patent: 3817100 (1974-06-01), Anderson et al.
patent: 4067705 (1978-01-01), Karz
patent: 4246788 (1981-01-01), Olin et al.
patent: 4461183 (1984-07-01), Wedding

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