Air sampler

Details Air sampler Air sampler

1993-10-12

1996-03-19

Wityshyn, Michael G.

Chemistry: molecular biology and microbiology

Apparatus

Inoculator, streaker, or sampler

73 3101, 73 3102, 7320421, 7386163, 73863, 7386312, 7386322, 7386333, 7386341, 7386343, 73864, 7386471, 4352831, G01N 502, G01F 168, C12M 126, C12M 100

Patent

active

055003699

ABSTRACT:
A hand-held portable sampler uses a vacuum to induce the flow of air into an air chamber and around a deflector plate mounted substantially transverse to the overall airflow pattern and with edges thereof close to the surface of nutrient material contained in culture containers between opposite sides of the enclosure and the deflector plate to define a constricted air passage. Particulates in the air are caused to impact the surface of nutrient material contained in culture containers as air is deflected through the constricted area. The venturi effect of the constricted area causes turbulence downstream to continue the process of impacting particulates in the nutrient material downstream from the constricted area of the air deflector.

REFERENCES:
patent: 3127329 (1964-03-01), Anderson
patent: 3576721 (1971-04-01), Mason
patent: 3684660 (1972-08-01), Kereluk et al.
patent: 3795135 (1974-03-01), Anderson
patent: 3922905 (1975-12-01), Roth
patent: 3968012 (1976-07-01), Jones
patent: 3972226 (1976-08-01), Rountree et al.
patent: 3980524 (1976-09-01), Reuter
patent: 4038057 (1977-07-01), Roth
patent: 4209875 (1980-07-01), Pugh et al.
patent: 4663293 (1987-05-01), Hempel et al.
patent: 5201231 (1993-04-01), Smith

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