Individual portable dust collector

Details Individual portable dust collector Individual portable dust collector

1983-08-01

1985-08-13

Myracle, Jerry W.

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

73 28, G01N 124

Patent

active

045342300

ABSTRACT:
An individual portable dust collector includes a ring of filter foam arranged to retain dust of a size in the range 5 microns to 0.5 micron. This ring is accommodated in a rotatable cup and has an exposed lateral surface located in a transverse plane. A cover surrounds the cup and has an air inlet orifice which is also located in said transverse plane. Outlet holes are provided in two diametrically opposed locations in said cover and are spaced from the transverse plane. A cowl caps the inlet orifice and contains a prefiltration block arranged to retain particles of a size greater than 5 microns.

REFERENCES:
patent: 3590629 (1971-07-01), Courbon
patent: 3765155 (1973-10-01), Courbon
patent: 3949594 (1976-04-01), Treaftis et al.
patent: 4152923 (1979-05-01), Courbon
Analytical Chemistry, vol. 48, No. 2, Oct. 1977 (Columbus, US) R. G. Lewis et al., "Evaluation of Polyurethane . . . ", pp. 1668-1672* p. 1668, colonne de droite, lines 23-27, FIG. 1*.
Ann. Occup. Hyg., vol. 24, No. 2, 1981 (Great Britain) Gibson, A. et al., "The Penetration of Dust . . . ", pp. 205-215.

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